Roof lantern installation in Finchley
For roof lantern installation in Finchley, start with the guide prices on this page, then send photos and measurements for a fixed written quote covering N3.
Price lantern fitting for Finchley
Postcode and kerb size first, then your details. We reply with a fixed written quote.
Lantern fitting for Finchley homes
Optional fitting by installers working under S&K, quoted for your postcode.
On the shortest day Finchley gets about 7h 49m of daylight, with the sun only 15.0° above the horizon at noon. Light from the sky overhead is the brightest available in winter, which is exactly what a roof lantern collects.
- Ready upstand, replacement or new opening
- Optional fitting quoted for your postcode
- Access equipment priced on survey
Delivery and fitting in Finchley
We confirm the delivery cost and date for N3 on your quote. Lanterns arrive palletised, with the glass packed separately.
Fitting in Finchley can be quoted on request by installers working under S&K, subject to cover for your postcode.
Delivery to N3 is standard mainland delivery, priced for your postcode and confirmed in writing before you order.
Roof lantern installation guide prices for Finchley
Guide prices for fitting only, by lantern size, including VAT (the lantern is priced separately):
| Lantern size | Fit to ready upstand | Replace existing lantern |
|---|---|---|
| 1500 × 1500 mm | £645 | £1,095 |
| 1000 × 3000 mm | £695 | £1,195 |
| 1500 × 2000 mm | £695 | £1,195 |
| 1500 × 2500 mm | £795 | £1,295 |
Fitting guide prices include VAT and exclude the lantern, access equipment and any roof or kerb repairs. New openings are priced after a survey. Your fixed price is confirmed in writing before work starts.
Planning and building regulations for Finchley
In England, building regulations energy guidance sets a limiting U-value of 2.2 W/m²K for new and replacement rooflights in existing homes, measured horizontally.
Planning-wise, a lantern on a new extension is judged as part of that extension, while one added to an existing roof can fall outside permitted development if it stands more than 150 mm proud.
Building regulations in Finchley are checked by your local authority building control team or a registered building control approver. Replacing a rooflight in an existing home is building work. Installers registered with a competent person scheme can self-certify; otherwise building control must be involved.
Sources: Approved Document L, GOV.UK · Planning Portal
Questions from Finchley
Do you need to survey before fitting?
For a lantern on a ready upstand, clear photos and measurements are often enough. Replacements and new openings need a survey.
How long does fitting take?
A lantern on a ready upstand is often fitted in a few hours. Replacement and new openings take longer.
How quickly can I get a roof lantern in Finchley?
Stock sizes are typically ready in 5–10 working days, made-to-measure in 3–4 weeks, plus delivery. Your quote gives the date for N3.
Can you fit a roof lantern in Finchley?
We can quote for fitting where we have cover. Send your postcode and photos of the roof and kerb, and we will confirm before quoting.