Open-plan kitchen, diner and living conversions in South Kensington. Trusted, professional, 30+ years' hands-on experience.
GS Renovation creates open-plan spaces in South Kensington's grand period houses, from Georgian knock-throughs to garden-level kitchen-diners in the SW7 museum quarter. With over 30 years across the Royal Borough of Kensington and Chelsea, we open up these Regency and Victorian townhouses structurally while respecting the proportions, cornicing and character that make them special.

The classic South Kensington project is a knock-through between the front and rear reception rooms, or opening the garden-level kitchen into a single kitchen-diner. The wall between them is almost always load-bearing solid masonry, carrying the storeys above, so this is structural work: our engineer sizes a steel beam to span the new opening and specifies the padstones it bears onto at each end.
Many owners in these tall SW7 houses prefer a broken-plan feel to a fully open box, keeping some separation while gaining light and flow. We install Crittall-style glazed screens and dividers, or leave a generous supported opening with the steel neatly encased, so the period rooms still read as rooms. The result suits the scale of a Georgian or Regency interior far better than stripping it bare.
Every open-plan conversion here is built around a properly engineered steel. We prop the structure temporarily, take the wall down in stages, set the beam onto its padstones, and only then remove the props, so the floors above stay fully supported throughout. In an occupied South Kensington home we protect cornicing, floors and joinery, and keep the dust and disruption contained to the working area.
Where the new opening reaches into a party wall shared with the neighbour, the Party Wall Act applies and you serve notice first. The beam installation is notifiable under the Building Regulations, so the Royal Borough of Kensington and Chelsea's building control inspects and certifies it; internal open-plan work needs no planning permission. We coordinate the engineer and the inspections so you deal with one team from start to finish.
For open-plan conversions in South Kensington, GS Renovation combines structural certainty with respect for a period interior. One team handles the engineer's beam design, safe propping and building control across the Royal Borough, whether you want a full knock-through, a broken-plan layout or Crittall dividers. Occupied SW7 homes are protected throughout, and every job is backed by 30+ years.
Saiid did a complete refurbishment of our small bathroom. This involved ripping out the existing bath/shower, basin, toilet, pipework, and tiles and…
Excellent service. George's knowledge and skills are the best in the market. He knows what he is doing, does really high quality work, gives good…
The kitchen has been fitted to the high standard. Saaid was polite, professional, tidy, he pays attention to a little details that make huge…
FAQ
Only if it covers the same work, and usually it does not. A low open-plan conversion figure for a South Kensington home normally excludes the engineer, the Royal Borough of Kensington and Chelsea application or the making good, all of which still have to be paid for at the SW7 property. GS Renovation itemises so the comparison is honest. Ask the cheaper Kensington and Chelsea quotation for the same breakdown. Ring 07472 424 226 and GS Renovation will go through both South Kensington quotations with you. 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 can be built, but the appraisal treats that infill as harm. Paragraph 3.133 records rear elevations with closet wings as the most widespread type in the area, built in stock brick and following a paired or single pattern across the terrace. Paragraph 3.137 states that infilling the space between them harms the regular pattern of solid and void and replaces it with a solid cliff-like appearance. Expect that to be the objection.
Yes, and the lightwell is the part to protect while doing it. The appraisal states at paragraph 3.154 that the open character of lightwells is an important feature. It adds at 3.155 that iron security bars installed within basement window reveals were not part of the original design, and can be unattractive and intrusive if not designed sympathetically. Keeping the well open, with slim glazing, does more than widening the opening.
No, not under the building itself. Local Plan Policy CD11 criterion F states that a basement must not involve excavation underneath a listed building, including vaults. The listed terraces here take in Pelham Crescent, Pelham Place, Onslow Square, Thurloe Square and long runs of Queen's Gate. Where the house is listed, the honest answer is that head height comes from what is already there.
Not on the same terms. The Local Plan records that flats and maisonettes comprise 85 per cent of the borough's housing stock, and that buildings such as mansion blocks, often in multiple ownership, do not have the permitted development rights a dwellinghouse has. Structural work in a flat also runs through the lease, the freeholder and the other residents of the block, so two consents are being chased at once.
A construction method statement from an appropriately qualified civil or structural engineer. Local Plan paragraph 6.113 requires it to cover ground and hydrological conditions of the site including groundwater flow, and temporary propping and other temporary works while safeguarding structural stability, with a draft construction traffic management plan submitted alongside. The Basements Supplementary Planning Document was adopted on 14 April 2016. We appoint the engineer and build to the calculations rather than producing them.
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 South Kensington. Explore what else we do locally:
Same Service, Nearby Areas
We carry out open-plan conversion across South Kensington and the surrounding areas. Explore a nearby location:
Free, no-obligation quote for open-plan conversion in South Kensington. Rated 4.9 from 31 reviews on MyBuilder, fully insured, and building control handled for you.