Apartment for sale · Mamer
Spacieux penthouse-duplex 4 chambres avec grande terrasse et jardin commun à Mamer
· Show the English translation
Spacious 4-bedroom penthouse duplex with large terrace and communal garden in Mamer
€1,395,000
€7,756 Per m²
-24% vs market47 days on ChatHome · no price change
Listed by Agence Immobilière Hélène Grober · primary source
Cost · market · energy · evidence
Should you keep reading?
Source checked · 30 Sept 2026
Part of the agency's page could not be read, so some facts may be missing rather than absent.
In one line · ChatHome summary, not the agency's words
4-bedroom apartment for sale in Mamer, 179.9 m². About 7 min on foot to the nearest bus or tram stop and 7 min to the nearest train station, measured from the address.
Recorded facts · source evidence
What we know, and who says so
- 4Bedrooms
- 2Bathrooms
- 179.9 m²Living area
- Not statedRooms
- ApartmentProperty type
- E · EEnergy · thermal class
- GasHeating
- Not statedLift
- YesParking
- Not statedOrientation
Property passport — who established each line
4 of 5 core facts linked to the source
- Property type
- Apartment
- Price
- €1,395,000
- Living area
- 179.9 m²
- Rooms
- Not stated
- Bedrooms
- 4
- Bathrooms
- 2
- Listing type
- For sale
- Location
- Mamer
- Construction state
- Not stated
All facts · Property scope: LU · Mamer
Energy certificate
- Certificate scheme
- Not stated
- Certificate type
- Not stated
- Certificate scope
- Not stated
- Certificate status
- Not stated
- Heating carrier
- Not stated
- Assessment visit date
- Not stated
- Issue date
- Not stated
- Expiry date
- Not stated
- Assessment method version
- Not stated
- Estimated annual energy cost, minimum
- Not stated
- Estimated annual energy cost, maximum
- Not stated
- Energy price reference years
- Not stated
- Energy cost assumptions
- Not stated
- CPE · énergie primaire
- ESource: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- CPE · isolation thermique
- ESource: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- CPE · CO₂
- DSource: Agence Immobilière Hélène Grober · as of Sep 30, 2026
Sale price and terms
- Advertised asking price
- €1,395,000Source: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- Buyer-facing asking price
- €1,395,000Source: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- Net seller price
- Not stated
- Agency fee
- Not stated
- Agency fee rate
- Not stated
- Agency fee payer
- Not stated
- Agency fee included
- Not stated
- Price basis
- Asking priceSource: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- Full cash price known
- Not confirmed by the source
- Sale arrangement
- Full ownership
Rent and recurring costs
- Pets policy (source)
- Not stated
Ownership and co-ownership
- Co-ownership status
- Not stated
- Number of lots
- Not stated
- Owner’s ordinary recurring cost
- Not stated
- House money
- Not stated
- Reserve fund
- Not stated
- Planned works
- Not stated
- Special assessment
- Not stated
- Arrears
- Not stated
- Proceeding status
- Not stated
- Property manager (source)
- Not stated
- Ownership share
- Not stated
Property features
- Offer type
- For saleSource: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- Property type
- ApartmentSource: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- Property type (source)
- Sources disagreeSource: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- Furnishing
- Not stated
- Construction status
- Not stated
- Ownership right (source)
- Not stated
- Occupancy
- Not stated
- Living area
- 179.86 m²Source: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- Living area · Area measurement standard
- Source-declared area (Luxembourg)Source: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- Native typology
- Not stated
- Main rooms
- Not stated
- Total rooms
- Not stated
- Bedrooms
- 4Source: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- Bathrooms
- 2Source: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- Available from
- Not stated
- Year built
- Not stated
- Condition (source)
- Not confirmed by the source
- Floor
- 2Source: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- Building floors
- Not stated
- Lift
- Not stated
- Step-free access
- Not stated
- Wheelchair access
- Not stated
- Heating system (source)
- gasSource: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- Heating supply
- Not stated
- Heating energy
- gasSource: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- Air conditioning
- Not stated
- Floor plan
- Not stated
- Renovation year
- Not stated
- Views (source)
- Not stated
- Architectural style (source)
- Not stated
- Interior features (source)
- Not stated
- Exterior features (source)
- Not stated
- Parking spaces
- 1Source: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- Parking type (source)
- Not confirmed by the source
- Parking
- Yes
- Garage
- Yes
- Indoor parking
- Not stated
- Balcony
- Not confirmed by the source
- Balcony view
- Not stated
- Terrace
- Not confirmed by the source
- Private garden
- Not stated
- Shared garden
- Not confirmed by the source
- Private outdoor area
