Basement 4, specialist in high quality, bespoke basement conversions and cellar conversions.

Using only the best quality materials and products available with our specialist teams of installers.

Skip main navigation
Basement conversions UK

Basement Conversions and Cellar Conversions

Basement 4 is the UK's market-leading specialist in high quality, bespoke basement and cellar conversions.

In today’s modern living environment the requirement for extra space has become essential. Often the costs of extending your home are expensive, time consuming and undoubtedly require planning permission in all cases, providing you with more space internally but ultimately losing precious space externally.

Using only the best quality materials and products available with their specialist teams of installers, basement 4 will take control and oversee the entire project through to completion, including lighting, plumbing, all electrical work and damp proofing. Leaving you with time to relax and enjoy planning the finer decorative detail of your newly created space.

basement 4 undertake a comprehensive service from initial survey to design, dealing with planning permission, structural engineering services and building regulations.

Guaranteed Workmanship

We have our own team of dedicated specialist tradesmen to carry out the groundworks, underpinning, new basement formations, tanking, plastering, joinery, electrics and plumbing.

Basement conversions UK Basement conversions UK

All products, systems and workmanship come with extensive guarantees to ensure greater peace of mind.