GS Renovation designs and builds extensions across Twickenham, from side-return infills to full wrap-arounds on the Victorian and Edwardian terraces near the Thames. With over 30 years working in TW1 and the wider Richmond upon Thames borough, we take your extension from groundworks and steel through to a finished, fitted space.
Side-return extensions on Twickenham terraces
The narrow side return alongside a Twickenham terrace is often wasted outdoor space, and infilling it is one of the most effective ways to widen a cramped kitchen. We dig and pour new foundations next to the existing footings, tie the new structure into the original brickwork and install steel beams to carry the wall we remove. The result is a bright, full-width kitchen-diner running the depth of the house.
Rear and wrap-around extensions take this further, extending into the garden and around the closet wing that many of these houses were built with. We handle the groundworks, the drainage diversions around existing manholes, the roof, whether flat with a lantern or pitched, and the full fit-out. Because the plots in TW1 vary, we set out each design around your boundaries, the light and how you actually want to use the space.
Planning and permitted development in Twickenham
Some Twickenham extensions fall under permitted development and do not need a full application, while others require planning permission from Richmond Council, and the difference depends on the size, the position and whether your home sits in a conservation area or is listed. We assess this before design and are honest about which route your property needs, so you are not surprised partway through.
Where planning permission is required, we help prepare and submit the drawings and work with the council through the process. Every extension also needs building regulations approval for the foundations, structure, insulation and drainage, which is separate from planning. On the shared boundaries typical of TW1 terraces, party wall notices to neighbours usually apply too, and we set all of this out clearly at the start.
- Planning permission and permitted development
- Foundations, groundworks and steel frames
- Full fit-out, finishing and making good
- Architectural drawings and structural coordination
- Single and double storey extensions
Why Twickenham Homeowners Choose GS Renovation
Homeowners across Twickenham choose GS Renovation because one accountable team carries the whole extension, the foundations, the steelwork, the roof, the planning route and the fit-out, rather than juggling separate trades. We know how these TW1 terraces are built, we work tidily around occupied homes, and 30+ years in the borough means the finished space is built properly and to last.
- Free, no-obligation quotations
- Over 30 years of hands-on experience
- Dedicated project management
- Fully insured and guaranteed work
- Building control and planning support
- Clean, tidy and reliable tradespeople