BASEMENT CONVERSION
LONDON

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BASEMENT

Similarly, the basement conversions we have delivered in Chelsea, Kensington, Richmond, Fulham, Ealing, Belgravia and Twickenham offer exceptional ways to expand your living area without altering your home’s footprint. We transform unused basements into stunning, tailored spaces—whether cozy family rooms or home gyms—ensuring every square foot is used effectively and beautifully.

Firstly, structural soundness is paramount in our conversions; therefore, we employ advanced waterproofing and damp proofing techniques to ensure a dry, comfortable environment regardless of the season. Furthermore, our use of cutting-edge construction materials and methods not only enhances durability but also ensures that your new space is energy-efficient. As a result, this helps to reduce your heating costs and environmental footprint.

Additionally, by prioritizing both structural integrity and sustainability, we create a living space that meets your needs while also benefiting the planet. Moreover, the finishing touches truly set us apart. We source high-quality fixtures that complement the design and ensure durability. Additionally, our attention to bespoke lighting enhances both functionality and ambiance. Likewise, custom joinery maximises space, creating a seamless, inviting environment that reflects your style. Ultimately, these elements work together to elevate your space to a new level of sophistication.
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AVERAGE bASEMENT CONVERSION PRICE IN LONDON

Below is an overview of the average costs for different types of basement conversions (sourced from across London, for reference only):

Name

Description
Average Cost
Basic Price

A straightforward conversion of an existing basement space into a habitable room (such as a playroom, gym, or home office). This option doesn’t require extensive structural work or excavation.

£100,000 to £200,000
Basement Excavation and Conversion Price

When there’s no existing basement, or if significant excavation is required to increase ceiling height, the cost rises considerably due to the structural work needed.

£250,000 to £500,000
Double-Level Basement Conversion Price

A more complex project, a double-level basement adds significant space to your property but requires extensive excavation, underpinning, and design expertise.

£500,000 and above

Factors Influencing basement Conversion Costs



Several variables influence the price of a basement conversion, including:


  • Excavation and underpinning
  • Waterproofing
  • Ventilation and lighting
  • Structural complexity
  • Finishes and fittings

For a precise estimate, we highly recommend that you contact us today for a free consultation to discuss your house conversion project. Our team is ready to provide you with expert advice and tailored solutions, so let us help you create a space that meets your needs and exceeds your expectations.