LCA logo
Member of the Lead Contractors Association

Specialist contractors committed to providing quality craftsmanship for their clients.


FTMRC logo
Member of the Federation of Traditional Metal Roofing Contractors

Organisation committed to providing quality in design and workmanship.


ISO 9001 logo
Certified to ISO 9001 Quality Management Standard

The internationally recognised standard for quality management.
View our ISO 9001 Certificate


CHAS LogoAccredited Contractor, Contractors Health & Safety Assessment Scheme
Independently assessed as compliant with CHAS standards of health and safety.


SPAB logo
Member of the Society for the Protection of Ancient Buildings
Founded by William Morris in 1877 , SPAB is the largest, oldest and most technically expert national pressure group fighting to save old buildings from decay, demolition and damage.


Prince's Foundation logo
Professional Member, The Prince’s Foundation for the Built Environment A network of highly skilled professionals dedicated to the building of a more sustainable and ecological world.


FENSA logo
FENSA Registered Company The industry standard for replacement window and door installers self-certifying compliance with the building regulations.


VMZINC logoCertified members of VMZINC
VMZINC organisation for Zinc building development projects.


Building Confidence LogoAccredited Contractor under Building Confidence
Norman and Underwood undergo a rigorous audit to assess our capability, competence and compliance in line with the Building Confidence audit protocol.


GGF LogoMember of the Glass and Glazing federation (GGF)
The Glass and Glazing Federation (GGF) represents companies that make, supply or fit, glass and glazing products in the UK and internationally.


CWCT LogoMember of the Centre for Windows and Cladding Technologies (CWCT)
The Centre for Window and Cladding Technology is a leading information provider and trainer in the field of building envelopes and glazing.


Exova Q-Mark LogoAccredited by Exova BM TRADA Q-Mark for Enhanced security in windows and doors
Exova BM TRADA Q-Mark is regarded as one of the most rigorous certification processes available for construction products and is recognised by Secure by design.