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Bouwbedrijf R. Vlieland

A house extension: more space that suits your home

If you want a house extension built, what you are really after is more space that feels as if it was always there.

  • One fixed contact, from idea to completion
  • Drawings, permit and construction
  • Large network of skilled tradespeople
Google-rating: 5.0 from 5 reviews★★★★★
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The bare flat roof before the work in Amsterdam The same roof after completion: roof extension with a timber roof terrace BeforeAfter
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Extensions

If you want a house extension built, what you are really after is more space that feels as if it was always there. Bouwbedrijf R. Vlieland builds complete home extensions, from design and foundations to brickwork, window and door frames and all the finishing. The result is a modern, well insulated extension that connects to your existing home, for example for a larger living room or a spacious kitchen-diner.

With us, the same project manager runs the whole process. You discuss your wishes with him, he coordinates the specialists from our network and he is there with you at handover. If you would first like to know roughly what to expect financially, read what an extension roughly costs and then ask us for a tailored quote.

What we take care of

  • Design, drawings and permit application
  • Foundations, floor and brickwork
  • Frames, sliding doors or roof lantern
  • Insulation of floor, walls and roof
  • Finishing and connection to the house
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Extensions, Bouwbedrijf R. Vlieland

What is involved in having a house extension built?

An extension does not start with bricks, but with a plan. Together with you, we look at the layout, the daylight and the connection to the rear wall. Then come the drawings and, if needed, the permit application. Only when everything is right on paper does work start on site. That thinking often takes a few months, but it prevents surprises during construction.

  • A conversation about wishes, layout and budget
  • Drawings and any permit application
  • Foundations, floor, brickwork and roof
  • Frames, insulation and interior finishing

Foundations and floor: the part you will never see again

The foundations carry the whole extension and have to work together with the foundations of your house. In large parts of Noord-Holland the soil consists of clay and peat. There, an extension on piles is usually the safe choice, so that the new and the existing walls do not settle relative to each other. What your situation needs is explained in the foundations of an extension.

The extension to a terraced house in Zaandam shows this stage clearly: a poured concrete floor against the existing rear wall, the French doors already in place and the insulation boards ready for the next step.

Daylight in the extension: sliding doors and roof lantern

An extension makes a house deeper, and that can make the existing room behind it darker. That is why we think about daylight from the start. Wide sliding doors bring the garden inside, while a roof lantern brings light into the middle of the room. A combination often works best. Read more about an extension with a roof lantern.

If the old rear wall disappears, a steel beam usually takes the load of the structure above. A structural engineer determines the size.

Can you build an extension without a permit?

Since 1 January 2024 the Environment and Planning Act (Omgevingswet) applies. A rear extension can often be built without a permit, but that depends on factors such as its position on the plot, its size and your municipality's environment plan. So always check via the Omgevingsloket or with the municipality. We set out the rules in an extension without a permit.

If an environmental permit (omgevingsvergunning) is needed, we can take care of the drawings and the application. Even without a permit, the technical requirements of the Buildings Decree (Besluit bouwwerken leefomgeving) apply.

An extension that is and stays sustainable

A well insulated extension feels warm in winter and stays cooler in summer. Wherever possible we work with high quality insulation materials. A good extension also usually adds to the value of your home.

  • Insulation of floor, walls and roof
  • Frames with insulating glass
  • Airtight connection to the existing wall
  • Ventilation suited to a well insulated room
Good to know

What to look out for with an extension

Projects from practice

Also see these services

Renovation: Bouwbedrijf R. Vlieland

Renovation

  • Houses and flats
  • New bathroom
  • Insulation and frames
  • Matched to your budget
Reviews

What our customers say

C Cora Tink van Leeuwen 1 day ago
★★★★★

"Wij zijn heel tevreden over het vervangen van de kozijnen (ramen en deur) op ons dakterras. Richard werkt netjes, is vakkundig en komt zijn afspraken na. Je merkt dat hij zijn werk met zorg uitvoert. Al bij het opnemen van het werk dacht hij mee en kwam hij met goed advies. Het resultaat is echt mooi geworden en we zijn er dan ook heel blij mee. Zeker een aanrader!"