- 35 m²Source: Agence Immobilière Hélène Grober · as of Sep 30, 2026
- Cellar
- Yes
- Storage space
- Not stated
- Open kitchen
- Not confirmed by the source
- Glazing
- Not confirmed by the source
- Video intercom
- Not stated
- Bike storage
- Not stated
- EV charging
- Not stated
- Smart home
- Not stated
- Fitted kitchen
- Not stated
- Laundry room
- Not confirmed by the source
- Fireplace
- Not stated
- Swimming pool
- Not stated
- Solar panels
- Not stated
- Heat pump
- Not stated
- South-facing
- Not stated
- Bathtub
- Not stated
- Separate WC
- Not confirmed by the source
- Concierge
- Not stated
Description · highlights · what our AI sees
How the agency describes it
Idéalement situé au 5, rue Op Bierg à Mamer, dans un quartier résidentiel calme et recherché, ce spacieux penthouse-duplex séduit par son excellente localisation, ses volumes généreux et ses nombreux espaces extérieurs. Situé dans une rue calme en impasse, il bénéficie d’un environnement paisible ainsi que d’une belle vue dégagée sur les environs. Sa situation est particulièrement attractive pour les familles, grâce à la proximité des écoles et infrastructures scolaires de Mamer, ainsi que des commerces, transports en commun et principaux axes routiers. Situé aux 2e et 3e étages d’une petite résidence de seulement deux unités, le duplex offre une distribution spacieuse et fonctionnelle. La pièce de vie constitue le cœur du logement : d’une superficie d’environ 58 m², elle réunit le séjour et la cuisine dans un vaste espace ouvert, lumineux et convivial, agrémenté d’un plafond cathédrale et de poutres apparentes. Elle donne accès à une grande terrasse d’environ 35 m², l’un des principaux atouts du bien, idéale pour les repas en extérieur et les moments de détente, tout en profitant d’une magnifique vue dégagée. La terrasse a été entièrement rénovée en 2025. Le duplex comprend quatre chambres, dont une spacieuse chambre parentale d’environ 25 m² avec salle de bains privative, ainsi que trois autres chambres de 13 m², 13 m² et 8,3 m². Une seconde salle de douche et un WC séparé complètent l’ensemble. Un espace buanderie est également aménagé au sein du duplex. Deux balcons offrent des espaces extérieurs supplémentaires. Les occupants bénéficient également d’un agréable jardin commun, partagé avec l’autre appartement de la résidence – un atout particulièrement appréciable pour les familles avec enfants. Un grand garage privatif, une cave ainsi qu’un emplacement de parking extérieur complètent le bien. Des possibilités supplémentaires de stationnement résidentiel dans la rue sont également disponibles. Le bien a été régulièrement entretenu et a bénéficié de plusieurs améliorations, notamment la rénovation de la cuisine et des salles de bains ainsi que le remplacement d’environ 75 % des fenêtres par du triple vitrage en 2025. Avec ses quatre chambres, ses généreux espaces de vie, sa grande terrasse avec vue dégagée, son jardin commun et sa situation paisible dans une rue en impasse, ce duplex constitue une solution particulièrement attractive pour une famille souhaitant conjuguer espace, tranquillité, proximité des écoles et excellente localisation à Mamer. CPE : E/E Disponibilité : à convenir Les frais d’agence sont à charge de la partie venderesse.
Ideally located at 5, rue Op Bierg in Mamer, in a quiet and sought-after residential area, this spacious penthouse duplex impresses with its excellent location, generous volumes, and numerous outdoor spaces. Situated on a quiet cul-de-sac, it enjoys a peaceful environment as well as a beautiful unobstructed view of the surroundings. Its location is particularly attractive for families, thanks to the proximity of schools and educational facilities in Mamer, as well as shops, public transport, and main roads. Located on the 2nd and 3rd floors of a small residence of only two units, the duplex offers a spacious and functional layout. The living area is the heart of the home: with an area of approximately 58 m², it combines the living room and kitchen in a vast open, bright, and convivial space, enhanced by a cathedral ceiling and exposed beams. It opens onto a large terrace of approximately 35 m², one of the property's main assets, ideal for outdoor meals and relaxation, while enjoying a magnificent unobstructed view. The terrace was completely renovated in 2025. The duplex comprises four bedrooms, including a spacious master bedroom of approximately 25 m² with en-suite bathroom, as well as three other bedrooms of 13 m², 13 m², and 8.3 m². A second shower room and a separate WC complete the ensemble. A laundry area is also arranged within the duplex. Two balconies provide additional outdoor spaces. Residents also benefit from a pleasant communal garden, shared with the other apartment in the residence – a particularly valuable asset for families with children. A large private garage, a cellar, and an outdoor parking space complete the property. Additional residential street parking possibilities are also available. The property has been regularly maintained and has benefited from several improvements.
