Showroom open 7 days a week!

It’s hard to believe that this window range isn’t really timber!

Confronting the stereotype that authentic timber is the only way to go, Evolution windows offer Leicestershire homeowners something much better. As the need for low maintenance & conservation-friendly windows & doors heightens, so does the popularity of high-quality timber-look window & door profiles. With a wide range of styles and specifications to choose from, technologically advanced thermal efficiency is seamlessly combined with the desirable look of timber. From stormproof windows and flush windows to bespoke doors, Evolution windows & doors push the boundaries whilst challenging perceptions. Feel free to book an at-home consultation or pop-in to our showroom to discuss your options further.

Providing luxurious timber aesthetics that refuse to compromise on efficiency and purpose, Evolution windows & doors expertly add instant kerb appeal. This is why Kettell Windows have chosen the Evolution brand, providing unrivalled craftsmanship, hand finishing and attention to detail that’s second to none.

Evolution traditional white uPVC casement windows

Uniting the beauty of timber with hassle-free materials

What makes our Evolution windows & doors so energy efficient & secure?

Designed and made in Britain, Evolution Windows is the leading manufacturer of bespoke timber alternative home improvement products. Engineered for efficiency, the days of draughty and cold timber windows is well and truly behind us. Offering one of the highest energy ratings and U-values, conservation-friendly Evolution windows can impressively accommodate both double and triple glazing too.

Thoroughly designed and tested for the utmost strength and security, solid and reliable locking mechanisms come as standard with Evolution windows & doors. Complete with shoot bolts (top and bottom) and anti-lift bolts, optimum security and a peaceful night’s sleep is guaranteed.

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Grey uPVC casement windows installation

Evolution features

Timber, reinvented

The Evolution range fuses the timeless appearance of wooden windows with the cutting-edge technology of modern materials with ease & finesse. Their slim sightlines & an array of gorgeous features are sure to take your breath away!

Evolution uPVC white windows and doors interior view

Evolution features

Expertly efficient

Evolution windows & doors are a wise investment for all Leicestershire homeowners, thanks to their outstanding energy ratings that work hard to cut your energy bills in half, whilst keeping you warm and toasty.

White uPVC flush sash bay window

Evolution features

Conservation Authenticity

Designed and developed to adhere to Article 4 Conservation Area guidelines, the Evolution range of replacement timber alternatives have been approved in many conservation areas in the East Midlands and right across the UK.

Kettell windows showroom

Pop into our showroom for a cuppa!

Discover more ideas at our showroom in Leicester.

Get a real feel for the products by visiting our family friendly showroom. Open 7 days a week, a warm welcome is always guaranteed. Viewings by appointment are also possible, simply get in contact with one of our friendly team today.

Showroom & head office address

  • Kettell Windows, Doors & Conservatories
  • Unit 12, The Warren, East Goscote, Leicester, LE7 3XA
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Another happy customer

Friendly & efficient service

"I thought I had to wait 4 - 6 weeks but 10 days later all the windows and doors were installed!! A fast, friendly and efficient service from inquiry until completion. I am 100% satisfied and would totally recommend Kettell windows to anyone else."

5 5

Another happy customer

Highly recommend

"I would highly recommend the Kettell team for any double glazing! Fantastic quality and service"

5 5

Another happy customer

Top notch customer service

"Top notch customer service and really friendly to work with! Excellent for all our windows and doors."

5 5

Another happy customer

PVCU French doors fitted

"Service from initial sales visit to completion of work was excellent. We are extremely pleased with the quality of the windows and the professional, friendly service received."

10 10

Another happy customer

New front and rear doors

"Excellent, hardworking fitter produced an outstanding finish, very pleased. The company were very pleasing to work with and made the purchase of these items very easy and gave excellent advice. No hesitation in recommending this company."

10 10

Another happy customer

We are really pleased

" The team of installers (3) worked really well together and the work was completed in a week. We are really pleased with the final result and have already seen the benefit of reduced heat lose in the cold weather."

5 5

Showroom open 7 days a week

Come and visit our new showroom in Leicestershire

Opening hours

Monday-Friday 8am-4pm,

Saturday 10am-4pm,

Sunday 10am-2pm

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