B Bettine Sloots 3 months ago
★★★★★

"Waar Richard een aantal jaar geleden onze zolder naar twee volwaardige kamers heeft omgebouwd, waren we heel blij dat hij ons ook heeft kunnen helpen met een garage aanbouw. Niet voor niets dat we hem al twee keer hebben benaderd. Richard is een vakman, denkt mee in de mogelijkheden en de communicatie is top."

E Eric Lemckert 3 months ago
★★★★★

"Richard heeft me onwijs goed geholpen aan wat verbouwingen op mijn kantoor. Plaatsen van een geïsoleerde deur in kozijn en plaatsen van een op maat keukenblok. Raad hem iedereen aan!"

L Lisa Peterzon 2 months ago
★★★★★

"Ik kan niet anders zeggen dan dat we super tevreden zijn! Richard levert ontzettend netjes werk af en neemt daarbij alle zorgen weg."

A ABP van Doesburg 3 months ago
★★★★★

"Offerte snel gemaakt. En de reparatie vakkundig uitgevoerd. Een vakman gericht op service. Dit kom je nog maar weinig tegen."

B Berend, Amsterdam Werkspot, 28 Nov 2016
★★★★★

"Richard heeft bij ons een vliering op zolder gemaakt. Deze vliering is inclusief muur, deur, trap, stopcontacten en schakelaars. (...) Tijdens het gehele traject van ons nieuwbouwhuis hebben wij veel werklui over de vloer gehad en Richard hoorde duidelijk tot de groep die je kunt vertrouwen en het graag netjes wil uitvoeren."

B Bettine, Heerhugowaard Werkspot, 9 Mar 2016
★★★★★

"Kwaliteit en vakmanschap staat voorop bij Richard. Wat zijn we blij met het resultaat en alles tot in de puntjes verzorgd. Een aanrader deze man!"

R Robin, Amsterdam Werkspot, 8 Feb 2016
★★★★★

"Richard heeft in mijn nieuwbouwwoning diverse werkzaamheden uitgevoerd (...) Zeer blij met het eindresultaat, Richard en zijn collega die 1 dag heeft meegeholpen zijn echte vakmannen die tot op de millimeter nauwkeurig werken. Een voorbeeld voor de rest!"

K Koert Koster Werkspot, 9 Nov 2015
★★★★★

"Wij wilden de bovenverdieping geheel laten renoveren,dus kwamen wij in contact met Richard Vlieland. (...) Richard heeft dit naar volle tevredenheid gerealiseerd. Richard werkt precies en netjes en is in onze optiek een prima vakman. Dus naar onze mening is hij zeer zeker een aanrader."

Google-rating: 5.0 from 5 reviews★★★★★ Werkspot-rating: 4.8 from 4 reviews Genuine reviews of Bouwbedrijf R. Vlieland on Google and Werkspot, shown in the original Dutch. View all reviews on Google Write a review View all reviews on Werkspot
Clear answers

Frequently asked questions

Answers to the most common questions about extensions.

How long does it take to have an extension built?

That depends on the size, the foundations and whether a permit is needed. Allow a few months of preparation for design, drawings and any permit. The construction itself then usually takes a few weeks.

What does an extension cost?

The price depends on the size, the foundations, the roof, the frames and the finishing. Every extension is bespoke. You will find a rough market indication per square metre in extension costs per m². For your situation, we prepare a tailored quote.

Can you also arrange the design and the permit?

Yes. If you wish, we provide a complete package, from the drawings and permits to the construction. You then do not have to coordinate anything yourself.

Can I stay at home during construction?

Usually, yes. Most of the work takes place outside the existing house. Only when the rear wall is opened up will you notice more of the work indoors. We agree that moment with you in advance.

What is the difference between an aanbouw and an uitbouw?

In Dutch the two words are used interchangeably. An uitbouw usually enlarges an existing room, such as the living room. An aanbouw can also be a separate room, such as a utility room.

Do you also work outside Zwaag?

Yes. We work throughout West-Friesland and the rest of Noord-Holland, from Hoorn to Zaandam. For a special project we will also look further afield.

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Plans for your home?

Call or message Richard Vlieland on +31 6 11 78 63 20, or request a free quote. We are happy to come and have a look.

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