Can you overlay an existing flat roof on a Kirkby-in-Ashfield extension?
Sometimes — but only when the deck is genuinely sound. We inspect the substrate first before recommending overlay vs. full strip on any Kirkby-in-Ashfield property.

Nottinghamshire · NG17
A failing flat roof on a Kirkby-in-Ashfield extension usually shows up first as a stained ceiling below. Across NG17 we strip, re-deck where needed, and install EPDM, GRP or felt — picked for the specific roof, not the cheapest option. Coverage extends through Annesley Woodhouse, Nuncargate.
Sometimes — but only when the deck is genuinely sound. We inspect the substrate first before recommending overlay vs. full strip on any Kirkby-in-Ashfield property.
It depends on the deck, falls and budget. We price EPDM, GRP and felt side-by-side for Kirkby-in-Ashfield homes so you can compare honestly.
EPDM and GRP installed properly across Kirkby-in-Ashfield routinely last 25–30 years; torch-on felt 15–20. The detailing at upstands and outlets matters as much as the material in NG17.
For domestic extensions across Kirkby-in-Ashfield, EPDM rubber is our most-recommended system — it copes well with exposed western aspect picks up driving rain off the Derbyshire hills and detailing around upstands is straightforward.
Yes — when we strip back a flat roof in NG17 we can upgrade the insulation to current standards, which makes a real difference to the room below.
BJB Roofing & Exteriors offers EPDM rubber, GRP fibreglass and torch-on felt flat roofs for extensions, garages and dormers across Kirkby-in-Ashfield and the surrounding NG17 area — including Annesley Woodhouse, Nuncargate, Jacksdale. Every job starts with a free written quote and is backed by a workmanship guarantee.
Local landmarks: Portland Park, the Mill Adventure Base and the Kirkby tram terminus.
Call BJB Roofing today for honest advice and a free, no-obligation quote.