Caernarfon guide prices
Vent swap
Like-for-like certified vent and actuator, connected to the existing controls and commissioned by a smoke-control specialist
Vent with new controls
Vent plus new control panel and detection, commissioned by a smoke-control specialist
Multiple vents
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.
Is your address covered?
Distance is rarely the deciding factor. A roof in Bangor, 9 miles from Caernarfon, gets the same survey, the same written quote and the same fitting process as one in LL55, LL61 and LL56. What changes the price is the job itself: size of unit, roof type, access and lifting. Holyhead, around 19 miles out, is treated the same way.
On the day, we cover
- Existing vent, actuator and upstand surveyed with the specialist
- Certified vent and actuator matched to the opening and controls
- Old vent removed with the stairwell kept protected below
- Certified as a system — We only fit smoke vents that are certified to BS EN 12101-2.
- Upstand and weathering — We check the upstand suits the new vent and that the roof around it is sound.
A typical installation day
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 and building rules in Wales
In Wales, smoke vents must be certified products that keep the free area the building's fire strategy requires, with controls commissioned by a smoke-control specialist. Welsh guidance and building control set the detailed requirement for each building, and we confirm it before quoting.
Before you get in touch
What we cannot see, we have to guess, and guesses make quotes wider. So the more you send, the tighter the price. Useful: shots from the roof or garden, shots from the room underneath, a rough width and length, the roof finish, any access problems, and the product page if you have already ordered. Add the property postcode around LL55 and we will come back with a quote or a survey date.
Common questions in Caernarfon
What upstand height and roof pitch does smoke vent rooflight fitting need?
It depends on the product. Manufacturers usually specify a minimum upstand height above the finished roof surface, and a minimum pitch on the glass so rain runs off. We follow the maker's figures for your unit rather than a rule of thumb. If your existing kerb or roof falls short, we explain the options, such as raising the upstand or choosing a unit with built-in pitch.
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.
Will my new smoke vent rooflight 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.
Tell us your postcode, LL55 or close by, and what you want fitted. We will reply with the next steps and a quote.
