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RooflightInstallers.co.uk
Gerrards Cross · SL9 · Buckinghamshire

Frameless rooflight installation in Gerrards Cross

Frameless rooflight installation in Gerrards Cross comes down to what happens around the glass. A good unit sat on a poor upstand, or with the membrane or flashing cut short at the corners, will still let water in. We fit each frameless rooflight to the maker's instructions for fixings, packers and sealant, for homes and businesses across Gerrards Cross and the rest of Buckinghamshire. That covers supply and fit, fit-only for a unit you already own, and swapping out a tired one. Every job starts with a written quote, so the price and scope are clear before anyone climbs a ladder.

Guide price from £1,445 · Supply & fit

Guide prices

Small frameless

£1,445 – £2,145including VAT at 20%

Up to about 1000 × 1000 mm, hidden frame inside the upstand

Medium frameless

£2,145 – £3,345including VAT at 20%

Up to about 1000 × 2000 mm

Large frameless

£3,345 – £5,395including VAT at 20%

Large single panes, lifting gear on the day

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.

Is your address covered?

Jobs across SL9, UB9 and HP9 are part of our normal cover for Gerrards Cross. We are not an office on the high street. Our fitting teams come out to the property from wherever they are working that week. Neighbouring places such as Chalfont St Peter and Uxbridge are covered on the same terms, so a house on the edge of town is no harder to book than one in the centre.

Buying your own, or letting us supply

Which works out better, buying your own or letting us supply? It depends on what you value. Buying your own gives you control of the product and what you pay for it. Letting us supply puts the whole job, unit and fitting, under one written quote. On a customer-supplied unit we still measure it against the opening, look at the upstand, and inspect the condition it arrived in. Warranty on the product sits with whoever sold it, while the fitting carries our own guarantee.

Included in the work

  • Roof covering turned up and finished under the glass overhang
  • Lifting gear arranged for heavy single panes where two people cannot safely carry
  • Glass bedded on the specified tape or sealant and fixed through the concealed frame
  • How the reveal will look — We agree the finish at the glass edge before building anything.
  • Drainage at the overhang — We check how water leaves the glass where it oversails the kerb.

How a fitting day runs

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 frameless rooflight: one day, weather permitting.

Planning, building control and Gerrards Cross

Two sets of rules matter in England. Planning: a rooflight on a house is normally permitted development if it projects no more than 0.15 m and stays below the highest part of the roof, but flats, listed buildings and Article 4 areas need checking. Building regulations: new openings need approval for the structure and energy performance, and a replacement is a controlled fitting. We are not registered with a competent person scheme, so we notify replacements to building control with a building notice and put the council's fee on the quote.

Help us quote accurately

A fast quote needs five things: a photo of the roof from outside, one from the room below, rough sizes of the opening or the space, the roof covering (felt, single-ply, fibreglass, tiles, slate or metal), and a note on access. If you have already bought the unit, add the product link or spec sheet. And give us the postcode, SL9 or a neighbouring district.

Common questions in Gerrards Cross

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.

What if my roof opening is the wrong size for the frameless 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.

Do I need planning permission for a rooflight in Gerrards Cross?

Often not. Many rooflights fall under permitted development, provided they do not project beyond the national limit and meet the other conditions that apply in England. Conservation areas, listed buildings and some flats are different and may need consent. Because the rules depend on the property, we confirm what is likely to apply at your address and point you to the planning authority where an application is needed.

Questions before you commit? Send them over with your Gerrards Cross postcode and we will answer them plainly, with a quote alongside.

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

Frameless rooflights in Gerrards Cross

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

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