Frameless structural rooflights in Hounslow: what is involved?
Our frameless structural rooflights service in Hounslow covers minimal glass rooflights with no visible frame from inside. Every job starts with a survey of the opening, the roof covering and the room below, and a fixed written price.
Mansard and loft conversions are common across London, and roof windows are often set out alongside dormers on the rear slope. Frameless structural rooflights suit architect-led extensions and long slots of light over islands or along party walls.
Neighbouring towns include Isleworth (1 km) and Twickenham (3 km). We offer a survey date when we reply to your enquiry.
Specification options
- Solar-control coatings
- Low-iron extra-clear glass
- Shadow-gap or plastered reveal
- Butt-jointed runs for long openings
- Heated glass on some ranges
- Can run along party walls and side returns
- Double or triple glazed structural units
Things we check at survey
- Tolerances are tight — the opening must be built square and to size
- Large panes need lifting gear and access planning
Consents for frameless structural rooflights in Hounslow
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. 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. Replacing a rooflight or roof window can be self-certified by an installer registered with an authorised competent person scheme; otherwise building control approval is needed.
See our building regulations guide for U-values, glazing limits and self-certification.
What do frameless structural rooflights cost in Hounslow?
The ranges below are typical for straightforward jobs; your fixed price follows a survey of your roof.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Long-format or jointed run | £6,595 – £11,995 | £5,495 – £9,995 |
| Large single pane Typical | £4,795 – £7,195 | £3,995 – £5,995 |
| Standard frameless unit | £3,595 – £4,795 | £2,995 – £3,995 |
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.
- 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
Other services in Hounslow
Common questions
Can a frameless rooflight be walked on?
Only if it is specified as a walk-on unit. Most frameless rooflights are for light only.
Does it cost more?
Usually, because the glass is larger and heavier and the finish needs tighter tolerances. The price table shows typical ranges.
Can it open?
Some frameless designs include a sliding or hinged opening element, but most are fixed. Pair with an opening unit if you need ventilation.
Can you work alongside my builder in Hounslow?
Yes. On new extensions we fit once the opening and upstand are ready and coordinate dates with your builder.
Do you fit frameless structural rooflights in Hounslow?
Yes. We survey and fit frameless structural rooflights in Hounslow and across Greater London. Send your postcode and we will offer a survey date when we reply.
