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RooflightInstallers.co.uk
Coulsdon · CR5 · Greater London

Commercial rooflight installation in Coulsdon

Glass is heavy, and bigger units get heavy fast. Fitting a commercial rooflight in Coulsdon 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 £1,095 · Supply & fit, per unit; site set-up priced separately

What the job costs in Coulsdon

Per standard unit

£1,095 – £1,895including VAT at 20%

Flat glass or polycarbonate unit on an existing kerb, as part of a multi-unit job

Per large unit

£1,895 – £3,345including VAT at 20%

Larger or ventilating units, edge protection in place

Programme of works

£3,345 – £7,195including VAT at 20%

Phased replacement across a building, priced from a survey

Guide ranges for supply & fit, per unit; site set-up priced separately. 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.

Fitting across Coulsdon and nearby

If you also own a property or a business unit in Purley, Banstead or Wallington, 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 CR5, CR8 and SM6 sit comfortably within that pattern.

Included in the work

  • New units fitted, sealed and weathered into the roof covering
  • Phasing agreed so occupied areas stay dry and usable
  • Roof survey of every unit, kerb and the fragile areas around them
  • Glass or polycarbonate — We compare glass and polycarbonate units against the roof, use and budget.
  • Fragile roofs and rooflights — We treat every rooflight and the roof around it as fragile until we have checked it.

Fitting your commercial rooflight, step by step

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 commercial rooflight: about a day per unit, longer on big roofs, weather permitting.

Do you need permission in Coulsdon?

For non-domestic roofs in England, expect building control involvement for new openings, energy limits of 2.2 W/m²K for rooflights, and fire checks where rooflights sit near a boundary or above an escape route. Smoke ventilation rooflights must be certified products, with controls commissioned by a specialist. We set out what applies to your building on the quote.

Getting a price from photos

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 CR5 and we will come back with a quote or a survey date.

Common questions in Coulsdon

How does payment work?

Payment terms are set out on your written quote before you accept it. Depending on the job, that may mean a deposit, stage payments for larger work, or payment on completion. The contract is with S&K Property Investments and Improvement Ltd, part of the S&K Group. Nothing is added without your agreement: if something unexpected comes up, we discuss it and agree any change before carrying on.

Do you cover Coulsdon?

Yes. Fitters travel to addresses in Coulsdon and the surrounding districts, including CR5. 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.

What if my roof opening is the wrong size for the commercial rooflight?

We find out before the fitting day, not on it. If the opening is slightly out, it can usually be adjusted by trimming or by packing out the upstand. If it is a long way off, the choice is between altering the opening and changing the unit. Bear in mind that rooflights are often sold by builder's opening size rather than external size, so check which one your measurement refers to.

Tell us your postcode, CR5 or close by, and what you want fitted. We will reply with the next steps and a quote.

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

Commercial rooflights in Coulsdon

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

CallGet a quote