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Open-Plan Conversions New Cross

Open-plan kitchen, diner and living conversions in New Cross. Trusted, professional, 30+ years' hands-on experience.

GS Renovation creates open-plan spaces in New Cross homes, opening up the classic two-reception layout of SE14's bay-fronted Victorian and Edwardian terraces. From simple knock-throughs to kitchen-diners across the rear closet wing and side return, broken-plan zoning and Crittall dividers, we handle the structure with over 30 years of local experience.

A steel beam installed by GS Renovation over a widened opening onto the garden, with the floor above still propped
The beam seated over a rear opening. Props remain until the bearings are built up and the load is taken.

Open-plan layouts for New Cross terraces

The standard New Cross terrace has two reception rooms divided by a load-bearing wall, with a kitchen tucked into the rear closet wing. Knocking the receptions together, or opening the back reception into the kitchen across the side return, transforms how these homes live. Because the dividing wall usually carries floor loads and often a chimney breast, the opening has to be spanned by a properly designed steel beam, not simply widened.

We work with your architect or designer, or plan the layout with you directly, and translate it into structure. A broken-plan scheme might keep a stub of wall or use a Crittall-style glazed divider to zone the kitchen-diner while retaining light. The engineer sizes the beam for the opening, we prop the floors, remove the wall in stages and seat the steel on padstones so the space feels open but stays sound.

Getting knock-throughs signed off in SE14

Opening up a New Cross terrace is structural work under the Building Regulations, so Lewisham Council's building control or an approved inspector reviews the beam design, inspects the steel and bearings before they are boxed in, and certifies the job. It is not a planning matter, unless you are also altering the exterior within a conservation area, which a straightforward internal knock-through is not.

Since the wall you are opening frequently sits on or against the shared party wall, and may contain a flue, the Party Wall Act often applies and notice goes to the neighbour first. We coordinate the engineer and building control, prop and demolish safely, and finish the kitchen-diner or knock-through cleanly, from flush ceilings to any Crittall divider, so the open-plan result looks intended rather than improvised.

  • Open-plan kitchen-diner conversions
  • Ventilation and extraction planned for an open kitchen
  • Level flooring and threshold removal across the whole space
  • Rooflights and glazed roofs to bring light deep into the plan
  • Structural engineer coordination and building control sign-off
Service areaNew Cross · SE14
Local authorityLewisham Council
Part ofSouth East London (Inner London)
Typical homesVictorian terraces and postwar infill housing
Also covered nearbyCatford, Deptford, Forest Hill and Lewisham

The GS Renovation Difference in New Cross

For open-plan conversions in New Cross, GS Renovation delivers the structure behind the design. One team handles the engineer's beam calculations, Lewisham building control sign-off and the build itself, whether it is a knock-through, a kitchen-diner across the side return or a Crittall-divided broken-plan scheme. Safe propping, tidy working in your SE14 home and 30+ years of experience underpin the result.

  • Registered in England, Companies House no. 14611254
  • Heat loss and acoustics considered before the wall comes out
  • Floor levels and thresholds evened out across the whole space
  • The house kept usable while the opening is formed in stages
  • Paperwork and certificates handed over for when you sell
  • Clean, tidy and reliable tradespeople
30+ YearsFounder's experience
Fully Insured5 year guarantee
4.9 / 531 MyBuilder reviews
Building ControlCompliant
Free QuotesNo obligation
Reviews

Rated 4.9 / 5 by our clients

★★★★★ 4.9 average from 31 verified reviews on MyBuilder

★★★★★
George always kept to commitments and arrived on time. He offered helpful suggestions during his initial visit and promptly provided a reasonably…
scomtottIslington, London · via MyBuilder
★★★★★
The kitchen has been fitted to the high standard. Saaid was polite, professional, tidy, he pays attention to a little details that make huge…
khalid75711Barnet · via MyBuilder
★★★★★
Built a new extension at rear of property. Laid foundations, drainage, raised floor, new roof and completed all fixtures and interior decoration…
Customer of GSrenovationvia MyBuilder
Read all 31 reviews

FAQ

Frequently Asked Questions about Open-Plan Conversions New Cross

What happens to the open-plan conversion price if the scope changes in New Cross?

It moves, and you see the movement immediately. Because the open-plan conversion quotation for a New Cross home is itemised, a change to the specification at SE14 is priced against the same lines rather than renegotiated wholesale. GS Renovation issues a written variation and waits for your approval. That protects both sides on every Lewisham project. Ring 07472 424 226 and GS Renovation will explain how a variation at your SE14 address in New Cross is agreed. 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.

What is a realistic timeline for open-plan conversion across New Cross?

A realistic one allows for approvals, construction and drying time. GS Renovation programmes open-plan conversion at an SE14 property in stages, marks the Lewisham Council inspections, and builds in the curing periods that cannot be rushed. That is why our New Cross dates hold when optimistic ones do not. Ring 07472 424 226 for the range typical of a bay-fronted Victorian terraced home in Lewisham. The written New Cross programme always accompanies the quotation rather than turning up with the invoice.

Do you subcontract open-plan conversion in New Cross?

We do not sell your job to whoever is cheapest that week. Open-plan conversion at a New Cross property is delivered by the team that quoted it, which is why GS Renovation can commit to a programme at SE14 and hold it. Specialist trades come under our coordination and our insurance. Ask any Lewisham contractor who will actually be on site before signing. Ring 07472 424 226 to compare. The named SE14 manager is on the Lewisham site, not a broker.

What regulations apply to knocking through in New Cross?

Building regulations, principally structure. The beam is sized by an engineer and inspected by Lewisham Council before it is concealed. Fire separation also matters where the New Cross conversion opens a stairwell, because escape routes must stay protected under Part B.

Can you handle open-plan conversion in a bay-fronted Victorian terraced property in New Cross?

Yes, and it is the sort of property we are on most weeks. Open-plan conversion at an SE14 address of that age needs the structure confirmed before design, so GS Renovation appoints an engineer where the work requires one and builds to their specification. Lewisham Council inspects at the defined stages. The New Cross survey costs nothing and carries no obligation. Ring 07472 424 226 and we will describe recent open-plan conversion projects on similar SE14 houses in Lewisham.

Can I knock my two reception rooms into one in a New Cross terrace?

Usually yes, but the dividing wall is typically load-bearing and often holds a chimney breast, so it needs a steel beam sized by a structural engineer, not just a wider doorway. We prop the floors, remove the wall in stages and seat the beam on padstones, with Lewisham building control signing off served where the shared wall is affected.

Do you cover all of New Cross for open-plan conversion?

Every part, houses and flats alike. GS Renovation works across New Cross and the SE14 area and much of South East London, so open-plan conversion at your SE14 address is straightforward to service. The constraint is capacity rather than geography. Call 07472 424 226 early if the Lewisham project has a deadline attached. We will tell a New Cross homeowner honestly when the next slot is. Small jobs are as welcome as large ones here, and the written quotation follows within days.

Every Service, One Team

More GS Renovation Services in New Cross

The same trusted team, 30+ years' hands-on experience and free, no-obligation quotes apply to every GS Renovation service in New Cross. Explore what else we do locally:

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Free, no-obligation quote for open-plan conversion in New Cross. Rated 4.9 from 31 reviews on MyBuilder, fully insured, and building control handled for you.

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