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Penarth · CF64 · Cardiff & the Vale

Frameless rooflight installation in Penarth

Frameless rooflight installation in Penarth 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 Penarth and the rest of Cardiff & the Vale. 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.

Covering CF64 and neighbouring districts

Covering Penarth means covering the people who live and work there, not a single postcode. We take on domestic and commercial jobs in CF64, CF10 and CF11, and are happy to quote further out in Cardiff and Barry. If your address sits between towns, tell us and we will confirm whether it falls in our normal area or needs travel set out separately on the quote.

Buying your own, or letting us supply

A damaged delivery is a frequent snag on fit-only work. Before the day, unpack a frameless rooflight, photograph it, and tell the seller about any cracks or scuffs, because claims are much easier made early. We will also ask for the model or a link, so we can read the maker's instructions and check the builder's opening size and the upstand height it expects. If everything lines up, we fit it. If not, we explain what needs changing first.

On the day, we cover

  • Roof covering turned up and finished under the glass overhang
  • Kerb squared across the diagonals before the glass is ordered or fitted
  • Upstand built to the maker's drawing within its stated tolerance
  • Glass weight and access — We plan the lift for a frameless pane before the delivery is booked.
  • Drainage at the overhang — We check how water leaves the glass where it oversails the kerb.

How a fitting day runs

Where a job takes one day, the split is usually structural work first and finishing second. Early on, the fitters cut or prepare the opening, trim where needed and prepare the upstand or flashing. Then a frameless rooflight is lifted in, fixed and made weathertight so the roof is sound before anyone moves inside. Plasterboard, trim and filler for the reveal come after. Each evening the work area is swept, and at the end the glass is cleaned and the team talks you through what was done.

Regulations for Penarth properties

In Wales, a new rooflight opening generally needs building regulations approval, and a replacement needs either a scheme-registered installer's certificate or a building notice to the council. We are not registered with a scheme, so we use a building notice and show the fee on the quote. Rooflights must meet 2.2 W/m²K and roof windows 1.4 W/m²K. Planning is tighter than in England: rooflights are not permitted development in conservation areas, National Parks, Areas of Outstanding Natural Beauty or World Heritage Sites, so we check your address before quoting.

Details that speed up your quote

For fit-only work, the product details matter most: the link, the spec sheet, or a photo of the label on the box. Alongside that, send pictures of the roof and the ceiling below, approximate opening sizes, the type of roof covering, and how someone would get onto the roof. For supply and fit, the same photos and sizes do the job. Finish with your postcode, such as CF64.

Common questions in Penarth

Do you make good inside after fitting?

Yes, where the quote includes it. Internal finishing usually means lining the reveal with plasterboard, taping or skimming, and fitting trim where it meets the ceiling. Some people prefer their own plasterer or decorator to finish off, which is fine. The written quote spells out exactly where our work stops, so nobody is left guessing about who does what once the unit is in.

Do you cover Penarth?

Yes. Fitters travel to addresses in Penarth and the surrounding districts, including CF64. 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.

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.

For a free, no-obligation quote in Penarth, use the form or call us with the details of your roof.

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

Frameless rooflights in Penarth

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

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