Highlights, each with its source
Stated by the agency on its listing page · 3
- Garage
- Parking
- Cellar
Published public-transport timetables · measured from the address · 2
- Nearest bus or tram stopabout 7 min on foot
- Nearest train stationabout 7 min on foot
Official school registers and OpenStreetMap · measured from the address · 1
- Nearest schoolÉcole Européenne Luxembourg II Mamer, about 810 m
Official flood maps · measured from the address · 1
- Flood zoneNone mapped
What our AI sees
Observations from photos, not confirmed property facts. Check with the advertiser.
- Large windows
- Terrace
- Exposed beams
- Fitted kitchen
- High ceiling
- Good condition
Some photos have not been checked.
Photo assessment: Sep 30, 2026
- Condition
- Not checked yet
- Renovation
- No major work indicatedCalculated from the facts above · as of 30 Sept 2026
Steps · timeline · costs along the way
From contact to keys
Buying
Typical planning ranges from the official procedure — not a promise; tap a step for who does what.
Fair price · evolution · history
Is this the right price?
Price check: In line with the checks we can run
Asking price
€1,395,000
Per m²
€7,756
€1,395,000 ÷ 179.86 m²
Where it sits against our estimate
Within our estimated rangeEstimated by our model · as of 30 Sept 2026
- Against the market
- -24%
- Price last reduced
- Not checked yet
Price evolution — Mamer
Price history
No price change recorded since it was first seen
- First seen · 14 Aug 2026€1,395,000
- Last checked · 30 Sept 2026€1,395,000
Listing history
- First seen · immo-grober.lu · 14 Aug 2026
- Source checked · 30 Sept 2026
Net worth over time · your assumptions
Should you buy or rent here?
Buy vs Rent Simulation
Should you buy or rent in Mamer?
Your scenario
Example only — review the assumptions below and calculate with your own figures before using the result.
Example only — review the assumptions below and calculate with your own figures before using the result.
Projected net worth by year
Compares estimated owner and renter net worth after equalising monthly cash flow and investing the cheaper option's savings.
Yield · cash flow · comparison
What if you rent it out?
Investor Playbook
EstimatedPressure-test this deal with financing, ownership costs, exit assumptions, and an ETF benchmark before you move.
3.3%
-€2,083
€980,836
€4,069/mo
Monthly cash flow (Investors)
Hover a flow to see the amount and its share of rent
Monthly costs · upfront cash · assumptions
What will it cost you each month?
Monthly Cost Calculator
Mortgage, closing costs, utilities, insurance, and recurring ownership costs.
- To move in
- €97,650Calculated from the facts above · as of 30 Sept 2026
Class · running cost · subsidies
What will it cost to heat?
Energy class E · Thermal class E
Heating: Gas
- Energy class
- E
- Thermal class
- E
- Heating
- Gas
Estimated Energy Costs
Based on energy class, surface area, and Luxembourg rates
EUR 372/month
Some tariff inputs still use Luxembourg fallback assumptions.
Household electricity scenario: 4 bedrooms; 179.86 m². Not a measured bill.
Parcel · zoning · constraints · checks
The land it sits on
True when the rules were last read — no register of rule changes is published
This plot
Cadastral parcel, what the zoning allows, and what constrains it.
Parcel & zone
- Assessed parcel
- mamer-B-1359/6272
- Parcel area
- 704 m²· map-measured
- PAG zone
- HAB_1022_PE_HAB_1
Biggest blocker: Deferred-development zone
Existing and indicative capacity
- FootprintExisting 124 m² · Indicative maximum not established
- Gross floor areaIndicative maximum not established
- Full storeysIndicative maximum not established
- DwellingsIndicative maximum not established
What could change?
