Two Skylights.
Twice the Light.
A pair of thermally broken aluminium flat roof skylights installed on a central London property — precision-fitted flush to the felt roof with sealed upstands.
The Brief
Daylight Through a Flat Roof
Flat roof properties in London often struggle with natural light — the roof is the only option when you can't add windows to the walls. This client had recently had a flat roof covering renewed and wanted to take the opportunity to add two skylights while access was easy.
Two aluminium-framed flat roof skylights were surveyed, ordered and installed — thermally broken frames to minimise heat loss, double-glazed units with a neutral solar control coating to manage summer heat gain. The upstands were built up and flashed to match the new felt covering.
The result floods the room below with natural light across two points in the ceiling — a significant quality-of-life improvement for a top-floor flat.
Scope of Works
Roof Survey
Full assessment of the flat roof structure, felt covering, and ceiling below to determine optimal skylight positions
Two Aluminium Skylights
Thermally broken frames with double-glazed solar control units — minimising heat loss and summer overheating
Upstand Construction
Upstands built to correct height and lead-flashed to ensure watertight seal against the felt covering
Interior Finish
Clean plasterboard reveals to frames — no raw edges, ready to decorate
Project Details
Location
Central London
Property
Residential flat — top floor
Skylights
2 × aluminium flat roof units
Frame
Thermally broken aluminium
Glazing
Double glazed, solar control coating
Flashing
Lead-dressed upstands to felt roof
The Outcome
“Skylights on a flat roof are one of the best investments for a top-floor property. Two well-positioned units transform a dark room — and properly flashed, they'll outlast the roof covering beneath them.”
— AA Windows & Doors
Flat Roof?
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