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House Extensions in London

House Extensions by J&H Spaces. Rear, side return and kitchen extensions planned around space, light and buildability.

Premium London property renovation by J&H Spaces
London renovation supportRenovation · Maintenance · Automation · Carpentry · Decorating

House Extensions London services

London extensions need more than extra square metres. They need careful planning around structure, drainage, access, light, finishes and how the new space connects to the rest of the home.

For family homes, rental properties and premium refurbishments, J&H Spaces combines practical building knowledge with careful finishing.

  • Rear and side return extension works
  • Kitchen extension preparation and fit out
  • Structural coordination and opening up works
  • Rooflights, glazing, drainage and services coordination
  • Finishing, decoration and snagging
House Extensions London by J&H Spaces
J&H Spaces renovation and building work.

How We Work

From first call to finished space

01

Discovery

We understand the property, your priorities, budget expectations and timing.

02

Scope

We shape a sensible scope of works with the right trades and sequence.

03

Build

Work is managed carefully, with communication around access, disruption and decisions.

04

Finish

Final details, snagging and handover matter. The finish is what you live with.

Related services

Useful next steps

House Renovations London

Complete London house renovations with clear scopes, careful sequencing and a high quality finish.

Questions

House Extensions London FAQs

Do London extensions need planning permission?

Some extensions can fall under permitted development, but this depends on the property, previous works and local constraints. We can help you understand the practical build scope while planning advice is confirmed by the right professional.

Can you work from architect drawings?

Yes. J&H Spaces can work with architect drawings, structural calculations and client selected finishes to deliver the build.

Planning work on a London property?

Send a short message about the property, the work you need and your ideal timing. We'll help you shape the next step.

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