GS Renovation converts lofts across the London Borough of Newham, on the Victorian and Edwardian terraces filling E6, E7, E12 and E13. The borough also holds a great deal of new-build apartment stock around the Royal Docks and Stratford, where a loft conversion is not possible, so we start by establishing what you own.
Terraced houses convert, apartments do not
The terraces that run through E12 and E13 are ideal loft candidates: consistent construction, decent ridge heights and a rear closet wing on many of them. The apartment blocks near the Queen Elizabeth Olympic Park and the Royal Docks are the opposite. There the roof is common parts owned by the freeholder, the fire strategy covers the whole building, and no individual leaseholder can take the space above their flat. We will tell you that at the first phone call rather than book a pointless survey.
For a house, the first measurement is the height from the top of the existing ceiling joists to the ridge, ideally roughly 2.2m to 2.4m. A rear dormer runs roughly £45,000 to £65,000 on indicative London ranges for 2026 and an L-shaped dormer over the closet wing roughly £55,000 to £80,000, the latter being what makes a bedroom plus a separate en suite realistic rather than one long room.
Fire safety, structure and Newham Council
Adding a third storey changes the fire requirements under Part B. You need the staircase to become a protected route to a final exit, fire doors to habitable rooms opening onto it, interlinked mains alarms on every floor and, depending on the layout, an escape window. The new floor is built on joists sized by a structural engineer and supported on steel beams to the party walls, because the existing ceiling joists were never intended to carry a floor.
On consents, the commonly cited permitted development allowance is 40 cubic metres of added volume for a terrace, with conditions on matching materials, obscure glazed side windows, no balconies and nothing forward of the roof plane. Newham Council has conservation areas where those rights are removed. We confirm the designation for your address, and either way we run the building control application and inspections through to the completion certificate.
- Water tank removal and conversion to a sealed system
- L-shaped dormers over a rear closet wing
- Hip to gable conversions on semi-detached and end terrace roofs
- Head height and ridge survey before design
- Building control inspections booked at floor, steel and completion
The GS Renovation Difference in Newham
Newham homeowners choose GS Renovation because we are straight about what is possible and thorough about what is not obvious, from the fire strategy to the party wall notices. One team coordinates the engineer, installs the steel, prepares your notices, manages Newham Council building control and finishes the rooms. Fully insured, dedicated project manager, and 4.9 from 31 MyBuilder reviews.
- Party Wall notices prepared for steels bearing into a shared wall
- Building control applications and inspections coordinated for you
- Materials priced at options, so you choose the finish
- Interlinked mains alarms fitted and certified
- Free, no-obligation quotations
- Roof type assessed so you get the scheme your house can actually take