Open-plan kitchen, diner and living conversions in Hounslow. Trusted, professional, 30+ years' hands-on experience.
GS Renovation creates open-plan living across Hounslow, reworking the compartmented Victorian and Edwardian terraces of Chiswick, Brentford and Isleworth into bright, connected spaces. With over 30 years across TW3, TW4, TW5, TW7, TW8 and W4, we handle knock-throughs, kitchen-diners, broken-plan layouts and Crittall dividers, always with the structure engineered and certified.

The classic Hounslow terrace was built as a run of small rooms, with the rear closet wing and side return cutting the ground floor into pieces. Opening the front and rear receptions into one kitchen-diner, or knocking through to the closet wing, means removing load-bearing masonry, so a structural engineer designs the steel beam that spans the new opening and sizes the padstones it bears onto.
Not every homeowner wants a single vast room. In many Chiswick and Isleworth homes we create broken-plan layouts instead, using a Crittall-style glazed divider or a part-height wall to keep zones legible while light flows through. Whether the opening is fully open or partly framed, the load path is the same structural question, and we prop, demolish and install the steel in safe, staged sequence.
Knocking rooms together is structural work governed by the Building Regulations, not planning permission, so it is Hounslow Council's building control that inspects the beam and issues the completion certificate. Planning only comes into play for exterior changes in a conservation area or on a listed building, which we flag if your W4 or TW7 property falls within one near Chiswick House.
Where a new beam bears into the party wall shared with the neighbouring terrace, the Party Wall Act applies and you serve notice before work starts. We coordinate the engineer's design and the building control inspections together, prop the floors above safely and keep dust down in a lived-in home, then leave you a level, certified open-plan floor.
Hounslow homeowners choose GS Renovation for open-plan conversions because one team carries the project throughout: the engineer's beam design where the steel meets next door, and building control sign-off with Hounslow Council. From full knock-throughs to Crittall broken-plan dividers, we prop safely, work cleanly in your TW or W4 home and certify the result, over 30+ years locally.
Built a new extension at rear of property. Laid foundations, drainage, raised floor, new roof and completed all fixtures and interior decoration…
George always kept to commitments and arrived on time. He offered helpful suggestions during his initial visit and promptly provided a reasonably…
Giorgio is an excellent and intelligent workman, and with very reasonable prices! He installed a kitchen extractor fan in a complicated situation…
FAQ
Very, and deliberately so. Quoting open-plan conversion low to win a Hounslow job and correcting it later is the commonest complaint homeowners have about builders, and it is not how GS Renovation operates. We survey the TW3 address, itemise, and stand behind the total. Anything genuinely unforeseen is costed and agreed before further work. Ring 07472 424 226 and ask GS Renovation for the TW3 breakdown before you compare it with another Hounslow quotation for open-plan conversion. As a rough guide, open-plan conversion in London typically costs from roughly £3,000 to £8,000 or more, including the steel beam and finishing (indicative London ranges, MyBuilder and Checkatrade, 2026). Your figure depends on the size, specification and condition of the property, which is why we survey before quoting.
It is set out stage by stage before anything starts. For a Hounslow property the open-plan conversion programme names what happens each week, which trades are on site at TW3, and when GS Renovation needs access. Where a bay-fronted Victorian terraced building requires an extra step, we say so at the outset. That is easier for a Hounslow household than explaining it midway through. Ring 07472 424 226 and we will talk through the sequence for a TW3 home.
Enough to know where the problems hide in a TW3 property before quoting. Open-plan conversion in bay-fronted Victorian terraced housing throws up variation that a modern estate does not, and 30 years of hands-on experience is what turns that into an accurate Hounslow figure rather than a cautious one. GS Renovation has been incorporated since 2023. The experience behind it is considerably older. Ask on 07472 424 226 about Hounslow projects. References near TW3 are given as addresses, not testimonials.
It can, and it is worth planning for. One large space in a TW3 property behaves differently to two small ones, so radiator sizing or underfloor heating is reconsidered as part of the Hounslow conversion rather than left as it was.
Fewer than you would think, because we look for them first. The TW3 survey on an open-plan conversion job checks the places bay-fronted Victorian terraced Hounslow houses commonly hide trouble, so the quotation reflects reality rather than hope. Where something genuinely unforeseen appears, GS Renovation stops and re-prices openly. Weekly updates mean you hear it early, not at handover. Ask on 07472 424 226 where open-plan conversion usually finds trouble in TW3 houses of that particular age.
Usually yes. It means removing load-bearing walls, so a structural engineer designs a steel beam on padstones to carry the load. This is Building Regulations work certified by Hounslow Council's building control, not a planning matter, unless exterior changes fall in a conservation area. Where the beam bears into the shared party wall, you also serve notice on the adjoining owner first.
The fastest way is a phone call. Give us the TW3 postcode and we will confirm whether open-plan conversion at that address sits inside our Hounslow and Hounslow patch, usually within a minute. GS Renovation would rather turn work down honestly than quote and hope. A free survey can be booked at the same time. Building control goes through Hounslow Council where the work requires it. Nothing is owed for the TW3 reply or the Hounslow survey.
Every Service, One Team
The same trusted team, 30+ years' hands-on experience and free, no-obligation quotes apply to every GS Renovation service in Hounslow. Explore what else we do locally:
Same Service, Nearby Areas
We carry out open-plan conversion across Hounslow and the surrounding areas. Explore a nearby location:
Free, no-obligation quote for open-plan conversion in Hounslow. Rated 4.9 from 31 reviews on MyBuilder, fully insured, and building control handled for you.