What do frameless structural rooflights in Portslade involve?
Our frameless structural rooflights service in Portslade 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.
Period cottages and conservation-area streets are common in the South East, so slim conservation rooflights are often the right choice. In Portslade, as anywhere, frameless structural rooflights are the usual choice for architect-led extensions and long slots of light over islands or along party walls.
We work across East Sussex, including Portslade, and in neighbouring towns such as Hove and Brighton. Access, parking and how the glass reaches the roof are all checked at the survey.
Specification options
- Solar-control coatings
- Shadow-gap or plastered reveal
- Heated glass on some ranges
- Triple glazing
- Butt-jointed runs for long openings
- Double or triple glazed structural units
- Solar-control and low-iron glass options
Things we check at survey
- Large panes need lifting gear and access planning
- The internal finish (plaster, shadow gap) is agreed before order
Do you need permission in Portslade?
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. 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. 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.
Frameless structural rooflights prices in Portslade
These are typical supply-and-fit ranges. For an address in Portslade, scaffold, a hoist for heavy glass, or a new structural opening can move the figure, which is why we survey first.
| 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 |
From enquiry to finished job
- Get in touch. Use the form, WhatsApp or the guide-price tool with your Portslade address.
- Measure and check. A surveyor visits Portslade, measures and checks structure and access.
- Agree the quote. You approve the specification and price before anything is ordered.
- Fit and make good. We fit, seal, test and finish the reveal, then hand over the paperwork.
Frameless structural rooflights near Portslade
Other services in Portslade
Frameless structural rooflights in Portslade: questions
Will I see the edge of the glass?
From inside, the reveal is finished up to the glass so the edge is hidden. From outside you will see the glass and its edge seal.
Is frameless glass as strong as a framed rooflight?
Yes — it is structural glass designed for the job. The support is hidden rather than missing.
Can a frameless rooflight be walked on?
Only if it is specified as a walk-on unit. Most frameless rooflights are for light only.
Can you work alongside my builder in Portslade?
Yes. On new extensions we fit once the opening and upstand are ready and coordinate dates with your builder.
Will I need planning permission in Portslade?
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.
