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Reuse radar

Luxembourg City

One home in ten in Luxembourg City had nobody registered in it at the 2021 census — double the national rate — yet the City keeps no list of empty buildings and has never applied its tax on them. Its office market is tight, so the openings are public: priority housing zones the State and the City can buy into, City land given on long leases, and a parliament that asked the government in March 2026 for a strategy for housing co-operatives.
An empty building in Luxembourg City with homes, balconies and neighbours drawn onto it in ink
Vacant office space165,600 m²3.6% of the stock stands empty
Empty buildings on record730 confirmed
On the map931buildings and sites from 9 open sources
Homes potential≈ 391if 30% of empty offices converted

Office figures: JLL — about 4.6 million m² of offices in Luxembourg (stable), 3.6% empty at end-June 2026 against 3.9% at end-2025 (vacant area = stock × rate; the market covers the whole country, overwhelmingly the City). Homes: our economic model’s conversion engine. Map built 2026-10-09.

Luxembourg City city profileReuse atlas: all of Europe

The map

Every building a record says stands empty, one point per building: filter by type, size and how sure the evidence is, and open one to see who says so. “Opportunities” switches to the co-op lens: public land, conversion potential and projects already under way, every source as its own layer.

No register of empty buildings and no vacant-building tax in use: the City says it has no overview of empty homes, and the census count is for the whole commune only.

Loading map…

0 empty buildings · colour = type, dark ring = confirmed

Check any building in Luxembourg City: could it become homes, and could the EHC model work there?

Districts where conversion makes sense

Where empty offices, the right zoning and a working neighbourhood come together — and what could go wrong.

A hand outlining a neighbourhood on a city map, with small houses drawn inside

Hollerich and Gare

The Nei Hollerich quarter on the former Paul Wurth works and social-security headquarters is a priority housing zone, with 85 parcels the State and City may pre-empt; Gare has the most mapped office buildings and empty ground floors.

  • Framework agreement for Nei Hollerich signed on 13 December 2024
  • Priority housing zones of about 42 ha around the Porte de Hollerich

Risk: A private consortium leads Nei Hollerich, the affordable share goes to public bodies, and the City's Schluechthaus site is planned as a park, not homes.

2 sources

Kirchberg

State land run by the Fonds Kirchberg is let on long leases with capped prices; two priority housing zones (Kuebebierg 58 ha, Kennedy Sud about 10 ha); EU institutions are reshuffling their buildings.

  • Priority housing zones Kuebebierg and Kennedy Sud
  • Fonds Kirchberg lets plots on emphyteosis or surface right

Risk: Land goes by developer-architect calls, not to co-operatives by default, and office vacancy is not published by district.

2 sources

Gasperich and Cloche d'Or

The City's second office cluster: the European Commission plans to leave the 76,000 m² Drosbach complex once Jean Monnet 2 is delivered.

  • Jean Monnet 2 now expected in 2028

Risk: The move has slipped for years (Jean Monnet 2 was due in 2023, now 2028), the owner is not known, and the floor plates are deep.

2 sources

Belair, Rollingergrund and Limpertsberg

Wunnquartier Stade (10 ha, 83% City-owned, co-operatives under study) and the former Villeroy & Boch works (8.5 ha, up to 810 homes).

  • STADePARK won the Wunnquartier Stade competition in November 2021
  • Zoning for up to 810 homes on the Villeroy & Boch site (December 2021)

Risk: The Villeroy & Boch land is mostly private and the stadium quarter's timetable is not public.

2 sources

Owners and routes in

Who controls the space, and what a housing cooperative can actually do with them.

A door key on a doorstep with a drawn path leading to an open door
Public owner

Ville de Luxembourg

Owns 870 addresses and about 87 ha of buildable land; sells affordable homes on its land by long lease (emphyteosis), grants surface rights to non-profits and buys every affordable home created in new-quarter plans. It says it has no experience with housing co-operatives yet but is studying them for Nei Hollerich and Wunnquartier Stade — a door to knock on now.

1 source
City agency

Fonds Kirchberg (State fund)

Tenders Kirchberg plots on emphyteosis or surface right with capped sale prices; the co-operative Adhoc's project at Réimerwee is on its land.

1 source
Allocation rule

National housing plan — right of pre-emption

The State and the City may buy first when any of 287 listed parcels in the City is sold. A co-operative can only come in as partner or manager for the public buyer.

1 source

Signals to watch

Decisions, auctions and closures that change what becomes available, and when.

  1. 2026-07-16
    Parliament asks which State buildings stand empty

    Two written questions ask the government for the State's empty buildings and homes — how many, which, since when and at what cost — prompted by a reportedly empty tax-office building on the rue du Fort Wedell.

