A family business manufacturing and installing windows and doors in North Yorkshire since 1991. Not all windows are equal, and we take the quality of what we make and fit seriously.

Get in touch for a free, no-obligation quote.

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Visit Our Showroom in Thirsk

Come and see the quality of our windows and doors for yourself. We’re based at The Old School House, 26 Long Street, Thirsk, YO7 1AP.

Our team is always happy to talk through your requirements with no pressure and no hard sell.

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Windows

uPVC Windows

Casement, sliding sash, tilt and turn, bay windows, bow windows, manufactured in various options of UPVC, aluminium or timber.

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Doors

Doors

A vast selection of Composite, UPVC, French, sliding patio or bi-fold and garage doors to suit your home.

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Eurocell Skypod

Roof Lanterns

Create a stylish new living space flooded with light, our roof lanterns add the daylight to any flat roof room.

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Equinox Roofs

Solid Roofs

Is your conservatory too hot in the summer and too cold in the winter? Why not create a room for all seasons?

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Roofline

Roofline

Designed to compliment your property, we have a full range of UPVC soffits and facias available in a colour to compliment your home.

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Secondary Glazing

Secondary Glazing

Preserve the character and charm of your property with an additional defence. Retain heat, decrease external noise and add security.

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The Residence Collection Windows & Doors

Solutions for conservation areas and listed buildings with authentic timber alternatives.

We are very proud to be an approved installer of Residence R9 & R7 flush fit timber effect windows. Residence manufacture a window and
door system designed to authentically replicate 19th Century timber designs for the perfect solution for conservation areas and listed buildings.

For more information visit Residence Collection.

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Testimonials

Mrs Walker

Thank you for the excellent work on our facias and guttering. We are very pleased with the outcome and have even installed a new light to show off the front bay. The fitters were lovely, efficient and tidy workers.

Bruce

We are absolutely delighted with our new window and door. The front of our property has been transformed and we are very impressed. We would like to express our appreciation of your staff. Every person we came into contact with – office staff, workshop staff, surveyor and fitters – were all helpful, polite and professional.…

Mr & Mrs Calpin

A big thank you to everyone at New Addition for a brilliant job and well done for succeeding where another window company had failed so badly.

Pat Speight

Many thanks for a job very well done. As usual the work was done quickly and efficiently by your lovely fitters and I can not thank them enough for al your help and kindness. It has been a real pleasure doing business with you.

Mr Long

Thanks for another superb job. The windows look great and the new door is amazing after struggling with the old one for years!

Mr Titchmarsh

We would like to thank New Addition for the very efficient service throughout our recent window installation. In particular the 4 bays at the front of the house presented a significant challenge from the overall design aspect to make them look part of the house. Your quotation took account of this and your surveyor was…

Mr & Mrs Smedden

Thank you to you all for such excellent work and we are very thrilled with it all. We have managed to use it already and now starts the decorating.

Mr & Mrs Chesher

Thank you for doing our windows, they look lovely. Even my friends have commented on how good they look.

Satisfied Customer

Mark came this morning and did an excellent job of fitting the two replacement garage windows at my property. As expected, they look great, so I am very pleased with them. All very tidy and clean, what a shame the rain will come to spoil them! Many thanks for the prompt and excellent service by…

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