What does skylight replacement in Daventry involve?
Thinking about skylight replacement in Daventry? The short answer: replacing tired domes and failed glass with a modern rooflight. The longer answer depends on your roof, which is why we survey before we price.
Older terraced streets in Midlands towns often have back additions and side passages that suit a ridge rooflight or long flat rooflight. Typical uses for skylight replacement include older extensions due a modern rooflight.
From Daventry to Rugby, Towcester and Northampton, the same survey-first process applies: measure, specify, fix the price, then fit.
Choices for your Daventry project
- Upstand rebuild and insulation
- Like-for-like size replacement
- Fixed to electric opening
- Roof window replacement in pitched roofs
- Misted glass unit replacement only
- Cures most chronic leaks
- Usually done in a day
Before you order: points to check
- Enlarging the opening changes the structure and may need approval
- Old glass and domes are disposed of responsibly
Do you need permission in Daventry?
In England a rooflight on a house is usually permitted development under Class C if it projects no more than 150 mm beyond the roof slope and sits no higher than the ridge. A rooflight on a side-facing slope must be obscure-glazed, and fixed shut unless the opening part is more than 1.7 m above the floor.
Under Approved Document L, a rooflight added to an English home must achieve at least 2.2 W/m²K (horizontal plane), and a roof window 1.4 W/m²K or Window Energy Rating Band B. The Future Homes and Buildings Standards, published in March 2026, apply from 24 March 2027 and keep the 2.2 W/m²K limit for rooflights.
Read the planning permission guide before you commit to a design.
Skylight replacement prices in Daventry
These are typical supply-and-fit ranges. For an address in Daventry, scaffold, a hoist for heavy glass, or a new structural opening can move the figure, which is why we survey first.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Replacement with upstand rebuild and opening unit | £2,995 – £4,795 | £2,495 – £3,995 |
| Dome to flat glass upgrade Typical | £1,915 – £2,995 | £1,595 – £2,495 |
| Like-for-like glass rooflight | £1,555 – £2,155 | £1,295 – £1,795 |
How the job runs
- Send the details. Postcode, rough size and a photo of the roof and room.
- Survey. We measure the opening, check the roof build-up and agree the options.
- Agree the quote. You approve the specification and price before anything is ordered.
- Installation day. Usually one day into a prepared opening, longer for new openings.
Nearby towns
More we do in Daventry
Common questions
Will it mess up my ceiling?
We protect the room and make good the reveal. Minor decoration may be needed afterwards.
How long does a replacement take?
Usually a day for a standard rooflight on a sound upstand.
What do you do with the old unit?
We remove it from site and recycle what can be recycled.
Will I need planning permission in Daventry?
English householder permitted development (Class C) normally covers rooflights that stand no more than 0.15 m proud of the roof plane and stay below the highest part of the roof.
Do you offer skylight replacement in Daventry?
Yes. We carry out skylight replacement in Daventry and across Northamptonshire. Send your postcode and we will offer a survey date when we reply.
