What do sliding rooflights in Croydon involve?
Thinking about sliding rooflights in Croydon? 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. In Croydon, as anywhere, sliding rooflights are the usual choice for walk-out access where a hatch would feel cramped.
Neighbouring towns include South Croydon (2 km) and Wallington (4 km). We offer a survey date when we reply to your enquiry.
Choices for your Croydon project
- Integrated balustrade on some ranges
- Double or triple glazing
- Electric drive with safety edge
- Box (glazed sides) or flat sliding lid
- Rain sensor
- Electric operation with safety stops
- Lockable from inside
What to check first
- Electric units need a dedicated supply and commissioning
- Weight and point loads need a structural check
Consents for sliding rooflights in Croydon
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.
Building Regulations Approved Document L sets a limiting U-value of 2.2 W/m²K for new or replacement rooflights in existing homes, measured in the horizontal plane; roof windows need 1.4 W/m²K or a Band B energy rating. 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.
What do sliding rooflights cost in Croydon?
Guide prices for sliding rooflights in Croydon are the same as anywhere we work — what changes the price is the job: access, structure, scaffold and finishing.
| 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 |
What happens next
- Send the details. Postcode, rough size and a photo of the roof and room.
- Free site visit. For new installs we survey free, measure and confirm the roof detail.
- Fixed quote. Product, work and price in writing — nothing is ordered until you agree.
- Installation day. Usually one day into a prepared opening, longer for new openings.
Neighbouring towns
Related work in Croydon
Common questions
Is it lockable?
Yes. Units lock from inside and the drive holds the lid closed.
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.
What if it is raining?
Fitted with a rain sensor, an electric unit closes automatically. Most also have a manual override for power cuts.
Do you fit sliding rooflights in Croydon?
Yes. We survey and fit sliding rooflights in Croydon and across Greater London. Send your postcode and we will offer a survey date when we reply.
Is the survey in Croydon free?
Yes for new installations. Repair visits are charged, and we tell you the price before we book.
