BDG Contracts Ltd · retrofit subcontractor, South East England
ExternalBuildingSolutions
Trusted retrofit installation partner for main contractors, local authorities and housing associations. Delivering PAS 2030-compliant insulation, fenestration and decarbonisation projects across London and the South East through specialist teams, with FENSA certification and CIGA-backed guarantees.
About BDG
The whole envelope. One subcontractor.
Trusted retrofit installation partner for main contractors, local authorities and housing associations. Delivering PAS 2030-compliant insulation, fenestration and decarbonisation projects across London and the South East through specialist teams, with FENSA certification and CIGA-backed guarantees.
One package, fewer interfaces.
Most main contractors hand us two or three scopes — re-roof and pitched-roof insulation in one mobilisation, EWI and external decoration on the same scaffold. Fewer trades on the programme, fewer handovers to manage.
Reviewed by the bodies that count.
PAS 2030 installer, FENSA registered, CIGA approved, TrustMark government endorsed. The full list of accreditations.
§ 02What we do
Seven scopes under one roof.
Priced, installed and certified by specialist BDG teams. Click any tile to read the detail and see the installation diagram.
By the numbers
Eighteen years of delivery, measured.
Stats updated each quarter. Methodology — completed and signed-off jobs across all seven scopes, since incorporation.
- 18+
- Years installing
- 2400+
- Homes retrofitted
- 4
- Counties served
- 17
- Accreditations
Where we work
South East England, every postcode.
BDG covers Greater London, Kent, Surrey and Essex. Most pre-tender surveys happen within 5 working days of an enquiry; most packages mobilise inside three weeks of order.
Health & safety
We're working in residents' homes, with them in it. Safety isn't a poster — it's how we run the day.
— BDG site safety policy, reviewed annually
Read our H&S approachGet in touch
Tell us about the programme.
A tender package, a spec, a street list — send what you have. We come back inside one working day.