- Build moreNot established
- Add full floorsNot established
- Second house on the parcelNot established
- Commercial useNot established
- Additional dwellingsNot established
- Divide the parcelNot established
- Demolish and rebuild largerNot established
? = the planning rule could not be established from official sources
The full planning record
Planning and property potential
Overview
Recorded · Assessed parcel: mamer-B-1359/6272 · 704 m²
Official map: Official zone map only; no written rule has been resolved.
Biggest blocker: Deferred-development zone
- Build more
- Not established
- Add full floors
- Not established
- Second house on the parcel
- Not established
Historical assessment. Current rules and permission have not been verified.
The arithmetic remainder is not space you can build. Setbacks, shape, constraints and permission still apply.
The parcel area was measured from map geometry and remains indicative.
This unit listing does not show that the buyer controls the building’s entire parcel.
What could change?
Build moreNot established — The applicable planning rule could not be established from the available sources.
The applicable planning rule could not be established from the available sources.
Evidence: Not established · Not established
What to check with the commune
Next step: verify the project and current rules with the commune or a qualified planning professional.
Add full floorsNot established — The applicable planning rule could not be established from the available sources.
The applicable planning rule could not be established from the available sources.
Evidence: Not established · Not established
What to check with the commune
Next step: verify the project and current rules with the commune or a qualified planning professional.
Second house on the parcelNot established — The applicable planning rule could not be established from the available sources.
The applicable planning rule could not be established from the available sources.
Evidence: Not established · Not established
What to check with the commune
Next step: verify the project and current rules with the commune or a qualified planning professional.
Commercial useNot established — Permitted uses are unavailable.
Permitted uses are unavailable.
Evidence: Not established · Not established
What to check with the commune
Next step: verify the project and current rules with the commune or a qualified planning professional.
Additional dwellingsNot established — The applicable planning rule could not be established from the available sources.
The applicable planning rule could not be established from the available sources.
Evidence: Not established · Not established
What to check with the commune
Next step: verify the project and current rules with the commune or a qualified planning professional.
Divide the parcelNot established — Parcel division rules are unavailable.
Parcel division rules are unavailable.
Evidence: Not established · Not established
What to check with the commune
Next step: verify the project and current rules with the commune or a qualified planning professional.
Demolish and rebuild largerNot established — The applicable planning rule could not be established from the available sources.
The applicable planning rule could not be established from the available sources.
Evidence: Not established · Not established
What to check with the commune
Next step: verify the project and current rules with the commune or a qualified planning professional.
Existing and indicative capacity
- Footprint
- Existing124 m²Indicative maximum · EstimateUnavailableArithmetic remainderUnavailable
Calculation basis
Parcel area measured from map geometry · 704 m²
HAB_1 · 022_PE_HAB_1
Setbacks, parcel shape, legal access, neighbouring rights and permission may still reduce what is possible.
Constraints and evidence
Deferred-development zone · Not present
New-quarter PAP · Not present
Planning servitude · Not present
Protected building or heritage · Not present
Nature protection · Not present
Water protection · Not present
Flood risk · Not present
Noise constraint · Not present
Reserved road or path corridor · Not present
No material constraint was recorded in the completed stored check.
- Parcel identity: ACT — Parcelles cadastrales (geoportail.lu)
- Zoning: data.public.lu — PAG
- Development limits: data.public.lu — PAG
- Existing building: geoportail.lu — bâtiments (2214)
- Constraints: geoportail.lu — PAG overlays
Explore adjoining land
Adjoining parcels have not been checked.
Property checks
Checked against official Luxembourg maps; unmapped stays unknown
Commute · transit · neighbourhood · local context
What is around it?
Commute to Work
Estimated travel time to Luxembourg's main employment hubs
Check another destination
Nearest, on foot
- Nearest crèche
- 9 min
- Nearest bus or tram stop15 departures an hour on weekday mornings
- 7 min
- Nearest park
- 5 min
- Nearest school
- 10 min
- Nearest train station
- 7 min
To the main job hubs · morning rush
Luxembourg City · walk 98 min
Kirchberg
Belval / Esch
All recorded routes
Recorded commute estimates
Recorded . Travel times may vary.
- To Kirchberg · Driving · Peak · Public property location28–29 min
- To Luxembourg · Driving · Peak · Public property location28–29 min
- To Belval · Driving · Peak · Public property location27–28 min
- To Kirchberg · Public transport · Peak · Public property location50–57 min
- To Luxembourg · Public transport · Peak · Public property location45–49 min
- To Belval · Public transport · Peak · Public property location79–89 min
Only supported public routes are shown.
