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Kempston · MK42 · Bedfordshire

Smoke vent rooflight installation in Kempston

A rooflight is not finished when the roof is watertight. The inside matters too: the reveal or lining around the opening, the plaster, the trim where it meets the ceiling. Some installers leave that for somebody else. When we quote for smoke vent rooflight installation in Kempston, internal finishing is listed so you can see whether it is included or left for your decorator. That way a smoke vent rooflight looks right from the room below as well as from outside. We cover Kempston and properties throughout Bedfordshire.

Guide price from £3,595 · Supply & fit; controls and commissioning by a smoke-control specialist

Guide prices in Kempston

Vent swap

£3,595 – £6,595including VAT at 20%

Like-for-like certified vent and actuator, connected to the existing controls and commissioned by a smoke-control specialist

Vent with new controls

£5,745 – £9,595including VAT at 20%

Vent plus new control panel and detection, commissioned by a smoke-control specialist

Multiple vents

£9,595 – £17,995including VAT at 20%

Several stairwells or larger systems, priced from a survey

Guide ranges for supply & fit; controls and commissioning by a smoke-control specialist. 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 MK42 and neighbouring districts

Covering Kempston means covering the people who live and work there, not a single postcode. We take on domestic and commercial jobs in MK42, MK40 and MK43, and are happy to quote further out in Bedford and Ampthill. 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.

On the day, we cover

  • Certified vent and actuator matched to the opening and controls
  • Controls, detection and wiring handled by the smoke-control specialist
  • Existing vent, actuator and upstand surveyed with the specialist
  • Free area at the stair head — We check the free area the vent must provide before choosing a replacement.
  • Fire rules near escape routes — We check the roof around the vent for fire rules that affect it.

How a fitting day runs

Arrive and agree the plan. Sheet the floor and furniture. Set up the ladder, tower or scaffold. Check the opening, the upstand or flashing, and the unit against the paperwork. Fix and pack a smoke vent rooflight level. Seal it into the roof. Line the reveal or fit the ceiling trim. Clean the glass, clear the waste, and talk you through it. That is the shape of most fitting days, and for this type of job it usually takes one to two days per vent.

Planning, building control and Kempston

In England, smoke vents for common stairs must be certified to BS EN 12101-2, provide the free area the fire strategy requires (Approved Document B calls for at least 1 m² at the top of a common stair), and have backup power. Smoke vents have their own energy limit, commonly 3.5 W/m²K. Controls and commissioning are handled by a smoke-control specialist, and building control is involved where the system changes.

Getting a price from photos

Each detail you send takes a question off our list. Photos inside and out show the opening and the ceiling. Rough measurements tell us the unit size. The roof covering tells us how it will be sealed in. Access notes tell us whether a tower or scaffold is needed. A product link, if you have one, lets us check it against the opening. Your postcode, MK42 or nearby, confirms travel.

Common questions in Kempston

Do you cover Kempston?

Yes. Fitters travel to addresses in Kempston and the surrounding districts, including MK42. 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 smoke vent 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 commercial rooflights need planning permission?

Like-for-like replacements on commercial buildings rarely need planning permission. New or larger rooflights on non-domestic buildings and blocks of flats usually need checking with the planning authority, because householder permitted development rights don't apply. We tell you what we know about your building and point you to the right team.

Ask for a quote for your Kempston 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

Smoke vents (AOV) in Kempston

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

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