    2 sources
  2. 2026-07-16
    Office vacancy at 3.6%

    JLL: take-up halved in the first half of 2026; about 165,000 m² empty across Luxembourg's 4.6 million m².

    1 source
  3. 2026-03-17
    Parliament backs housing co-operatives

    A motion asking the government for a national strategy for housing co-operatives was adopted unanimously.

    2 sources
  4. 2026-01-27
    Office stock steady at 4.6 million m²

    JLL: vacancy 3.9% at end-2025, just under 180,000 m²; new deliveries offset by demolitions of obsolete buildings.

    1 source
  5. 2024-12-13
    Nei Hollerich agreement signed

    City, State and landowners agreed the framework for a new quarter of about 4,500 residents on the former Paul Wurth works.

    1 source
  6. 2021-11-08
    Census: one home in ten without residents

    6,189 of 61,920 dwellings in the City had nobody registered (10.0%, against 5.8% nationally) — second homes and homes between tenants included.

    1 source

Sources and freshness

19 sources connected. We only use data we may lawfully reuse; where a publisher blocks automated access we do not work around it — a person downloads it, or we ask for permission.

Show every source, its licence and when we last read it
SourceAccessRecordsStatusLicence
OpenStreetMap disused/abandoned tags and brownfields
OpenStreetMap contributors
Open API76Live
2026-10-09
ODbL 1.0 (© OpenStreetMap contributors)
Rail, S-Bahn and U-Bahn stations (OpenStreetMap)
OpenStreetMap contributors
Open APIscoringLive
2026-10-09
ODbL 1.0 (© OpenStreetMap contributors)
Building heights: GlobalBuildingAtlas (TU Munich)
Zhu, X. X., Chen, S., Zhang, F., Shi, Y., Wang, Y. (2025), Technical University of Munich
GlobalBuildingAtlas: an open global and complete dataset of building polygons, heights and LoD1 3D models. Earth System Science Data 17(12), 6647–6668, doi:10.5194/essd-17-6647-2025. Read from the Parquet copy on Source Cooperative. Satellite-derived heights (typically 1.5–3 m error in Europe), turned into storeys with storey heights fitted on Berlin; used only where no register or official 3D model sizes the building.
Open download33 buildings sizedLive
2026-10-09
CC BY-NC 4.0 (heights); footprints from OpenStreetMap and Microsoft: ODbL
Heights: national 3D building database 2023 (Luxembourg)
Administration du cadastre et de la topographie (ACT)
Base de données nationale des bâtiments 3D 2023 (LoD 2.2, version 2 of 17 Mar 2026). The building and its outline from the INSPIRE buildings WFS, its median roof height above the ground from the ACT 3D Tiles (3d.geoportail.lu), turned into storeys.
Open API153 buildings sizedLive
2026-10-09
CC0 1.0
Road noise (EU Environmental Noise Directive, Lden)
European Environment Agency
Open APIscoringLive
2026-10-09
EEA standard re-use policy (attribution)
Leerstandsmelder.de — public reports of empty buildings
Leerstandsmelder (Gängeviertel e.V., Hamburg)
Shown while we ask Leerstandsmelder for permission. Reports since 2016 only, with the address, the month reported and a link to each entry; not checked by EHC. Each point says when a report has since been marked demolished, lived in, in interim use or rebuilt on Leerstandsmelder, and the owner type the reporter gave (private owners are never named).
Asking for permission55Live
2026-10-09
Credited to Leerstandsmelder.de; asking for permission
Open-ended property funds: buildings they report partly empty
Open-ended real-estate funds (each point names its fund and report)
German and Austrian open-ended public property funds must list every property with its vacancy (or letting) rate in their annual and half-year reports. scripts/reuse/import-fund-reports.ts reads those lists; properties at 10 % vacancy or more are shown, those at 25 % or more count as evidence.
Open download0Live
2026-10-09
Published fund report (KAGB / KARBV property list), cited per point
Co-working spaces, department stores, banks, hotels and cinemas listed as permanently closed
Overture Maps Foundation (closure data: BrightQuery company records)
Places with operating_status "permanently_closed" in the monthly Overture release, read by scripts/reuse/import-overture-closures.ts and matched to the building they sit in. A closed business is usually one unit; names are shown only for companies, never for sole traders.
Open download0Live
2026-10-09
CDLA Permissive 2.0 (Overture Maps Foundation)
Land without current use and stalled construction, mapped from satellite imagery (Copernicus Urban Atlas 2006–2018)
European Environment Agency — Copernicus Land Monitoring Service
Urban Atlas class 13400 (brownfields, demolition sites and gaps in the built-up area, 0.25 ha and up) compared across the 2006, 2012 and 2018 editions, so each plot says how long it has stood unused; plus construction sites (13300) already under way in 2012, and 2012 construction sites left unused by 2018. Read from the EEA's open ArcGIS services, the same way in every radar city. The 2021 edition (Copernicus Data Space) drops plots built on since 2018 where scripts/reuse/import-urban-atlas-2021.ts has been run. Points are context, never evidence of vacancy.
Open API35Live
2026-10-09
Copernicus open data (© European Union, Copernicus Land Monitoring Service 2006–2021, EEA)
Stalled construction and buildings held by insolvent developers
EHC research (dated press and court sources per point)
Signa, Adler/Consus and other developer insolvencies since 2022 and stalled sites, each with its latest dated status (src/scripts/data/reuse/stalled-projects.json; news leads from scripts/reuse/mine-news.ts are reviewed before they join).
EHC research0Live
2026-10-09
Cited publisher per point
Church buildings the dioceses and regional churches plan to give up
Catholic dioceses and Protestant regional churches (their building plans), via EHC research
Buildings a church body’s published building plan or recent reporting names as to be given up, without church funding, for sale or lease, or profaned (src/scripts/data/reuse/church-plans.json and brussels-churches.json).
EHC research0Live
2026-10-09
Cited publisher per point
Named buildings and sites from EHC research (each with its own source)
European Housing Coop research
EHC research6Live
2026-10-09
Facts cited to their publishers
Year built and listing: OpenStreetMap building tags
OpenStreetMap contributors
start_date / construction_date and heritage / listed_status of the OpenStreetMap outline a record is matched to, where no register answers. Read with the outline match, not a separate query.
Open APIscoringLive
2026-10-09
ODbL 1.0 (© OpenStreetMap contributors)
Priority housing zones of the national housing plan (PSL)
Ministère du Logement / Administration du cadastre et de la topographie (geoportail.lu)
Open API7Live
2026-10-09
CC0
Parcels the State and the City may pre-empt for housing (PSL)
Ministère du Logement / Administration du cadastre et de la topographie (geoportail.lu)
Open API286Live
2026-10-09
CC0
New-quarter zones of the City's zoning plan (PAP « nouveau quartier »)
Ville de Luxembourg — Plan d'aménagement général (PAG), via Administration du cadastre et de la topographie (geoportail.lu)
Open API133Live
2026-10-09
CC0 (PAG data on data.public.lu / geoportail.lu)
Deferred-development zones of the City's zoning plan (ZAD)
Ville de Luxembourg — Plan d'aménagement général (PAG), via Administration du cadastre et de la topographie (geoportail.lu)
Open API14Used, not shown
2026-10-09
CC0 (PAG data on data.public.lu / geoportail.lu)
Office buildings mapped on OpenStreetMap
OpenStreetMap contributors (via overpass.openstreetmap.fr)
Open API315Live
2026-10-09
ODbL 1.0
Brownfield land mapped on OpenStreetMap
OpenStreetMap contributors (via overpass.openstreetmap.fr)
Open API18Live
2026-10-09
ODbL 1.0

