A construction company with strong foundations

A London construction company specialising in basements and shell and core

Knowles is a proven and established basement construction company based in London, specialising in basements and buildings, shell and core and fit outs – accommodating all basement-related projects in central London and the home counties.

It’s not the beauty of the building you should look at; it’s the construction of the foundation that will stand the test of time.

– DAVID ALLAN COE

Building-and-Basements

Basement Construction

London Basement Extension by Knowles

Shell & Core

Ground works and RC Frames by London Basement Construction Company Knowles

Ground Works & RC Frames

Structural-Alterations

Underpinning, Piling & Structural Alterations

Knowles basements

Temporary Works & Demolition

Chesham Dining Area

Fit Out

Experience Matters

With over 20 years of experience in London basement construction and underpinning, Managing Director Robin Knowles is ever-present on each project undertaken at every level.

 

 

Unparalleled Basement Track Record

With Knowles, you can expect your London basement construction project is in the best possible hands.

 

Highest Health & Safety Standards

Knowles understands that the health and safety of its workforce and those affected by its operations is of paramount importance.

 

Considerate Construction

The reputable experts at Knowles fully appreciate the need to make a London basement construction project as quick and painless as possible – for everyone involved.

 

Basement Build Portfolio – London and South

Typical Timelines for London Basement Construction Projects

The most common question from Knowles basement clients in London is ‘how long will it take?’. There is no simple answer as each basement conversion project is unique. Whether you’re an architect designing a basement for a client or you’re contemplating a basement...

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How to Repair Foundations with Underpinning

Whether increasing the depth of a building’s foundations or repairing faulty or damaged foundations, underpinning is an important part of basement construction to enhance stability and strength. Various methods of underpinning which can be chosen depending on what is...

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Which Basement Floor Plans Best Suit London Homes?

Designing a luxury basement for a busy London home provides an opportunity to add structural and aesthetic features that maximise the space available and suit the homeowner's personality. One key design decision during this exciting process is the basement floor plan...

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