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RooflightInstallers.co.uk
Maidenhead · SL6 · Berkshire

Roof lantern installation in Maidenhead

Builders and extension firms in Maidenhead often want the rooflight stage of a project handled by a specialist fitting team. We step in once the roof deck or battens are ready, fit a roof lantern on your upstand or ours, detail it into the membrane or tiles, and leave the opening ready for the plasterer. Homeowners get exactly the same service directly. In each case the job is quoted in writing first, with any access or lifting needs spelt out. Jobs around SL6 and the neighbouring districts are welcome.

Guide price from £3,095 · Supply & fit

What the job costs in Maidenhead

About 1 × 2 m

£3,095 – £4,545including VAT at 20%

Aluminium lantern, double glazed, fitted and glazed on a ready upstand

About 1.5 × 3 m

£4,545 – £7,195including VAT at 20%

Mid-size lantern, solar-control glass options

2 × 4 m and over

£7,195 – £11,395including VAT at 20%

Large lanterns, 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.

Areas around Maidenhead we cover

Distance is rarely the deciding factor. A roof in Marlow, 4 miles from Maidenhead, gets the same survey, the same written quote and the same fitting process as one in SL6, SL1 and SL2. What changes the price is the job itself: size of unit, roof type, access and lifting. Slough, around 5 miles out, is treated the same way.

Buying your own, or letting us supply

Supply and fit tends to suit people who would rather not pick a unit from a catalogue. We look at the roof, the opening and how you use the room, then put a roof lantern on the quote that fits all three. Fit-only suits people who already know what they want, or have one on site. We are happy with either. The difference is who stands behind what: on fit-only, the maker or retailer covers the product, and our workmanship guarantee covers the installation.

What the job includes

  • Internal trims fitted to the ring beam or upstand
  • Roof membrane checked where it meets the lantern frame
  • Glass lifted and laid into the frame by hand or with gear
  • Level, not to a fall — We set or check the kerb level unless your lantern's maker says otherwise.
  • Upstand size and tolerance — We check the kerb against the lantern maker's figures before the kit is opened.

From arrival to clean-up

Fitting days start with a look at the sky. If rain is due, the order of work changes so the roof is never left open to it. A typical day for a roof lantern runs like this: set up access, protect the room, open up the roof or prepare the existing kerb or frame, check sizes, fix, seal, then finish inside. On jobs that take more than a day, the opening is weather-sealed overnight. The last hour goes on tidying, waste removal and a walk-round with you.

Regulations for Maidenhead properties

Replacing a rooflight in an English home is a controlled fitting: it has to be self-certified by a scheme-registered installer or notified to building control. We are not registered with a competent person scheme, so replacements we fit are notified with a building notice, and the new unit has to meet current energy limits. Adding a new one usually means a building regulations application, because joists or rafters are trimmed. On the planning side, most house rooflights are permitted development if they project 0.15 m or less; on a side slope the glass must be obscured and fixed unless the opening part is over 1.7 m above the floor.

Getting a price from photos

Start with your phone. Take a picture of the roof where the unit goes or already sits, then one from inside looking up. Measure what you can, even roughly. Tell us what the roof is covered with and how a fitter would reach it: ladder, garden access or scaffold. Bought it already? Send the link or spec. Add your full postcode, for example in SL6, and we can price it.

Common questions in Maidenhead

Can you fit a rooflight in winter or when it is raining?

Yes, within limits. Cold is less of a problem than wet, because membranes, primers and sealants need a dry surface to bond. We plan fitting days around the forecast and may move a date if heavy rain is due. If the roof has to be opened up, it is not left overnight without a temporary weather seal, so the room below stays dry while the work is finished.

Will my new roof lantern leak?

A correctly fitted unit should not. Leaks usually trace back to the detail around the frame: an upstand that is too low, a membrane or flashing that is not dressed properly, sealant applied to a damp surface, or water ponding against the kerb. We fit to the maker's instructions and check each of those points. The fitting carries a written workmanship guarantee, with its terms set out on your quote.

Can you replace an old dome without redoing the whole roof?

Usually, yes. If the existing kerb is sound, level and tall enough, a new unit can often sit on it with a fresh seal to the roof covering. If the kerb is rotten or too low, we rebuild it and patch the covering around it rather than stripping the whole roof. This is checked at the survey and included in the written quote, so you know the full scope first.

Planning a roof lantern in Maidenhead? Tell us about the roof and we will come back with a clear price in writing.

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

Roof lanterns in Maidenhead

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

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