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Single Storey Extensions in Cornwall

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

S&K Property Investments & Improvement carries out single storey extension throughout Cornwall — one accountable team from first survey to final finish.

We manage the whole project — design, trades and building control where needed — so you deal with one team. Single-storey extensions are the quickest way to open up a home — a bigger kitchen-diner, a family room or a utility and boot-room. We build rear, side-return and wrap-around extensions with the glazing, rooflights and open-plan layout that make them work.

Our single storey extensions service in Cornwall includes

  • Rear, side-return and wrap-around extensions
  • Bi-fold and sliding doors, lanterns and rooflights
  • Open-plan kitchen-diner and family-room layouts
  • Underfloor heating and rewiring where needed
  • Flat (EPDM/GRP) or pitched roof options
  • One team, one fixed quote

We take care of foundations, cavity walls, flat or pitched roofing, and the internal fit-out. Whether you want bi-fold doors onto the garden or a lantern rooflight flooding the room with light, everything is priced up front and delivered by our own trades.

Single storey extension across Cornwall

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

Single Storey Extensions in Cornwall — FAQs

Do bi-fold doors need special foundations?
They need a properly designed opening and steel support, which we include in the structural design and the quote.
What roof is best for a single-storey extension?
A warm flat roof with a lantern suits open-plan rooms; a pitched roof suits a more traditional look. We advise on both at survey.
Do bi-fold doors need special foundations?
They need a properly designed opening and steel support, which we include in the structural design and the quote.
How quickly can you start work in Cornwall?
It depends on the size of the job and our current schedule, but we will give you a realistic start date with your quote. Call 0800 088 6341 to check availability.
Do you cover Cornwall?
Yes — S&K Property Investments & Improvement covers Cornwall and the surrounding towns and villages for single storey extension. Call 0800 088 6341 to confirm and book a free survey.

Request your free, no-obligation quote today — call 0800 088 6341 or use the form.

Single Storey Extensions in Cornwall?

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

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