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Home / House Extensions / Cornwall

House Extensions in Cornwall

Professional house extension across Cornwall — free survey, fixed written quotes and guaranteed work.

If you need house extension in Cornwall, our team delivers workmanship you can rely on, with no day-rate surprises.

Every job starts with a free, no-obligation site survey and a clear, itemised price. A well-built extension adds space and lasting value to your home. We handle the whole job — design and drawings, building control and party-wall sign-off, foundations, structure and a full finish — so you deal with one accountable team from first sketch to final decoration.

Our house extensions service in Cornwall includes

  • Free measured survey and design advice
  • Architectural drawings and building-control sign-off
  • Foundations, brickwork, steelwork and roofing
  • Plastering, electrics, plumbing and decoration
  • Party-wall and structural calculations arranged
  • Fixed written quote — no day-rate surprises

Every extension starts with a free site survey and a fixed, itemised quote. We manage structural calculations, steelwork and building regulations throughout, and keep the site clean and the schedule honest. The result is a room that feels part of the original house, not bolted on.

House extension across Cornwall

We carry out house extension throughout Cornwall, including Truro, Newquay, St Austell, Falmouth, Penzance, Camborne, Redruth, Bodmin and the surrounding villages.

TruroNewquaySt AustellFalmouthPenzanceCamborneRedruthBodminBudeSt Ives

House Extensions in Cornwall — FAQs

Do I need planning permission for an extension?
Many extensions fall under permitted development, but larger or two-storey projects often need planning. We check this for you and handle the application if required.
Will you manage building control?
Yes. We arrange structural calculations, submit to building control and see the project through to a completion certificate.
Do I need planning permission for an extension?
Many extensions fall under permitted development, but larger or two-storey projects often need planning. We check this for you and handle the application if required.
Is the quote for house extension in Cornwall free?
Yes — we provide a free site survey and a fixed, itemised written quote with no obligation.
Are you local to Cornwall?
We are a West Midlands-based company covering Cornwall and the wider region, so you get a responsive local service backed by a full team.

Ready to start? Call 0800 088 6341 or send an enquiry and we will arrange a convenient survey.

House Extensions in Cornwall?

Call 0800 088 6341 or request a free survey and a fixed written quote for your house extension project in Cornwall.

Call 0800 088 6341Request a quote
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