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RooflightInstallers.co.uk
Devizes · SN10 · Wiltshire

Roof access hatch installation in Devizes

Our guide price for roof access hatch installation starts from £1,795, and the real figure for your roof in Devizes depends on a handful of things: the size and type of roof access hatch, whether the opening exists already, the roof covering, and how easy access is. We fix the price in a written quote before work begins. Nothing gets added on the day without your say-so. For a rough idea first, photos and a couple of measurements are enough to go on, and we cover all of Wiltshire.

Guide price from £1,795 · Supply & fit

What the job costs in Devizes

Entry-level hatch

£1,795 – £2,995including VAT at 20%

Polycarbonate or entry-level hinged hatch on gas struts, fitted to a new or existing upstand

Glazed manual hatch

£3,095 – £4,695including VAT at 20%

Double-glazed hinged hatch on gas struts, upstand and weathering

Electric glazed hatch

£9,345 – £12,595including VAT at 20%

Push-button glazed hatch with rain sensor; electrician's connection quoted separately

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 Devizes

Jobs across SN10, SN11 and SN12 are part of our normal cover for Devizes. 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 Calne and Melksham are covered on the same terms, so a house on the edge of town is no harder to book than one in the centre.

Your roof access hatches or ours

Your unit or ours, the fitting standard is the same. For supply and fit we choose a roof access hatch 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.

Included in the work

  • Hatch fixed and weathered, with the membrane dressed up the upstand
  • Electric hatches wired ready for the electrician's final connection, quoted separately
  • Gas struts or actuator fitted and adjusted for full opening
  • How far the lid opens — We check how far the lid swings open and what it swings over.
  • Safety at the roof edge — We ask how often people will use the roof and for what.

What happens on the day

On the day, you need to be in at the start and at the end. In between, the fitters get on with it. They will want the room below cleared where possible, a parking spot if you have one, and somewhere to set the unit down safely. After checking the opening and the upstand or flashing, they fix a roof access hatch, seal it and finish the inside. Packaging and any old unit leave with them unless the quote says otherwise.

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.

Getting a price from photos

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, SN10 or a neighbouring district.

Common questions in Devizes

What if my roof opening is the wrong size for the roof access hatch?

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.

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.

Do you cover Devizes?

Yes. Fitters travel to addresses in Devizes and the surrounding districts, including SN10. 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.

Ask for a quote for your Devizes roof. Survey dates are offered based on fitter availability once you are happy with the price.

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

Access hatches in Devizes

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

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