Sliding rooflights in Wandsworth: what is involved?
Thinking about sliding rooflights in Wandsworth? The short answer: box rooflights whose glass lid slides back for walk-out roof access. The longer answer depends on your roof, which is why we survey before we price.
Mansard and loft conversions are common across London, and roof windows are often set out alongside dormers on the rear slope. Think of sliding rooflights for walk-out access where a hatch would feel cramped.
Wandsworth sits about 1 km from Battersea and 2 km from Chelsea, and we cover the whole SW18 postcode district and the roads in between.
What you can choose
- Rain sensor
- Electric drive with safety edge
- Double or triple glazing
- Integrated balustrade on some ranges
- Anthracite, black or RAL frames
- Lockable from inside
- Replaces a dormer or stair enclosure on some roofs
What to check first
- Electric units need a dedicated supply and commissioning
- Needs space on the roof for the lid to slide clear
Consents for sliding rooflights in Wandsworth
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. Listed buildings need listed building consent, flats have no householder permitted development rights, and an Article 4 direction can remove the rights in some conservation areas.
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.
Our planning guide covers each nation in more detail.
Sliding rooflights prices in Wandsworth
The ranges below are typical for straightforward jobs; your fixed price follows a survey of your roof.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Large box slider with electric drive | £11,995 – £20,395 | £9,995 – £16,995 |
| Standard box slider Typical | £8,995 – £13,195 | £7,495 – £10,995 |
| Flat sliding lid | £7,195 – £9,595 | £5,995 – £7,995 |
The process, step by step
- Tell us what you have. Send the SW18 postcode, a rough size and a couple of photos.
- Free site visit. For new installs we survey free, measure and confirm the roof detail.
- Written price. You receive a fixed price listing the unit, the work and the lead time.
- Fitting and handover. We install, clean down and leave product and warranty documents.
Neighbouring towns
More we do in Wandsworth
Questions about sliding rooflights in Wandsworth
How heavy is it?
Box sliders weigh hundreds of kilograms, so delivery may need a crane or lifting gear, and the structure must be checked.
Can children open it?
Controls can be key-switched or placed out of reach. We will set the controls up to suit the household.
Does it need planning permission?
A box unit that projects above the roof plane can need planning permission, especially on the front of a house or in a conservation area. We check before you order.
How do I book a survey in Wandsworth?
Send your postcode and, if you can, a photo of the roof and the room. We offer a survey date when we reply.
Do you fit sliding rooflights in Wandsworth?
Yes. We survey and fit sliding rooflights in Wandsworth and across Greater London. Send your postcode and we will offer a survey date when we reply.
