NHBC is the UK's leading standard-setting body and provider of warranty and insurance for new homes.

The National Federation of Builders provides business and policy support to builders, contractors and house builders across England and Wales. For companies involved in the building and construction industry the NFB provides vital resources in key areas, helps members to win work and saves them time and money so that they can focus on their primary task - construction.

RIBA champions better buildings, communities and the environment through architecture and it's members. They provide the standards, training, support and recognition that put our members in the UK and overseas at the peak of their profession. With government, they work to improve the design quality of public buildings, new homes and new communities.

The National Heritage Training Group (NHTG), supported by the CITB, is a voluntary organisation responsible for co-ordinating the ongoing development and delivery of traditional building crafts training and qualifications in the heritage sector of the UK.

The Georgian Group campaigns against the neglect, maltreatment and destruction of Georgian buildings, parks and gardens in England and Wales. The Group also seeks to promote the enjoyment and understanding of Georgian heritage by an active programme of education and publications.

Heritage of London Trust works across all London’s boroughs to restore buildings of historic or architectural interest for public enjoyment. The Trust offers funding and conservation advice and works with owners and local authorities to deliver projects.

The National Trust for Jersey is an independent and charitable organisation dedicated to preserving and safeguarding sites of historic, aesthetic and natural interest for the benefit of the island.

The Health and Safety Executive (HSE) is Britain’s national regulator for workplace health and safety. We are dedicated to protecting people and places, and helping everyone lead safer and healthier lives. Our role goes beyond worker protection to include public assurance. We work to ensure people feel safe where they live, where they work and, in their environment.

The Centre for Window & Cladding Technology is an industry-sponsored research and education organisation. It provides training and education for those involved in the design, fabrication and installation of cladding and curtain walling. The centre undertakes research funded by industry and by government and gives technical advice to its members.

The NHIC represents the most important body of companies and organisations that work in the home improvement sector and they earnestly believe in higher standards of materials and workmanship, backing this with codes of practice, guarantees and warranties.