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Our Range
- Our Brands
  - Apeer
    - A superb range of GRP composite doors, with styles ranging from the very traditional to cutting edge contemporary, made to the highest security and thermal efficiency standards.
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  - Bereco
    - Exceptional and sustainable hardwood and softwood windows and doors featuring the finest ironmongery and the world's most advanced coatings for maximum longevity.
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  - Internorm
    - Industry leading windows and doors for your dream home - in uPVC, composite uPVC/aluminium and composite timber/aluminium.
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  - Lumi Seamless Glazing
    - Frameless - a revolution in glazing, more light without compromising on energy efficiency, a design-led choice for contemporary high-end builds.
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  - Rationel
    - One of Europe's leading window and doors brands, with an unrivaled reputation for quality and innovation, and styles to suit every home.
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  - Rehau
    - REHAU - market leading uPVC windows and doors in the widest range of colours and styles that will suit and enhance any home.
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  - Residence Collection
    - The original 'timber replacement' windows, designed to replicate the look of wooden windows but with the benefits of modern materials and enhanced security and thermal properties.
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  - Roseview
    - The UK's leading uPVC sash window manufacturer, offering the ultimate modern replacement to traditional timber sash windows.
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  - Solarlux
    - Widely specified by architects and designers worldwide, Solarlux manufacturers a range of superb quality home improvements that we call 'architecture in glass'.
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  - VELFAC
    - With 50 years expertise, VELFAC is now the UK's leading bespoke manufacturers of composite windows and doors.
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- Doors
  - PVCu Composite Entrance Doors
    - Composite doors combine multiple materials to achieve the best combination of style, strength, performance and price.
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  - Hardwood Entrance Doors
    - Nothing surpasses the sheer beauty of a natural hardwood door, and a Peninsula door stands out from the rest with a host of elegant design touches.
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  - Aluminium Entrance Doors
    - Aluminium doors offer the perfect combination of style, security and durability; and no entrance is too large.
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  - Bi-Folding Doors
    - Bi-Folding doors are made of multiple individual panels that glide quietly and open smoothly with unobstructed views when open and closed.
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  - Sliding Patio Doors
    - Sliding patio doors offer you the largest uninterrupted glazed door option for your home and do not take any room from your patio or living space.
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  - View all Doors
- Windows
  - PVCu Windows
    - Quality PVCu windows from Peninsula Home Improvements - FENSA approved with a ten year guarantee.
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  - Hardwood Windows
    - Hardwood windows combine quality engineering with beautiful design, whether for a traditional or modern home, or even a listed building.
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  - Aluminium Windows
    - Aluminium windows have exceptional energy performance, with sleek lines and wide range of finishes and colours offering a highly customisable glazing solution.
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  - Vertical Sliding Windows
    - Period style sash windows that combine Victorian design and elegance with modern materials and performance characteristics.
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  - FlushSash Casement Windows
    - An affordable alternative to aluminium windows; high-end contemporary looks combined with the best thermal and acoustic properties.
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  - Secondary Glazing
    - Benefit from increased thermal insulation and noise reduction without changing your period windows, ideal for listed buildings.
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- Living Spaces
  - Wintergardens
    - A wintergarden is a modern alternative to a conservatory or orangery; elegant with individual characteristics, bring the outside into your home.
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  - Orangeries
    - Reflecting the classic lines of traditional orangeries in a range of high-end conservatories designed to extend living space and compliment modern lifestyles.
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  - SkyRoom Aluminium Conservatories
    - Bridging the gap between an orangery and a conservatory, a SkyRoom gives you the appearance of an orangery with the modern slim profile of aluminium.
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  - Conservatories
    - The ideal way to extend and enhance your living space, creating a light and airy environment you can enjoy all year round.
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  - Lean-Tos
    - The lean-to offers a fresh take on the glass living space; designed to add a sleek and modern angle to any home.
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  - Roof Lanterns
    - Roof lanterns are a great way of adding light into an existing roof structure or in newly built extension, transforming living spaces.
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  - LivinRoof
    - Seamlessly combining solid and glazed roofing, extending your living space to give you a room that you can use all year round.
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  - Solid Warm Roofs
    - The Celsius Solid Roof is constructed using structural insulated panels interlocked together to form a strong, highly insulated structure.
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  - Glass Atriums
    - With a Solarlux glass canopy designed and built by Peninsula, you can take pleasure in your garden or patio all year round, whatever the weather.
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  - Verandas
    - A Peninsula veranda is a stylish and contemporary addition to your home, creating a whole new living space that transforms the outside of your property.
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- Outdoor Living
  - Solarlux Glass Houses
    - Blur the line between the indoors and outdoors, and create an elegant outdoor living space you can enjoy all year around.
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  - Solarlux Acubis
    - Take a look at the ultimate expression of outdoor living, the exquisite Solarlux Acubis Glass House system, a first in the UK through Peninsula.
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  - Glass Atriums
    - With a Solarlux glass canopy designed and built by Peninsula, you can take pleasure in your garden or patio all year round, whatever the weather.
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  - Verandas
    - A Peninsula veranda is a stylish and contemporary addition to your home, creating a whole new living space that transforms the outside of your property.
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  - Awnings
    - A Markilux designer awning supplied by Peninsula will create an al fresco haven suited to practically any terrace, patio or balcony.
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  - Furniture & BBQs
    - Complement and personalise your Peninsula Outdoor Living space with a range of quality conservatory and outdoor living furniture and BBQs.
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  - View all Outdoor Living
- Glass Balconies & Balustrades
- Garden Pods
- Design & Build
- Care & Maintenance
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- Cymraeg

