
A Family Firm You Can Trust
Windows, doors and conservatories fitted across Caerphilly and Cardiff by our own teams. Quality products, honest prices and work we stand behind.
Trusted by Caerphilly and Cardiff Homeowners Since 2018
We source our windows, doors, and conservatories from leading UK manufacturers with over 50 years of industry expertise, ensuring quality you can trust and results that last. As a family-run business based in Caerphilly, we're proud to bring more than 20 years of hands-on glazing experience to every project. From small home upgrades to full property transformations, we treat every job with care, transparency, and craftsmanship.
Based in Caerphilly, fitting across Caerphilly and Cardiff. We know the area, the homes and what works, no call centres, no strangers on the door.
Every installation is carried out by our own ASSURE-registered teams, certified, accountable and never subcontracted out.
Every job is backed by a written guarantee and insurance-backed deposit protection, your money and your installation are covered.
No pressure, no hidden costs. We measure, advise and hand you a fixed written quote, the price you agree is the price you pay.
Transforming Spaces with Precision-Fitted Glazing.
Glazing is what we do. The aim is to provide high quality German designed products which have been custom made here in Wales and are made to last. We fit windows, doors (including bi folds), conservatories and conservatory roofs as well as carports bifold doors always focusing on the right goal which is quality installation. Always constantly looking to find the right solutions for our customers.
01Our Commitment to a Seamless Process.
We come to you and present our products: windows, doors, conservatories, bifold doors, solid roofs. We discuss your requirements with you and provide all the information you need to choose the products you are happy with. We will give you a no obligation quote after doing measurements for your chosen products. Once you have agreed to the quoted price, we will come back with a contract to be signed and a deposit will be paid. We will place your order and give you an estimated time for the products to be ready. As soon as the products have arrived we will contact you for a convenient installation date. Once the installation is completed we will review the work with you. After you have paid the outstanding balance we will provide you with a certificate of guarantee and a certificate of compliance.
02Mission

Daimant has been providing top-notch double glazing solutions, sourcing products from manufacturers with over 50 years of experience in improving quality. We are committed to offering products that deliver superior performance, longevity, and energy efficiency for homeowners across the Caerphilly and Cardiff."
Our Values

Customer satisfaction, quality, and sustainability. Our mission is to help our customers reduce their energy consumption, improve their home's security, and enjoy a more comfortable living environment. We believe in providing products that are both eco-friendly and cost-effective.
Why Choose Us

Highlight what makes you different from competitors. From expert installation to exceptional customer service, we pride ourselves on providing a hassle-free experience from start to finish."
Areas We Cover
We cover these areas: Caerphilly, Cardiff, Newport, Barry, Penarth, Bridgend, Pontypridd, Cwmbran, Pontypool and Blackwood.
