07450 310772sales@uhmbasements.co.uk FMB  ·  Delta Registered  ·  £10M Insured  ·  25-Year Warranty About Services Areas Our Work Reviews Contact 07450 310772Book a site visit Home/AreasWhere we work # London basement specialists, borough by borough. We're a London-only specialist. Our workshop is in Tooting (SW17), which puts response times under an hour across South and West London. Choose your area for local project examples, property-type notes and typical basement scopes. - London ## Basement Specialists London Basement specialists for the whole of Greater London, Zone 1–4 focus, with a workshop base in Tooting (SW17). - London ## Basement Specialists Wandsworth Our home borough: Victorian terraces on Tennyson St, Bedford Hill and the Toast Rack all underpinned by UHM. - London ## Basement Specialists Clapham Between-the-commons terraces: full basement excavations and conversions on Old Town, Abbeville and Nightingale. - London ## Basement Specialists Wimbledon Wimbledon Village, Southfields and the Parkside conservation area, deep basement extensions and structural glazing. - London ## Basement Specialists Putney Edwardian family homes off the Upper Richmond Road, open-plan lower grounds with 4m sliding rooflights. - London ## Basement Specialists Balham Del Boy country: cellar conversions, damp proofing and MVHR ventilation on Bedford Hill and the Nightingale Triangle. - London ## Basement Specialists Chelsea Georgian townhouses off the King's Road, heritage-sensitive underpinning with fully hidden Delta cavity-drain waterproofing. - London ## Basement Specialists Kensington Stucco-fronted homes across South Ken and Notting Hill, party-wall coordination and structural steel work. - London ## Basement Specialists Richmond upon Thames Riverside townhouses with sub-flood-level lower grounds, combined Type A + C waterproofing with twin-pump sumps. Not in the list? ## We cover the whole of London, South & West first. If your postcode isn't listed above, it doesn't mean we won't take the project. Send us your address and we'll come out for a free site visit within a week. - Free site visit - Written quote - 25-year warranty - £10M insuranceRequest your free quote 07450 310772 Underhouse Management Ltd, London's structural basement specialists. A directly-employed team of 25, delivering meticulous below-ground work across the capital's finest addresses. Established 2009. FMB·Delta Registered·Considerate Constructors ### Services - Basement Excavation - Basement Conversion - Waterproofing & Tanking - Underpinning - Cellar Conversion - Basement Extension ### Areas Served - London - Wandsworth - Clapham - Wimbledon - Putney - Balham - Chelsea - Kensington - Richmond upon Thames ### Contact - 07450 310772 - sales@uhmbasements.co.uk - Unit C220A, Trident Business Centre,89 Bickersteth Rd, London SW17 9SHBook a site visit © 2026 Underhouse Management Ltd (t/a UHM Basements). Company No. 06968521. Privacy Policy·Terms & Conditions·Cookie Policy·25-year warranty · £10M insurance Call nowBook a site visit