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Extension types

Garage conversions

Converting a garage is one of the most cost-effective ways to add a room, because the structure is already there. We’ve converted garages into living rooms, offices and even a complete self-contained annex with its own kitchen and bathroom.

  • Design
  • Planning
  • Building regs
  • Build
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Is it right for you?

What a garage conversion project is great for

  • Home offices and studios
  • Extra living rooms or playrooms
  • Gyms and yoga studios
  • Self-contained annexes for family

Things to think about

  • Insulating the floor, walls and roof to building regulations
  • Replacing the garage door with a wall and window
  • Checking planning conditions on newer estates
  • Heating, electrics and ventilation for a habitable room
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FAQs

Garage conversions: your questions

Can’t see your question? Call us on 01480 272 600 or send us a message.

Do I need planning permission for a garage conversion?

Often not, if the work is internal and doesn’t enlarge the building. Some newer homes have planning conditions that require permission, so we check this first. Building regulations approval is always needed.

Can a garage be turned into an annex?

Yes. Our Great Paxton project converted a double garage into a self-contained annex with a kitchen, bathroom and living space.

Guides

Helpful reading on garage conversion projects

All articles
Projects12 Nov 2026 · 3 min readProject spotlight: a garage turned into a self-contained annex in Great PaxtonHow we converted a double garage into a complete living space with heritage-style glazing to match a period home.Read article Guides12 Nov 2026 · 5 min readBuilding regulations explained: what you need for an extensionPlanning is about how a building looks; building regulations are about how it’s built. Here’s what approval involves, from drawings to the completion certificate.Read article Guides12 Nov 2026 · 4 min readLawful Development Certificates: do you need one?Your extension may not need planning permission, but a Lawful Development Certificate proves it. Here’s why it’s worth having.Read article

More options

Other types of extension

Garage conversions near you

Planning a garage conversion project?

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