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Structural engineer in the province of Noord-Holland

Structural calculations in Noord-Holland: find your municipality, explore population and soil data, and prepare your load-bearing wall alteration, extension or foundations.

Your building project

Planning changes to a property in Noord-Holland?

Request structural calculations for your project. Choose the work you are planning or tell us what you want to change.

What you can send us

  • The address of your project.
  • A short description of your plans.
  • Any drawings and photos you already have.

No drawings yet? You can still get in touch. We will discuss the information needed for your calculations.

From apartments to detached houses

Housing profiles differ between municipalities in Noord-Holland. Local figures show the proportions of single-family homes and dwellings in multi-unit buildings. Shared floors and walls may matter when preparing an apartment alteration; extending a detached house raises different questions about connections to the existing structure. Select your municipality below for its local profile, associated settlements and the structural calculation suited to your project.

Noord-Holland in figures
CharacteristicNumberReference date or period
Provincial population2,992,0161 January 2025
Municipalities442026 classification
Officially registered settlements2381 January 2026
Homes1,420,0681 January 2025
Newly built homes added13,9692025
All renovationsNot available in these sourcesNo estimate

CBS — population (1 January 2025) · CBS — housing stock and dwelling types (2025) · CBS — officially registered settlements (1 January 2026)

Soil and ground types

Within the boundaries of Noord-Holland, map unit pMn85A covers the largest measured area of soil polygons in this analysis: 12,062 hectares, or 5.5% of the mapped area.

Original Dutch source name:

Kalkrijke leek-/woudeerdgronden; klei, profielverloop 5

Soil map 2025 — intersection with the area boundary
Map codeDutch soil classification: first unitArea (ha)Share of mapped area
pMn85AKalkrijke leek-/woudeerdgronden; klei, profielverloop 512,0625.5%
pMn55AKalkrijke leek-/woudeerdgronden; zavel, profielverloop 58,7684.0%
Mn15AKalkrijke poldervaaggronden; lichte zavel, profielverloop 58,5443.9%
Mn25AKalkrijke poldervaaggronden; zware zavel, profielverloop 58,0283.7%
pMn85CKalkarme leek-/woudeerdgronden; klei, profielverloop 57,6003.5%
Other unitsOther mapped soil polygons174,38579.5%

The shares are calculated within the soil polygons on the map, not across all land or all building addresses. For compound map codes, the name of the first unit is shown. The map describes shallow soil; built-up areas are not fully mapped. It does not establish bearing capacity or determine whether piles, pad footings or strip foundations should be used.

Explore subsurface data in BROloket · How the soil map can be used · Method and sources for these area profiles

Read about foundation investigations · Pad footing, pile or strip foundation?

How much renovation takes place?

The CBS tables used here do not provide a complete local renovation count for Noord-Holland. We therefore do not estimate this from population, new homes or a national percentage. These sources also do not establish which type of renovation is most common.

See the available building figures and what they mean

Municipalities and settlements

44 municipalities

Municipalities, settlements and structural engineering services
Municipality and settlementsProvinceMunicipal population (2025)Your building project
Aalsmeer
2 settlements
Noord-Holland33,250Choose the appropriate calculation
Alkmaar
17 settlements
Noord-Holland112,896Choose the appropriate calculation
Amstelveen
1 settlements
Noord-Holland95,822Choose the appropriate calculation
Amsterdam
2 settlements
Noord-Holland934,526Choose the appropriate calculation
Bergen (NH)
7 settlements
Noord-Holland29,722Choose the appropriate calculation
Beverwijk
2 settlements
Noord-Holland43,040Choose the appropriate calculation
Blaricum
1 settlements
Noord-Holland12,947Choose the appropriate calculation
Bloemendaal
5 settlements
Noord-Holland23,592Choose the appropriate calculation
Castricum
4 settlements
Noord-Holland36,618Choose the appropriate calculation
Den Helder
3 settlements
Noord-Holland56,662Choose the appropriate calculation
Diemen
1 settlements
Noord-Holland33,228Choose the appropriate calculation
Dijk en Waard
7 settlements
Noord-Holland90,747Choose the appropriate calculation
Drechterland
8 settlements
Noord-Holland20,476Choose the appropriate calculation
Edam-Volendam
10 settlements
Noord-Holland37,140Choose the appropriate calculation
Enkhuizen
1 settlements
Noord-Holland18,847Choose the appropriate calculation
Gooise Meren
4 settlements
Noord-Holland61,003Choose the appropriate calculation
Haarlem
2 settlements
Noord-Holland168,743Choose the appropriate calculation
Haarlemmermeer
25 settlements
Noord-Holland165,255Choose the appropriate calculation
Heemskerk
1 settlements
Noord-Holland39,380Choose the appropriate calculation
Heemstede
1 settlements
Noord-Holland27,638Choose the appropriate calculation
Heiloo
1 settlements
Noord-Holland24,341Choose the appropriate calculation
Hilversum
1 settlements
Noord-Holland94,393Choose the appropriate calculation
Hollands Kroon
19 settlements
Noord-Holland49,982Choose the appropriate calculation
Hoorn
3 settlements
Noord-Holland76,036Choose the appropriate calculation
Huizen
1 settlements
Noord-Holland41,196Choose the appropriate calculation
Koggenland
10 settlements
Noord-Holland23,821Choose the appropriate calculation
Landsmeer
3 settlements
Noord-Holland11,745Choose the appropriate calculation
Laren
1 settlements
Noord-Holland11,474Choose the appropriate calculation
Medemblik
16 settlements
Noord-Holland45,934Choose the appropriate calculation
Oostzaan
1 settlements
Noord-Holland9,733Choose the appropriate calculation
Opmeer
5 settlements
Noord-Holland12,491Choose the appropriate calculation
Ouder-Amstel
3 settlements
Noord-Holland14,532Choose the appropriate calculation
Purmerend
5 settlements
Noord-Holland95,912Choose the appropriate calculation
Schagen
15 settlements
Noord-Holland48,378Choose the appropriate calculation
Stede Broec
3 settlements
Noord-Holland22,253Choose the appropriate calculation
Texel
7 settlements
Noord-Holland13,846Choose the appropriate calculation
Uitgeest
1 settlements
Noord-Holland13,427Choose the appropriate calculation
Uithoorn
2 settlements
Noord-Holland32,115Choose the appropriate calculation
Velsen
7 settlements
Noord-Holland70,026Choose the appropriate calculation
Waterland
9 settlements
Noord-Holland17,556Choose the appropriate calculation
Wijdemeren
6 settlements
Noord-Holland24,670Choose the appropriate calculation
Wormerland
5 settlements
Noord-Holland16,421Choose the appropriate calculation
Zaanstad
8 settlements
Noord-Holland162,828Choose the appropriate calculation
Zandvoort
2 settlements
Noord-Holland17,374Choose the appropriate calculation

What are your construction plans?

Tell us what you want to change. Then we look at what calculation is needed.

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