§ 05Certifications & accreditations
Reviewed by the bodies main contractors ask after.
Seventeen active accreditations. Each one has us on their book; renewal dates and reference numbers are the same ones we put on every tender return. Happy to share copies on request.
Installer standards
The registrations that let us install, self-certify and guarantee our work — including funded retrofit.
09 of 17 accreditations
01 · TrustMark
TrustMark — Government Endorsed Quality Scheme
Independent oversight of workmanship, customer service and trading standards on every retrofit job.
02 · PAS 2030 / 2035
PAS 2030:2023 + PAS 2035:2023 installer
Installer certification for energy-efficiency measures, with a registered retrofit coordinator on every PAS 2035 job.
03 · FENSA
FENSA Approved Installer
Replacement window and door notifications issued directly to Building Control. Certificate to the client within 14 days.
04 · CIGA
CIGA 25-year Guarantee Issuer
Independent 25-year guarantee on every cavity wall insulation install we complete.
05 · SWIGA
SWIGA — Solid Wall Insulation Guarantee Agency
Registration with the Solid Wall Insulation Guarantee Agency, providing independent guarantees on solid-wall insulation.
06 · BBA
BBA CPS Installer
British Board of Agrément certification of BDG as an approved installer under the BBA Certified Products Scheme.
07 · IIAA
Independent Installation Assurance Authority
Registration with the Independent Insulation Assurance Authority, providing independent inspection and guarantees on insulation installations.
08 · CWISC
Cavity Wall Insulation Self-Certification Scheme
Membership of CWISC, covering competent self-certified installation of cavity wall insulation.
09 · QANW
Quality Assured National Warranties
Independent insurance-backed guarantees on our installations, issued through Quality Assured National Warranties.
Quality & safety
Third-party audits of our management systems — and the pre-qualification registers built on them.
06 of 17 accreditations
10 · CHAS
CHAS Premium Plus Accreditation
Construction H&S Assessment Scheme — audited annually against the SSIP core criteria.
11 · Constructionline
Constructionline Gold
Pre-qualification for local-authority and housing-association work.
12 · ISO
ISO 9001:2015 — Quality Management
Quality management system audited by Lloyd's Register.
13 · SafeContractor
SafeContractor Approved
Health & safety accreditation reviewing our policies, risk assessments and safe systems of work — recognised across the industry under SSIP.
14 · SSIP
Safety Schemes in Procurement
Our health & safety assessment is recognised across all SSIP member schemes — one audit, accepted by every scheme in the forum.
15 · British Assessment Bureau
British Assessment Bureau — Certification
Independent certification body auditing our management systems against recognised international standards.
Trade bodies
Industry bodies we're registered with — standards, training and representation.
02 of 17 accreditations
16 · NFRC
NFRC — National Federation of Roofing Contractors
Membership of the National Federation of Roofing Contractors, the UK's largest roofing trade association.
17 · CITB
Construction Industry Training Board
Registration with the CITB, supporting workforce training, skills development and card-scheme compliance.
Get in touch
Letting an ECO4 or GBIS package?
We're TrustMark and PAS 2030 registered for the current schemes. Send the lodgement and we'll price the install.