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Welcome to Keystone Build Company

At Keystone Build, we bring a touch of excellence to the London construction scene. Specialising in high-end property renovations, extensions, and conversions, we transform homes with precision and style. Our expertise also extends to commercial building projects, ensuring versatile solutions for all your construction needs.

Why Choose Us?

Exceptional Customer Service: Your satisfaction is our priority. From the initial consultation to project completion, we provide a seamless, stress-free experience tailored to your unique vision.

Personal Touch: We believe in a hands-on approach, ensuring every detail is meticulously handled. Our dedicated team works closely with you, maintaining open communication and transparency throughout the project.

Unparalleled Professionalism: With a commitment to quality and integrity, we uphold the highest standards in every project. Our skilled professionals are dedicated to delivering superior craftsmanship and timely results.

Experience the Keystone Build Company difference. Elevate your living space with our bespoke construction services, designed to meet the demands of discerning clients.

Contact us today to discuss how we can bring your vision to life.

Call Martin on 02078560174

Latest Projects

Kitchen Extension

Project Type

Residential, Wandsworth

Address

Birdhurst Road, SW18

Details

This property had lots of potential and the client really wanted to go for a modern look with the kitchen so we left the steel beams and brickwork exposed and added two skylights to let as much light in as…

Full Info

3 Floor Property Renovation

Project Type

Residential, South Kensington

Address

Queens Gate Place Mews, SW7

Details

This 3 floor property needed a full revamp and the client wanted clean edges, a modern look and to incorporate some stunning features. We created an entrance space to separate the stairway from the lounge using glass panels and…

Full Info

Property Renovation

Project Type

Residential, Wandsworth

Address

Wandsworth Bridge Road, SW6

Details

The transformation on this 2 bedroom property was huge. We extended the ground floor in order to create an open plan kitchen/dining space which led out into the garden through bifold doors. We incorporated two skylights to keep…

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2 Bedroom Flat Renovation

Project Type

Residential, Wandsworth

Address

Commodore House, SW18

Details

This 2 bedroom flat was a joy to work in as the views across London and the Thames were stunning. We really wanted to showcase this so used glass panelled doors to give a view through the entire property…

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Property Renovation

Project Type

Residential, West Kensington

Address

Comeragh Road, W14

Details

We fitted skylights into this property to make the kitchen space feel a lot bigger, which was also helped to achieve by installing large glass doors, opening out onto the patio space. We utilised the space under the stairs…

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Martin is a brilliant chap and so are his team. Great work and easy to work with, we had to wait for them but it was worth the wait. We would be happy to work with him again if we needed anything else doing.

Ginny Davidson

We had a very good experience working with Martin and his team and we are very happy with the outcome.

Caroline Sherwood

Keystone Build completed 2 major renovations for me, my 3 bed London terrace in 2011 and Edwardian family home in 2019. They are the only company I trust. Both builds have been complex inc. extensions, removal of supporting walls, chimneys, rewire, re-plumb and home automation. The team's attention to detail on finish and service throughout the whole build was exceptional. Would definitely use them again. The only build team for me.

Leon Fretz