Vertical Sliders

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uPVC Vertical Sliding Sash Windows in Lincolnshire

Vertical sliders are perfect for you if you have an older property: they provide elegance and charm as the wise choice for replacement windows in your period property. This window gives a real timber appearance without the cost, being cleverly made from more affordable uPVC.

At The Happy Window Company, we offer ECOSlide’s vertical sliders due to their excellent reputation. These windows have sleek and slim profile sections to give you the best views, inside and out, as well as being extremely low maintenance – only a quick wipe with a damp cloth is needed to keep them in perfect condition.

All of this is possible whilst still offering you the flexibility to choose the same stylish features of original timber sash windows: sash horns or plant-on horns; astragal bars or Georgian bars – these windows can be easily made to fit your specification.

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Why Choose Us

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40+ Years' Experience

Our team have a combined experience of over 40 years within the window and door industry so you know you are in safe hands

10 Year Guarantee

Every installation by the Happy Window Company comes complete with a 10-year comprehensive guarantee as standard

No Pressure Sales

We do not adopt any pressure tactics; we pride ourselves on offering honest products at an honest price

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Excellent Aftercare

We have a dedicated aftercare team that are always on hand to answers any questions you may have post-installation

What Our Customers Say

The Happy Window company has provided an excellent service at an excellent cost, replacing all our doors and windows. In particular they have provided a bespoke arrangement for the front door. Paul, the installer was friendly, efficient and consulted us at each stage of the installation to make sure that we were happy. When he had finished he cleaned up and ensured that all was to our satisfaction.

D Barber

The Happy Window Company provided a fantastic service from start to finish. Tom went over and above to help me with the new design of a feature window and the fitters did an amazing job. Very good after care provided as well. A local independent company offering great service at competitive prices, can't recommend highly enough

Ms Dean

We chose this company to have new windows fitted based on the reviews and we were not disappointed at all - absolutely superb from start to finish! They are not only professional in their knowledge but also friendly and efficient too …. and have left the job spotless. If you are looking for windows etc you won’t go wrong with this independent company - I will be highly recommending to all! Thank you for a fab job love our new windows

C Lee

"We've had a lovely front door put in today, very happy with it. Really great and friendly team to work with, thank you!"

Ms Chapman

"Just had all my windows replaced by Jim from the HWC. They look great (the windows), work great and the fitting couldn't have gone more smoothly. Thanks chaps for a friendly and professional job, I wouldn't hesitate to recommend them."

Mr Kent

"The Happy Window Company came to fit our bifolds today and I am extremely impressed by their services. They are professional, really friendly and we are SO happy with end result. Can't wait to get them back to fit the rest of our windows + front door. Would HIGHLY recommend!"

Ms Ramsden

Brilliant company, really efficient manufacture of my broken window pain, excellent knowledge to diagnose and fix my drooping window quickly too.

S Kemp

Good quality product, design and installation. We have had windows, facia etc replaced very pleased with the way it all went. Happy workmen Happy company.

Doreen Cope

We've had a lovely front door put in today, very happy with it. Really great and friendly team to work with, thank you!

Jo Chapman

Happy Window installed new French doors. We are thrilled! Brilliant service from start to finish. Totally recommend. Steve and Lizzie Marshall

Lizzie Marshall