Peninsula Blog

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Peninsula Blog Archive December 2024

Archive of news and events from Peninsula Home Improvements...

What Are U-Values, and Why Are They Important When Choosing New Windows and Doors?

December 04 2024

When considering new windows and doors for your home or project, there’s a lot to think about—style, durability, materials, and more. But one of the most important factors to consider is the U-value. If you’ve ever wondered what U-values are, why they matter, and how they can benefit your property, you’re in the right place! Let’s break it down.

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Recent Blog Posts

What Are U-Values, and Why Are They Important When Choosing New Windows and Doors? - December 04 2024
What are the benefits of passivhaus windows and doors? - October 23 2024
benefits of triple glazing - January 23 2024
The Top 5 Factors to Consider When Selecting a Conservatory Company - May 04 2023
Choosing the right glazing - April 21 2023
Sliders vs Bi-folds - October 26 2022
Award Winners - November 17 2021
Our commitment as we navigate Coronavirus (COVID-19) - March 18 2020
Stock Car Racing Sponsorship - August 01 2019
Three years on the run - July 31 2019
New Team T-shirts for Menai Bridge Crown Green Bowling Club - July 30 2019
A sad farewell - July 29 2019
Daily Post School Awards - July 29 2019
Al fresco living with Peninsula and Markilux Awnings - July 29 2019
Abersoch Sensation feature - May 15 2019
Fron Goch Atrium opening - March 27 2019
Aluminium Link Corridor - March 25 2019
The Oval Zone Rugby Magazine thanks Peninsula - March 04 2019
Peninsula introduces new Markilux Awnings - March 04 2019
Daily Post welcomes Peninsula Windows to new Business Partnership scheme - February 22 2019

Peninsula Blog Archive

Blog Archive

View full blog archive

You can read about how we have improved homes using the products on this page in our blog and case studies:

What Are U-Values, and Why Are They Important When Choosing New Windows and Doors? - December 2024
What are the benefits of passivhaus windows and doors? - October 2024
benefits of triple glazing - January 2024
Choosing the right glazing - April 2023
Sliders vs Bi-folds - October 2022
Our commitment as we navigate Coronavirus (COVID-19) - March 2020

Thank you very much for the work. The sliding sash windows are wonderful and the standard of workmanship was very high. I look forward to coming back to Peninsula for a front door soon.
Miss Owen, Penygroes, Gwynedd

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