Bespoke & shaped rooflights for Blackheath: the essentials
For Blackheath homes and buildings we offer bespoke & shaped rooflights: triangular, angled, curved and multi-pane rooflights made to measure. We measure first, specify to the opening and confirm any planning or building-control points before quoting.
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. In Blackheath, as anywhere, bespoke & shaped rooflights are the usual choice for openings that standard sizes do not fit.
Blackheath sits about 2 km from Greenwich and 3 km from Catford, and we cover the whole SE3 postcode district and the roads in between.
Options we can specify in Blackheath
- Corner and wrap-around glazing
- Solar-control and low-iron glass
- Concealed or slim frames
- Triangular and trapezoid panes
- Sloped or monopitch rooflights
- Glass shaped to the architecture
- Matching solar and thermal performance
Before you order: points to check
- Large panes need a lifting plan
- Longer lead times and no returns on made-to-measure glass
Do you need permission in Blackheath?
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.
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. 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.
Read the planning permission guide before you commit to a design.
Guide prices for Blackheath
These are typical supply-and-fit ranges. For an address in Blackheath, 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 |
|---|---|---|
| Multi-pane or corner run | £9,595 – £17,995 | £7,995 – £14,995 |
| Single shaped pane, large Typical | £5,395 – £9,595 | £4,495 – £7,995 |
| Single shaped pane, small | £4,195 – £5,395 | £3,495 – £4,495 |
How the job runs
- 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
More we do in Blackheath
Common questions
Will a shaped rooflight leak more?
Not if detailed properly — corners and junctions just need more care.
Why does bespoke take longer?
Each unit is drawn, checked and manufactured to order.
Can I cancel a bespoke order?
Made-to-measure goods are excluded from the statutory 14-day cancellation right. As a goodwill gesture you can cancel without charge until we place the order with the manufacturer, and we tell you in writing when that happens.
Do you offer bespoke & shaped rooflights in Blackheath?
Yes. We carry out bespoke & shaped rooflights in Blackheath and across Greater London. Send your postcode and we will offer a survey date when we reply.
Will I need planning permission in Blackheath?
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.
