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Doors

uPVC & Composite doors available in over 50 styles and colours.

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Windows

Modern or traditional we have the right window style to suit your requirements.

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Cladding

Stylish low-maintenance alternative to traditional weatherboarding.

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Garden Rooms

Make the most of your extra garden space with a bespoke garden room to suit your needs!

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Garage Conversions

Create additional living space and Add Value to your home!

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Glass Extensions

Extend your home and living space with a Traditional Orangery or Modern Conservatory.

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Thermaspec UK are one of the UK’s leading property improvement specialists. Based in Poole, we are dedicated to helping homeowners nationwide realise the potential of their property and make their home improvement dreams a reality. Whether you require Conservatories, Doors, Windows, Insulation, Garage Conversions, Loft Conversions, our unique 'Loft Rooms', Garden Studios, Cladding, Roofline, Flat Roofing, Thermal Image Surveys and much more -  Thermaspec UK offer a variety of product and services, each tailored to meet your needs.

With over 30 years of experience in property improvements and energy efficiency we can transform your home from top to bottom.

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Add Space, Add Value! Our Extra Living Space solutions include our unique Loft Rooms, Full Loft Conversions, Garden studios and Garage Conversions. We offer bespoke solutions to suit every home and budget!

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Great products.

Great service.

Great prices.

Quality home improvements
from a company you can trust

Windows

When it comes to energy efficiency within your home, windows play an important role in keeping heat inside your property. Upgrading your old windows to our stylish energy-efficient frames is an easy way to reduce your carbon footprint and save money.

Doors

Deciding what doors to out-fit your home with is an important decision. They need to be strong, warm and secure. Thermaspec have designed all of our doors with this in mind; we combine energy efficiency and security with beautiful finishes, every time.

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