About Clement Windows Group
Clement offers an innovative range of steel windows, doors, screens and conservation rooflights.

Clement manufactures an innovative range of steel windows, steel doors and screens for both private residences and commercial projects.
We provide a complete service – from the provision of technical drawings through to manufacture, installation and after sales support - whether your project is a traditional restoration project, one involving Listed Buildings or Conservation Areas, or a new build.
Our previous work includes prestigious heritage projects across the UK and in the USA, including well known buildings such as Bonhams in London, Norwich City Hall and the Eldorado Building in Manhattan. We take pride in our reputation for premium products, excellent craftsmanship and industry expertise and we are delighted that so many of our customers return to us time and again because they know they cannot get a better window anywhere else.
All of our windows are crafted to your bespoke design in our ISO 9001 approved factory. Produced from recycled steel and generally Part L compliant, our windows are environmentally friendly and meet the latest performance requirements for insulation, weatherproofing and security. With Clement Windows you can expect technologically advanced, yet low maintenance steel windows, which will last for many years.
Clement also supplies a selection of conservation rooflights, available from stock in either a tile or a slate profile.
Featured articles and news
New President of ECA announced
Ruth Devine MBE becomes the 112th President of the Electrical Contractors Association.
New CIAT Professional Standards Competency Framework
Supercedes the 2019 Professional Standards Framework from 1 May 2025.
Difficult Sites: Architecture Against the Odds
Free exhibition at the RIBA Architecture Gallery until 31 May.
PPN 021: Payment Spot Checks in Public Sub-Contracts
Published following consultation and influence from ECA.
Designing Buildings reaches 20,000 articles
We take a look back at some of the stranger contributions.
Lessons learned from other industries.
The Buildings of the Malting Industry. Book review.
Conserving places with climate resilience in mind.
Combating burnout.
The 5 elements of seiri, seiton, seiso, seiketsu and shitsuke.
Shading for housing, a design guide
A look back at embedding a new culture of shading.
The Architectural Technology Awards
The AT Awards 2025 are open for entries!
ECA Blueprint for Electrification
The 'mosaic of interconnected challenges' and how to deliver the UK’s Transition to Clean Power.
Grenfell Tower Principal Contractor Award notice
Tower repair and maintenance contractor announced as demolition contractor.
Passivhaus social homes benefit from heat pump service
Sixteen new homes designed and built to achieve Passivhaus constructed in Dumfries & Galloway.
CABE Publishes Results of 2025 Building Control Survey
Concern over lack of understanding of how roles have changed since the introduction of the BSA 2022.