GMB Glenn Miller Builders Ltd Logo A large home with loft conversions An open plan extension with a lounge leading through to a dining room and kitchen

Superb property extensions and loft conversions

In the unlikely event that there are any problems with your extension, we'll take care of it at no extra charge. If you require, we'll also source the building materials at the best price.


You can also depend on us for kitchens and bathrooms, refurbishments and structural repairs.

Exceptional customer service

Glenn Miller Builders Ltd

provides home extensions and conversions in Beckenham, Clapham, Putney, Brixton, Battersea, Dulwich, Herne Hill, Wandsworth and Fulham.

You can count on us for home extensions and conversions:

Do you need to create more living space for your growing family? Want to add additional value to your home by converting your under-utilised loft space? Whether it's an expansive home extension of a stylish loft conversion, get in touch with Glenn Miller Builders Ltd in Beckenham.


Our qualified architects will work with you and draw up the extension plans. If you require planning permission for your extension, we'll submit the relevant drawings and documents on your behalf.

  • Home extensions

  • Loft conversions

  • Garage conversions

  • Qualified architects

  • Assistance with planning permission

We'll help you create the space you need, call:

020 8778 9535

GMB Glenn Miller Builders Ltd Logo