Trade associations and Professional Bodies for House Extension

Approved Trades

Architects Registration Board

BM TRADA

Building Engineering Services Association

Buy With Confidence - Trading Standards Approved

Chartered Association of Building Engineers

Chartered Institute of Building

City and Guilds

Construction Skills Certification Scheme

Constructionline

Consumer Protection Association

Elecsa

Electrical Contractors Association

European Builders Confederation

Exor

FairTrades

Federation of Master Builders

Guild of Builders and Contractors

Guild of Master Craftsmen

Independent Warranty Association - IWA

ISO 14001

ISO 9001

National Federation of Builders

National House Building Council

Norfolk Trusted Trader

RoSPA

Royal Institute of British Architects

Safemark by NHBC

The Consumer Protection Guarantee

UK Consumer Protection Agency

UK Trades Confederation

UKAS