Completed project · Loft conversion and extension · N4
A Victorian terrace extended up and out. A loft conversion adds a bright new bedroom under roof lights, and a rear extension opens the ground floor into a kitchen and dining room with a marble effect island and a roof light over the table. Planned, built and finished by one London team.
★★★★★ 5.0 on GoogleFully insuredOne team, start to finish
Corbyn Street · N4 · Completed
The approach
Adding space at the top and the back of a terrace changes how the whole house works. In the loft, a new staircase rises to a bedroom with roof windows and dormer windows, so the room is filled with daylight.
On the ground floor, the extension creates one open kitchen and dining room. A marble effect island anchors the kitchen, panelled walls add detail, and a roof light over the dining table pulls light deep into the room. An internal window links the new space to the rest of the house.
Roof windows and dormer windows over a calm, simple room.
A marble effect island and a roof light over the table.
Built to the approved design, with roof lights over the stairwell.
Project photographs
Photographed on completion. Every image on this page is of this Corbyn Street project, completed by our own team.








What we built
Scope of works
No separate plumber, electrician and tiler to coordinate. We managed every trade and every stage of this loft conversion, in the right order.
The house protected and a safe access route set up, often with scaffolding outside.
Steel beams, new floor joists and the roof structure formed to the engineer’s design.
Dormer or roof extension built, weathertight, with roof windows or glazing fitted.
Insulated to Building Regulations, with plumbing and electrics run for the new rooms.
New staircase installed and fire safety measures completed to the approved design.
Plastering, joinery, bathrooms and decoration completed, then signed off by Building Control.
How we manage a loft conversion
Homeowners worry most about the structure, the approvals and living in the house while the work goes on. This is how we run a loft conversion.
We see the property, check access, structure and services, and talk through what you want the space to do.
A clear, itemised quotation. What is included, what is not, and who is responsible for what, agreed before we start.
Drawings, approvals, materials and lead times confirmed, so the build runs in the right order.
Carried out in sequence by our own team, with each stage checked before the next one starts.
One point of contact throughout. You know what is happening this week and when we need a decision from you.
We walk the finished project with you and resolve any points before we sign it off.
Client reviews
★★★★★ 5.0 rating on Google
“What I appreciate most is their reliability, clear communication, and the professional way every project is managed from start to finish.”Betim Dushaj · Google review
“Elton’s passion for the craft coupled with brilliant customer service is why I recommend Elton and London Prestige to anyone looking to complete building works.”Ganesh Thangavel · Google review
“The team was professional throughout and responded to our questions promptly and clearly.”TJ O’Sullivan · Google review
Planning a loft or extension anywhere in London?
Send us your postcode and a few photos of the existing loft. We will call you back, talk through what you have in mind and arrange a site visit if it is the right fit.
More completed projects
FAQs
Can’t see your question? Call 020 3576 7307 or message us on WhatsApp.
It depends on the type of loft conversion, the size of the extension, the structure of the house, the approvals needed and the finishes inside.
After a site visit we give you an itemised written quotation, so you can see what each part of the project costs before anything is agreed.
Yes, and it often makes sense. One programme, one set of scaffolding and one team means less time with the house disrupted overall.
Many loft conversions fall under permitted development, but it depends on the house, the design and the area. Your architect confirms the route, and we build to the approved drawings and Building Regulations.
We manage the whole conversion: structure, roof, windows, insulation, plumbing, electrics, staircase, plastering, joinery, bathroom and decoration. You deal with one team and one point of contact.
It depends on the type of conversion, the approvals needed and the finishes inside. We confirm a realistic programme after the site visit.
Often, yes, depending on the scope. We plan the programme so you know when water, power or access will be affected, protect the rest of the home and keep the site tidy. For the largest projects we discuss at the site visit whether moving out for part of the build makes sense.
We work with your architect on the drawings and approvals, and arrange Building Control inspections at the right stages of the build, so the work is signed off properly at the end. Party wall matters are handled through a party wall surveyor where needed.
We are based in West Hampstead and build loft conversions and extensions across London. Send us your postcode to confirm.
Tell us your postcode and what you have in mind. We will come and see the loft, then give you a clear written quotation.
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