All recorded routes
- To Kirchberg · Driving · Off-peak · Public property location25–26 min
- To Luxembourg · Driving · Off-peak · Public property location22–23 min
- To Belval · Driving · Off-peak · Public property location24–25 min
- To Kirchberg · Driving · Peak · Public property location28–29 min
- To Luxembourg · Driving · Peak · Public property location28–29 min
- To Belval · Driving · Peak · Public property location27–28 min
- From Kirchberg · Driving · Off-peak · Public property location23–24 min
- From Luxembourg · Driving · Off-peak · Public property location19–20 min
- From Belval · Driving · Off-peak · Public property location25–26 min
- From Kirchberg · Driving · Peak · Public property location27–28 min
- From Luxembourg · Driving · Peak · Public property location22–23 min
- From Belval · Driving · Peak · Public property location27–28 min
- To Kirchberg · Public transport · Peak · Public property location50–57 min
- To Luxembourg · Public transport · Peak · Public property location45–49 min
- To Belval · Public transport · Peak · Public property location79–89 min
- From Kirchberg · Public transport · Peak · Public property location56–59 min
- From Luxembourg · Public transport · Peak · Public property location48–50 min
- From Belval · Public transport · Peak · Public property location78–85 min
- To Luxembourg · Walking · Off-peak · Public property location97–98 min
- To Kirchberg · Cycling · Off-peak · Public property location42–43 min
- To Luxembourg · Cycling · Off-peak · Public property location32–33 min
- To Belval · Cycling · Off-peak · Public property location67–68 min
- To Kirchberg · Public transport · Off-peak · Public property location49–52 min
- To Luxembourg · Public transport · Off-peak · Public property location46–50 min
- To Belval · Public transport · Off-peak · Public property location80–83 min
- From Kirchberg · Public transport · Off-peak · Public property location54–60 min
- From Luxembourg · Public transport · Off-peak · Public property location45–48 min
- From Belval · Public transport · Off-peak · Public property location77–88 min
property-location-commute-v2.5
What is nearby — counted within the search radius, not rated
- Pharmacy1
- Restaurants5
- Cafés2
- Nightlife1
- Gym3
- Swimming pool1
- Playground16
- Schools3· 10 min walk
- Crèche3· 9 min walk
- Park1· 5 min walk
- SupermarketNone within 1000 m
- HospitalNone within 1000 m
- TennisNone within 1000 m
Noise and air
- None mappedRoad noise
- None mappedRail noise
- None mappedAircraft noise
- Not checked yetAir quality
- Not checked yetTraffic exposure
- None mappedFlood zone
15-minute amenity access
Everyday destinations reachable on foot
How is this calculated?
The index weights both the mix and number of everyday destinations reachable within a 15-minute walk, with diminishing returns for additional choice.
ChatHome Amenity Access Index, computed from OpenStreetMap destinations and OpenRouteService travel-time zones. It is not the commercial Walk Score product.
Mamer in numbers
Questions
The obvious questions
Answered by ChatHome from the facts on this page. Answers about the area name the public data behind them. None of this is the agency's own wording.
How much does this apartment cost?
The agency's asking price is €1,395,000.
How many bedrooms does this property have?
It has 4 bedrooms.
How many bathrooms does this property have?
It has 2 bathrooms.
What is the size of this property?
The living area is 179.9 m².
What is the energy class?
The energy certificate gives class E.
Show all 12 questions
Where is this property located?
The property is in Mamer, Luxembourg.
What type of property is this?
This is an apartment.
Is this property for rent or for sale?
This property is for sale.
How far is the nearest bus or tram stop?
About 7 minutes on foot. Estimated at walking pace from the straight-line distance. Source: Published public-transport timetables. Measured from the address.
How far is the nearest train station?
About 7 minutes on foot. Estimated at walking pace from the straight-line distance. Source: Published public-transport timetables. Measured from the address.
Which school is nearest?
École Européenne Luxembourg II Mamer, about 810 m away. Source: Official school registers and OpenStreetMap. Measured from the address.
Is this location in a flood zone?
The official flood maps show no flood zone at the measured point. Measured from the address.
Similar homes · duplicates
Compare before you decide
Similar listings
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Contact
Who to speak to
Agence Immobilière Hélène Grober
Last checked · 30 Sept 2026
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About this data
Asking details as the agency published them, not a completed-sale value. Every figure carries a dot saying who established it.