Extension Builders Barnet

Kitchen and house extension builders in Barnet

Getting an extension is the best way to add value to your property and get the additional space you needed. As home extension builders in Barnet, our company offers house extensions services in Barnet EN5 and its surrounding areas. Our project manager and the team specialist in luxury construction London work together to ensure that all building projects are completed to the highest standards and quality. 

Marriott Construction, as local builders in Barnet, has the expertise and skills to actualize your house extension dreams. Our clients are issued with a completion certificate and a 10-year structural guarantee once the construction is completed. We are a highly recommended builders in Barnet who have undertaken several projects that can prove the level of expertise. 

Completed Extension Projects in Barnet

Rear house extension in Barnet area London

Rear house extension in Barnet

Kitchen extension in Barnet London

Kitchen extension

Two storey extension in Barnet area London

Double storey extension

House Extension Designs

When it comes to selecting the suitable house extension design for your home, it is advisable to first determine whether it falls under permitted development or whether you will need planning permission. In most cases, a double-storey or single storey extension with a pitched or flat roof are the four basic variations. As an efficient and reliable design and build company, we are able to advise you regarding the planning permission and compliance with all the building regulations.  Whether it’s a new room or an open plan kitchen, our Barnet builders have what it takes to deliver the perfect outcome in line with your style and preference. 

3D render of a singley storey wrap around extension in London Barnet area

Single Storey House and Kitchen Extensions


The fact that a single-storey extension visually connects the house with the back garden makes it a popular option among many homeowners, who in return will benefit from the extra space and light.

While most side and single rear extensions fall under permitted development, there is always a need for planning permission when it comes to wrap-around extensions. One of our award-winning architects can help you obtain the planning application if needed. Do you want to build a gym at your home, a lounge area, or an open plan kitchen connected to your garden? We can help you achieve any of these plans.

Visualisation of a double storey house extension in London Barnet area

Double Storey House Extensions


A two-storey extension tends to be more cost-effective than single-storey ones, mostly because the foundations and the roof happen to be the most costly parts of the building process.

Our builders in Barnet, with years of experience, can build a double-storey extension either at the back or side of the home. As part of compliance with the building regulations, there will need to be a pitched roof with the same design as the existing one for a two-storey side extension. There are several things you can do with an extension, getting an extra bedroom, playroom or office are just a few of them. 

We also offer building extension service in other areas including:

  • Friern Barnet N11
  • East Barnet EN4
  • New Barnet
  • Chipping Barnet
  • High Barnet

Testimonials

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ADDRESS
  • 183 Edgware Road
  • London
  • NW9 6LP

CONTACT US

0208 205 8173  
office@marriottconstruction.co.uk  
Mon to Fri 09:00 - 17:00

We operate across all of North London and North West London including Hampstead, Mill Hill, Finchley, Edgware and Barnet. We also cover parts of Hertfordshire including Bushey, Elstree, Potters Bar, and St. Albans.