Land opportunities in Haarlem
Grondradar watches every parcel in Haarlem and speaks up the moment something moves that fits your development thesis: parcel splits, parcel mutations and new land supply for housing, same-day and filtered.
How Grondradar worksWhat Grondradar signals in Haarlem
Four kinds of movement, tracked continuously and matched to your filters. Steer it all with the chatbot.
Parcel splits & mergers
Often the first sign of a sale or development in Haarlem. Grondradar sees it, often already at the provisional boundary.
Parcel mutations
If something changes about a parcel in Haarlem (size, boundary or status), you'll know. Same-day data.
New parcels & plots
New land supply in and around Haarlem, bundled on one map, including supply that isn't public yet.
Zoning & plan changes
See where zoning and environment plans in Haarlem shift toward housing: the early signal behind a residential development site.
Haarlem in numbers
A current profile of the built environment and housing market in Haarlem, built from BAG, energy-label and market data.
Age of the building stock
Addressable objects in Haarlem by decade.
Energy labels
51% of objects in Haarlem have a registered energy label.
Building function mix
Buildings in Haarlem by primary function.
Housing market now
- 1,391 homes for sale€5,924/m² median
- 454 rentals available€2,250/mo median
Recent changes
Building and address changes in Haarlem, last 30 days.
Source: BAG, energy-label register (RVO) and live housing supply. Updated 2026-07-04.
About Haarlem
The built environment of Haarlem comprises 105,376 addressable objects. Most of it dates from around 1960; 60% was built before 1970. Of objects with an energy label, 34% hold label A or better — below the national median.
Haarlem has 1,824 national monuments. 1,391 homes are currently for sale with a median asking price of €5,924/m² — above the national median. For land acquisition and area development, Grondradar tracks parcels and zoning-plan changes in Haarlem daily.
Building land and development sites in Haarlem?
Grondradar bundles the land price per m², new land supply and zoning changes for housing in Haarlem, so you spot development sites before they hit the market. Based on public and commercial data sources.
See the land opportunities in Haarlem
Book a 30-minute demo. We'll set up Grondradar on Haarlem and show you live which parcels are already moving.