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Sound familiar? The kitchen feels too small the moment guests arrive, or the living room is missing that one spot to sit quietly with a view of the garden. An extension often solves that faster and cheaper than moving house — provided it's done well. A poor connection to the existing home, badly placed window frames or a structure that isn't quite right can still let a great idea down.

“We approach every extension as a continuation of your existing home, not as a separate box bolted on.”

We approach every extension as a continuation of your existing home, not as a separate box bolted on. That means: the same attention to daylight, the same quality of finishing, and a structure that's demonstrably sound. From a compact sunroom to a full extension with large glass fronts — we discuss exactly what happens, when, and at what price upfront, so you're never faced with surprises.

What's included

Extensions, well arranged.

  • Advice on layout, natural light and connection to your existing home
  • Foundation through to complete finishing
  • Large glass fronts and folding doors possible
  • Fixed price upfront, no surprises afterwards
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Calculate extension costs

What does an extension cost? Calculate it instantly.

From €20,000Compact extension
From €35,000Average extension
From €55,000Large extension with extras
Breakthrough to existing homeIncl. steel structure and finishing
Sliding doorsInstead of standard window frame
Folding doors
Skylight / roof light strip
Extra power outlets
Relocate radiators
Underfloor heating
Outdoor tap
Estimated price
€ 0
Fill in the dimensions for an estimate
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This is an indicative estimate based on average market prices, excl. VAT. No rights can be derived from this calculation. For an exact tailored price we always speak with you in person first.

Why customers choose us

VCA & CAR covered

Safe working practices and insured throughout the project.

38+ years of experience

Over 350 projects successfully completed in the region.

Fixed price upfront

No surprises afterwards — a clear quote, a clear schedule.

One point of contact

Short lines of communication, quick decisions, no confusion.

Approach

How we handle extensions

01

Site visit & advice

We assess the situation on site and think along about the best solution.

02

Design & quote

A concrete proposal with drawing, materials and a fixed price.

03

Execution

From foundation to roof, carried out by our dedicated crew.

04

Finishing & delivery

Finished sharp and jointly inspected at delivery.

Examples

Recently completed

Frequently asked questions

Questions about extensions

What does an extension typically cost in Eindhoven?

An extension usually starts from €20,000, depending on surface area, finish and options such as sliding doors or underfloor heating. Use our extension calculator above for a free tailored estimate.

Do I need a permit for an extension?

An extension often falls under permit-free building, but this depends on the dimensions and your situation. We check this for you in advance.

How long does an average extension take?

A standard extension usually takes 6 to 10 weeks, depending on size and finishing level.

Can an extension also be built in winter?

Yes, with the right provisions we build all year round.

Ready for your extension?

We'll get back to you within 24 hours, completely free of obligation.

Contact us