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Business Details
7 Years
experience
Expert Metal Windows & Doors in Hampshire
Met Therm Windows is a family-run business specialising in handmade metal windows and doors, combining traditional aesthetics with modern energy efficiency. Our AG210 range offers the slimmest thermally broken A+10 rated windows, ideal for replacing steel casement windows in both traditional and contemporary properties. Compliant with Part L 2022 and Part Q/PAS 24 standards, our products feature multipoint locking systems, polyester powder-coated frames, and up to a 10-year guarantee.

With decades of experience in the replacement steel windows industry, our team provides bespoke solutions, including custom hinges, handles, glazing, and dual-colour finishes. We pride ourselves on delivering expert installations with minimal disruption, serving residential clients across Hampshire, Surrey, and West Sussex. Our commitment to quality ensures clients enjoy enhanced thermal efficiency, security, and reduced maintenance while preserving the character of their properties.
Services
Metal Windows Metal Doors Replacement Windows Bespoke Windows Energy-Efficient Windows
Details
  • Year established: 2019
Highlights and features
  • We offer 20+ years of experience in replacement steel windows.
  • Our AG210 range combines traditional aesthetics with A+10 energy efficiency.
  • We provide bespoke customisation options for windows and doors.
  • Our expert installers ensure minimal disruption during installations.
  • We guarantee up to 10 years on thermally broken metal products.
What people say
Excellent service Top quality product Smooth and efficient process Highly recommend Minimal disruption
Services
Metal Windows
Our AG210 metal windows combine traditional slimline aesthetics with modern thermal efficiency. Designed for new builds and replacements, these A+10 rated windows feature durable aluminium frames with thermal breaks. They improve insulation while maintaining the classic look of original steel windows, ideal for period properties and contemporary homes.
Metal Doors
Thermally broken metal doors offering security and style. Our doors match the AG210 window range, providing consistent aesthetics with multipoint locking systems. Suitable for residential properties requiring enhanced insulation without compromising on traditional design elements.
Replacement Windows
Specialist replacements for steel casement windows including W20, W30, and Crittall-style models. Our solutions maintain original architectural character while improving energy efficiency, security, and maintenance requirements through modern composite materials.
Bespoke Windows
Tailored window solutions with custom frame colours, hinges, handles, and glazing options. We create made-to-measure windows that match specific architectural requirements while ensuring thermal performance and compliance with current building regulations.
Energy-Efficient Windows
A+10 rated windows designed to reduce heat loss and improve home comfort. Featuring advanced thermal breaks and double glazing, these windows meet Part L 2022 standards, helping lower energy bills while maintaining traditional aesthetics.
Questions
What types of windows does Met Therm offer?
We specialise in A+10 rated metal windows and doors, including replacements for Crittall-style steel windows and bespoke designs for traditional or contemporary properties.
Are Met Therm windows energy efficient?
Yes, our AG210 range features thermally broken frames and double glazing, achieving A+10 energy ratings to improve insulation and reduce heating costs.
Do you offer installation services?
Yes, our experienced team provides professional installations with minimal disruption, ensuring precise fitting for new builds and replacement projects.
Can I customise my windows?
Yes, we offer bespoke options including frame colours, hinges, handles, and glazing to match your property's style and personal preferences.
Which areas do you serve?
We operate across Hampshire, Surrey, West Sussex, and the wider UK, providing windows and installation services for residential properties.