House Extensions

3m x 4m from £36,150

4m x 4m from £47,790

4m x 6m from £65,070

6 SHOW HOMES WANTED

Includes Bi-Folding Doors, Sky Light or Electric Roof Windows, LED Lighting and USB Power Sockets. Completed in as little as 8 Weeks - No Deposit!

Expert Installation
High Quality Products
Satisfaction Guaranteed

Limited OFFER

Show homes wanted! We are looking for 6 homes to extend. The lucky 6 will save 10% off the final price of their House Extension!

The price shown in the calculator on this page DOES NOT include the show home discount and will be taken off any properties selected for the show home status, all we ask is that we can show before and after images of our work on your home and that you are willing to provide a testimonial on completion.

Use our ‘Quick Quote Calculator’ on this page to get an idea of your House Extension project cost.


All our House Extensions come with the following as standard

  • Wall, Floor and Roof thermal specifications that surpass those needed by building control.
  • External maintenance free Cladding in a choice of eight colours.
  • Either Aluminium Bi-Folding doors or High performance UPVc French Doors.
  • Bi-Folding doors available in White, Grey or Black as standard, other colours are available.
  • Either a Flat orangery style roof or a vaulted style roof.
  • Flat roofs come with a Skylight lantern.
  • Vaulted roofs come with Velux electrically operated roof light/s.
  • All internal walls are plasterboard with ceiling coving if required.
  • Ceiling lights and power sockets.

It’s your House Extension we are building so you can add any of the following to your project

  • External wall lights.
  • Low voltage soffit lighting.
  • Additional windows to suit your style.
  • just about anything not listed is possible, just ask when you have your free site inspection or put a note on the form on this page.

The form on this page assumes a clear site with normal ground conditions. Ground works include a foundation depth of up to 1metre. It is impossible to build a calculator to provide a quote and take in the many possible site variations, that’s why we offer a free site inspection service. We are extremely confident that once a build is out of the ground (the bit no one can see until they start digging), the price is fixed. Building control inspectors are the people that can have an impact on ground condition requirements. In an attempt to be completely transparent, we have published the possible extra costs that could be encountered.

For each additional 200mm of depth of foundations as specified by a building control inspector, you will be charged £175 per metre run. As an example, if the building control inspector stipulates a foundation depth of 1600mm on a 4 metre run then the additional cost would be £2,100

Possible causes of additional foundation depth are poor ground conditions, trees and hedges nearby. It does happen, so we wanted to make sure you aware of the possibility. We can build just about anywhere, even the worst possible ground conditions can be built on, it just has to be reflected in the cost.

Quick Quote Calculator


How are our House Extensions better than most others?

Below is a table showing the requirements of Building Control thermal values a new extension must meet.

(with UValues lower is better)

Building ElementTraditional brick and block House Extensions UValuesOur House Extensions UValuesPerformance Increase
Floors0.180.13+27.7%
Walls0.180.12+33.3%
Roof0.150.11+26.6%

As you can see our House Extensions are at least 26.6% better than the standard brick and block built Extensions.

That performance increase translates directly into energy savings and more comfort as a home extension that is efficient to heat also stays cooler in summer and as you can see from our ‘Quick Quote Calculator’ higher performance does not have to cost the earth.

Contact us today and let us build your dream Home Extension