Skylight replacement for Runcorn: the essentials
Skylight replacement in Runcorn means replacing tired domes and failed glass with a modern rooflight. We cover the WA7 district and the rest of Cheshire, with a survey before any price is fixed.
Converted mills and warehouses in the North West often have large rooflights or glass roofs that need specialist replacement. Skylight replacement suits yellowed domes, misted glass and leaking roof windows.
We work across Cheshire, including Runcorn, and in neighbouring towns such as Widnes and Halewood. Access, parking and how the glass reaches the roof are all checked at the survey.
Specification options
- Misted glass unit replacement only
- Dome to flat glass upgrade
- Like-for-like size replacement
- Upstand rebuild and insulation
- Fixed to electric opening
- Often reuses the existing opening
- Usually done in a day
Before you order: points to check
- Old glass and domes are disposed of responsibly
- A replacement is a chance to meet current thermal standards
Planning, building control and Runcorn
Most rooflights on English houses do not need planning permission, provided they keep within 150 mm of the roof surface and below the ridge line. 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. In an extension, glazing including rooflights is normally limited to 25% of the new floor area plus any windows or doors the extension covers, unless a whole-house calculation shows otherwise.
See our building regulations guide for U-values, glazing limits and self-certification.
Skylight replacement prices in Runcorn
Prices below are shown including and excluding VAT. In Runcorn, as elsewhere, making good inside and access equipment are the main variables.
| 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
- Tell us what you have. Send the WA7 postcode, a rough size and a couple of photos.
- Survey. We measure the opening, check the roof build-up and agree the options.
- Written price. You receive a fixed price listing the unit, the work and the lead time.
- Fit and make good. We fit, seal, test and finish the reveal, then hand over the paperwork.
Nearby towns
More we do in Runcorn
Skylight replacement in Runcorn: questions
Will it mess up my ceiling?
We protect the room and make good the reveal. Minor decoration may be needed afterwards.
Do I need building regulations approval to replace a rooflight?
Replacements in existing homes generally need to meet current thermal standards and may need notification or approval. We advise on the route for your job.
What do you do with the old unit?
We remove it from site and recycle what can be recycled.
Do you offer skylight replacement in Runcorn?
Yes. We carry out skylight replacement in Runcorn and across Cheshire. Send your postcode and we will offer a survey date when we reply.
Do I need to be at home for the survey in Runcorn?
Yes — someone needs to let us into the room below and, where possible, show us how the roof is reached.
