How we approach conservation rooflights in Twickenham
Our conservation rooflights service in Twickenham covers slim, low-profile steel-look rooflights for period and listed roofs. Every job starts with a survey of the opening, the roof covering and the room below, and a fixed written price.
Many London roofs are reached only through the house or over neighbouring property, so lifting heavy glass is planned at survey rather than on the day. Conservation rooflights suit period, listed and conservation-area roofs.
Jobs in Twickenham are planned around access: whether the roof can be reached from the garden, whether a hoist or crane is needed, and where we can park. We check this when we measure.
Options we can specify in Twickenham
- Flashings for slate or plain tile
- Blinds
- Manual or electric opening
- Central vertical glazing bar
- Toughened or laminated double glazing
- Traditional slim profile, sits low in the roof
- Suits slate and plain-tile roofs
What to check first
- Listed building consent is needed for listed buildings
- Projection above the roof line is limited — usually as flush as possible
Planning, building control and Twickenham
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.
For English homes the energy rules ask for rooflights of 2.2 W/m²K or better and roof windows of 1.4 W/m²K (or WER Band B); most modern double glazed units meet both. 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.
Conservation rooflights prices in Twickenham
Prices below are shown including and excluding VAT. In Twickenham, as elsewhere, making good inside and access equipment are the main variables.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Large or electric conservation rooflight | £2,755 – £4,195 | £2,295 – £3,495 |
| Standard conservation rooflight Typical | £2,035 – £2,755 | £1,695 – £2,295 |
| Small conservation rooflight | £1,795 – £2,155 | £1,495 – £1,795 |
How the job runs
- Get in touch. Use the form, WhatsApp or the guide-price tool with your Twickenham address.
- 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.
Conservation rooflights near Twickenham
More we do in Twickenham
Questions about conservation rooflights in Twickenham
Can they open?
Yes, most are top-hung or side-hung for ventilation and cleaning, with manual or electric operation.
Do I need consent for a conservation rooflight?
On a listed building you need listed building consent. In a conservation area, check with the council — many areas have Article 4 directions affecting roof alterations.
Do they suit slate roofs?
Yes — flashings are made for slates and for plain tiles.
Will I need planning permission in Twickenham?
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 fit conservation rooflights in Twickenham?
Yes. We survey and fit conservation rooflights in Twickenham and across Greater London. Send your postcode and we will offer a survey date when we reply.