What this radar cannot see yet

  • No register of empty buildings and no vacant-building tax in use: the City says it has no overview of empty homes, and the census count is for the whole commune only.
  • The national register of buildings and dwellings and the national tax on empty homes are still bills in committee, so nothing about empty homes is public by address.
  • The State's building records carry heights but not use, so office buildings come only from OpenStreetMap, which misses much of Kirchberg.
  • The zoning plan's new-quarter zones are now on the map (deferred-development zones are read for corroboration), but not the detailed zones (HAB-1/HAB-2/MIX) that say where homes are allowed inside built-up quarters.
  • Office vacancy is published for the whole country, not by district; the answers to two July 2026 parliamentary questions on empty State buildings and homes were not yet found online.
  • Leerstandsmelder reports are public reports, not checked by EHC; one counts as empty only while nothing since says otherwise.

Know an empty building we have missed?

Open data cannot see everything. Tell us about a building in Luxembourg City that stands empty or barely used; once we have checked it, it joins the map under “Reported by visitors (checked)”.

A phone held up to photograph an empty shopfront, with a map pin drawn above it

We publish the address, the kind of building and your description once we have checked it — never your email. Please do not name the people who own or live in a building.

Radars nearby

The nearest radars. All 134 cities in the atlas

The figure on each card: empty buildings on record.

Antwerp, Belgium305empty buildings on recordBonn, Germany141empty buildings on recordBrussels, Belgium59empty buildings on recordCologne, Germany374empty buildings on recordDuisburg, Germany141empty buildings on recordDüsseldorf, Germany46empty buildings on recordEindhoven, Netherlands3empty buildings on recordEssen, Germany224empty buildings on recordFrankfurt am Main, Germany208empty buildings on recordMannheim, Germany82empty buildings on recordStrasbourg, France26empty buildings on recordWuppertal, Germany224empty buildings on record