HG1 is London's premier builder and construction company delivering world-class home renovations, bespoke house extensions, and period property restorations across Kensington, Chelsea, and Mayfair. With 25+ years of experience, we are the trusted builder in London for high-end residential projects.
Specialists in maximizing space and value in London's most prestigious postcodes. From structural glass extensions to luxury master suites, our construction company London team delivers exceptional results.
Full-scale property transformations combining modern luxury with structural integrity for period and contemporary homes across London.
Expertise in maintaining the historic fabric of Grade I & II listed buildings, ensuring high-end finishes that satisfy local planning authorities.
Industry-leading 10.8mm acoustic laminate secondary glazing for listed buildings. Up to 54dB noise reduction without compromising heritage.
Kensington (W8) • Chelsea (SW3) • Knightsbridge (SW1) • Mayfair (W1) • Belgravia (SW1X) • Hampstead (NW3) • Richmond (TW10) • Wimbledon (SW19)
10.8mm Acoustic Laminate Guide – How much noise reduction can acoustic laminate glass really give you?
London Planning Permission for Listed Buildings – Do you really need planning permission for secondary glazing?