uPVC Windows

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Composite Doors

Offering Lincoln’s finest range of secure composite doors

Aluminium Bi-Fold Doors

Open your home to the outside with our beautiful aluminium bi-fold doors

Professional Window and Door Fitters across Lincolnshire 

Are you looking for a professional window and door company? At the Happy Window Company, we offer a range of stylish windows including sash windows, sliding windows, uPVC, and double glazed windows to transform your home into your happy place. Our friendly team has over 40 years combined experience in the window and door industry so you’re in safe hands. Contact us today on 01522 700 952 for your free quote.

Here at the Happy Window Company, we’re the best window company across Lincolnshire. All of our windows are made from the highest quality materials and glazed properly, so you know your home is safe, secure, and thermally efficient for years to come. Our windows come in a variety of styles and colours so we’re sure with our friendly window fitting team help we will help you find the perfect windows to fit your home
At the Happy Window Company, we know you’ll be happy with the uPVC and double glazed windows we supply. All of our windows and frames are thermally efficient and lead-free and produced in England. So, if you need new sash or sliding windows we are the window company for you!

Our window and door fitters do more than install windows and doors, they also ensure your home is safe. Our sliding patio doors have a PAS24 accreditation and an exemplary ModLok system, so you can rest easy knowing your home is secure.

Our experienced window and door fitters understand it is essential to bring our customers a full level of assurance, quality, and professionalism throughout. We are always honest with our thoughts in helping find the right solutions for you. We want to make sure your home is safe and thermally efficient, helping you to reduce your energy bills. As the best window and door fitters in Lincoln, we are happy to help our clients with projects of all sizes. Our main goal is to support you from start to finish.

Here at the Happy Window Company, we’re a team of professional window and door fitters who offer a range of home improvement services throughout Lincoln and surrounding areas in Lincolnshire. We’re the best window fitting company in Lincoln so if you’re looking to make house improvements and open your home to the outside get in contact today for a free quote.

A Happy workforce brings a Happy installation so you know you’ll be in safe hands!

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
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10 Year Guarantee

Every installation by the Happy Window Company comes complete with a 10-year comprehensive guarantee as standard
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No Pressure Sales

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

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

"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 and Dave 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

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