Design & Build

House Extensions in Cheshunt, Enfield & North London

A well-designed extension is usually the best value way to add space and worth to your home. We handle the whole thing under one roof: design, drawings, planning, structure and the finished build, so you deal with one team from first sketch to handover.

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  • Fully insured
  • Building Control approved
  • 12-month guarantee
  • Fixed price after a free site visit
Glazed rear extension with open-plan living space

Every kind of extension

Single storey rear extensions, side returns, wrap-arounds, double storey extensions and full kitchen extensions. We work on Victorian terraces, semis and detached homes throughout the area, matching brick and detailing so the new space looks like it was always there.

Design and build under one roof

Because our designers and builders sit in the same team, your drawings are always buildable and your price is real, not a guess that balloons on site. We can take you through planning or permitted development and building control so you are not chasing separate consultants.

A fixed price, no hidden extras

You get an indicative itemised budget in 60 seconds from our online estimator, then a fixed, fully costed quotation after a free site visit and survey. Every trade is priced line by line so you can see exactly where your money goes.

Helpful guides

Frequently asked questions

How much does a house extension cost?+

As a rough guide, a good quality single storey extension in our area typically runs from £2,500 to £3,000 per square metre, with kitchens and bathrooms on top. That band is our standard finish done properly; a luxury specification is priced individually after a site visit. Use our instant estimator for a figure tailored to your project, then we confirm a fixed price after a site visit.

Do I need planning permission for an extension?+

Many single storey rear extensions fall under permitted development and do not need full planning permission, but limits vary and conservation areas are stricter. We check this for you and handle the application either way.

How long does an extension take?+

A typical single storey rear extension is usually around 10 to 16 weeks on site once you are through design and approvals. We give you a clear programme with your quotation.

Which areas do you cover?+

We cover Cheshunt, Cuffley, Goffs Oak, Enfield, Hoddesdon, Broxbourne, Waltham Cross and across Hertfordshire and North London.

Free instant quote

Get your itemised quote in 60 seconds

An indicative, itemised budget in about a minute, emailed straight to you as a branded PDF. We confirm a fixed price after a free, no-obligation site visit.

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