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Double Storey Extensions in County Durham

Professional double storey extension across County Durham — free survey, fixed written quotes and guaranteed work.

Homeowners and landlords in County Durham choose S&K Property Investments & Improvement for double storey extension that is planned properly and finished to a high standard.

You get a straight assessment, a fair fixed price, and work carried out when we say it will be. A two-storey extension is the most cost-effective way to add serious space — extra living space downstairs and a bedroom, bathroom or master suite above. Because the roof and foundations are shared across two floors, you get more room per pound than a single-storey build.

Our double storey extensions service in County Durham includes

  • Extra ground-floor living space and a room above
  • Matched brickwork and roofline to the existing house
  • Full structural design and building-control sign-off
  • New bedrooms, bathrooms or a master suite
  • Plumbing, heating and electrics extended cleanly
  • Fixed itemised quote after a free survey

We manage the added structural demands, matching brick and roofline, and tie the new floors neatly into the existing house. From design and building control to the final decoration, it is delivered by one team against a fixed, written price.

Double storey extension across County Durham

We carry out double storey extension throughout County Durham, including Durham, Darlington, Hartlepool, Stockton-on-Tees, Bishop Auckland, Chester-le-Street, Consett, Newton Aycliffe and the surrounding villages.

Double Storey Extensions in County Durham — FAQs

Will a two-storey extension need planning permission?
Two-storey extensions more often need planning than single-storey. We assess it and manage the application for you.
How long does a double-storey extension take?
Typically 12–20 weeks on site depending on size and finish. Your programme is set out in the quote.
Will a two-storey extension need planning permission?
Two-storey extensions more often need planning than single-storey. We assess it and manage the application for you.
Is the quote for double storey extension in County Durham free?
Yes — we provide a free site survey and a fixed, itemised written quote with no obligation.
Are you local to County Durham?
We are a West Midlands-based company covering County Durham 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.

Double Storey Extensions in County Durham?

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

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