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RooflightInstallers.co.uk
Pimlico · SW1V · Greater London

Walk-on rooflight installation in Pimlico

Glass is heavy, and bigger units get heavy fast. Fitting a walk-on rooflight in Pimlico means planning how it travels from the delivery vehicle to the roof without chipping an edge or straining a back. Smaller units go up by hand with two fitters. Larger ones may need a hoist, a scaffold loading bay or a crane, and we tell you at quote stage if that applies. Once it is up, the fitting follows the maker's sequence: seat, fix, seal, finish. We take on work like this across Greater London.

Guide price from £3,345 · Supply & fit

Guide prices

Up to 1 m²

£3,345 – £4,545including VAT at 20%

Laminated walk-on unit with anti-slip finish, fitted level with the terrace

Up to 2 m²

£4,545 – £7,195including VAT at 20%

Larger walk-on glazing

Large or bespoke

£7,195 – £11,995including VAT at 20%

Big panes, structural calculations, lifting gear

Guide ranges for supply & fit. Your price is fixed in a written quote after we have seen photos or surveyed. Scaffold, access towers or a crane are priced separately if the job needs them, and building control fees, where a job needs them, are shown as their own line.

Coverage in and around Pimlico

If you also own a property or a business unit in Battersea, Chelsea or Soho, that is no problem. We can survey and quote both, and where it suits, line the fitting days up together. Every address is reached by fitters travelling to it from their current jobs, and SW1V, SW1 and SW1P sit comfortably within that pattern.

Fit-only or supply and fit

Your unit or ours, the fitting standard is the same. For supply and fit we choose a walk-on rooflight to suit the roof and price it with the installation. For fit-only we work with what you have, after confirming it arrived undamaged, that it matches the builder's opening, and that the upstand will sit at the height the maker asks for. Report any transit damage to the seller, as the product cover is theirs and the maker's. Our written guarantee applies to the fitting itself.

On the day, we cover

  • Unit bedded and fixed so it sits level with the finished surface
  • Engineer's calculations and the unit's loading data checked together
  • Protective film removed and the anti-slip surface left clean
  • Drainage around the glass — We check how water will drain from the terrace around the unit.
  • Weight on delivery day — We plan the delivery and lift before booking any lifting gear or extra hands.

What happens on the day

Protection comes before tools. Floors, furniture and stairs get covered, and the ceiling below the opening is sheeted to catch dust. Up top, the fitters confirm the opening is square and the upstand or flashing suits what the maker specifies. Fixing follows, then weather-sealing into the membrane, felt or tiles. Only once the roof is tight do they turn to the internal reveal. Time on site for a walk-on rooflight: one to two days, weather permitting.

Planning and building rules in England

England's rules in short: permitted development usually covers a rooflight on a house roof provided it doesn't stick out more than 0.15 m or rise above the ridge, though a listed building always needs consent and some streets have Article 4 directions. Building regulations apply to new openings, and replacements go through building control; as we are not registered with a competent person scheme, we use a building notice and show the fee on the quote. The energy limit for rooflights in existing homes is 2.2 W/m²K, and the 2026 Approved Document L, in force from 24 March 2027, keeps that figure.

Help us quote accurately

What we cannot see, we have to guess, and guesses make quotes wider. So the more you send, the tighter the price. Useful: shots from the roof or garden, shots from the room underneath, a rough width and length, the roof finish, any access problems, and the product page if you have already ordered. Add the property postcode around SW1V and we will come back with a quote or a survey date.

Common questions in Pimlico

What is included in the price?

The written quote lists it line by line. Typically that covers fitting labour, fixings, sealants, membrane or flashing materials, any upstand work, internal finishing if agreed, and taking away the waste. For supply and fit, the unit itself is included too. Scaffold, lifting gear and any third-party fees, where needed, are shown separately so you can see what each part of the job costs.

How long does fitting take?

Fitting a walk-on rooflight into an existing, correctly sized opening is often a day's work. New openings take longer, because joists or rafters need trimming, an upstand or flashing has to be built or fitted, and the inside needs finishing. Large units that need lifting gear, and days lost to rain, can stretch things further. Your written quote gives a realistic estimate for your roof.

Do you cover Pimlico?

Yes. Fitters travel to addresses in Pimlico and the surrounding districts, including SW1V. We do not run an office there; the survey and the fitting happen at your property. A few island and remote postcodes are covered by arrangement; if yours is one, we confirm travel and dates before quoting.

Get in touch with the details of your Pimlico property and we will explain what the job involves and what it costs.

Rear extension at dusk with lit rooflights and a roof lantern
Ready when you are

Walk-on rooflights in Pimlico

Send photos and rough sizes, or ask for a survey for install work. One fixed written price before anything starts.

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