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Quick, professional and friendly. The team gave me the impression that they are happy to do extra to get the best results. Carl and the team did exactly what they said they would do in the quote in the agreed time.

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Discover over 10,000 trustworthy tradespeople on Rated People ready to enhance your home with high-quality uPVC doors and windows. Whether you’re upgrading for improved energy efficiency or are wanting to install a skylight for aesthetic appeal, our platform connects you with professional local uPVC door and window fitters efficiently. If you’re a uPVC specialist, learn how joining Rated People can help you connect with clients and expand your opportunities.

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How long does it take to fit double glazing?

The installation of double-glazed uPVC windows and doors can significantly enhance a home’s energy efficiency and value. The process usually takes between one to three days, depending on several factors:

  • Removal of Old Windows: This initial step involves taking out existing windows and preparing the openings for new units.
  • Installation of New Frames and Glass Panes: New uPVC frames are installed, followed by the fitting of double-glazed glass panes, often to replace old windows such as sash windows.
  • Variables Affecting Time: The number of windows, their sizes, the complexity of the designs, and any custom specifications can extend the installation period.
  • Extra features: If the job is more complicated, such as when you’re fitting a conservatory, this can extend the time by quite a lot.

How much do uPVC windows and doors cost?

The cost of uPVC windows and doors varies widely based on several factors including the type, size, and specific features of the products, as well as the complexity of the installation process. Here’s a more detailed look at the potential costs involved:

  • Price Range for uPVC Windows: Typically, individual uPVC windows cost between £150 to £900 each. The wide range in prices can be attributed to differences in window sizes, styles (such as casement, sash, or tilt and turn), and the glazing options chosen (double vs. triple glazing).
  • Average Costs for a Standard Home: For a typical three-bedroom house, replacing all windows with standard white uPVC casement windows might cost around £4,000. This price includes both the cost of the windows and the labour for installation.
  • uPVC Doors: Prices for uPVC doors start from around £500 and can go up to £1,200 or more for enhanced security features, bespoke colours, or glass panel inserts.

Additional Cost Factors:

  • Installation Complexity: Costs can increase based on how easily accessible the windows or doors are, and whether any additional structural modifications are needed. For example, enlarging an existing window opening or converting a window into a door will add to the cost.
  • Geographic Location: Installation costs can also vary by region, with urban areas and the south of England typically having higher rates due to increased labour costs.
  • Customization: Custom colours, unusual sizes, or special patterns in glass (like frosted or tinted) can significantly increase the price. Additionally, enhancements such as noise reduction technology or high-security locks will also contribute to a higher cost.
  • Energy Efficiency: Higher-specification windows with advanced energy-saving features, such as argon gas-filled units or low-emissivity (Low-E) coatings, while more expensive, can provide substantial savings on energy bills in the long run.

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How do I know if the job has been done well?

To ensure high-quality installation of uPVC windows and doors, look for the following signs:

  • Sealed Joins: Check that the joins between the glass and frame are tightly sealed without any gaps.
  • Energy Efficiency Rating: The windows should have a low U-value, typically around 1.3-1.5 W/m²K, indicating good insulation.
  • Reduction in Energy Bills: Over time, you should notice a decrease in your energy costs, reflecting the efficiency of the new installations.

The best way to ensure a job gets finished properly is to take a look through previous reviews, as well as ask to have a look at old work. At Rated People, you can make the right choice based on a tradesperson’s past reviews, and read through our window fitters page to find out the types of questions you should be asking beforehand.

Other uPVC FAQs

Is it illegal not to have a FENSA certificate?

A FENSA certificate is required for new window and door installations as proof of compliance with building regulations in England and Wales. Not having one can be problematic during property transactions.

Is double glazing fitted from inside or outside?

Double glazing can be fitted from either inside or outside, depending on the property structure, the type of windows, and the preference of the installer.

How messy is window replacement?

Window replacement can be quite messy, involving the removal of old frames and possibly some minor building work. However, professional fitters will ensure that the area is cleaned up after the installation.

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Customer satisfaction is at the forefront of our business. We believe this is the driving force of our thriving company throughout the years. Leaving a client happy, can potentially bring in the next job is they way we see it. Whither that be the client retuning for more work to be done or they’ve recommend us on to friend, family, neighbours or work place. We cover all aspects of internal renovation works. Whither this be all types of floor coverings to hanging new doors, bathroom and kitchen installations to painting whole properties. Now based in Edinburgh and covering the whole central belt and beyond.

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Reviewed by Ben on 19/12/2025

Just4U Builders We offer a wide range of home improvement and repair services, including: Painting Carpentry Flooring Plastering Plumbing bathroom fitting kitchen fitting Handyman Services Feel free to let me know if you'd like more details added or if you'd like me to assist with something else!

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Reviewed by Kevin on 27/4/2026

Really nice patio work from the builder Yusuf who was working for Leroy. Nice guy, very neat and tidy, would recommend.

Heritage Construction London creates environments that are responsive, adaptive, inviting and exciting. We believe that architecture and environments are deeply connected, and that each one has an influence and effect upon the other. We are innovative and agile. We are modern and have traditional values of aesthetics. Each member of our team comes with a unique set of skills and together, we create buildings that stand out from the rest while fitting in harmoniously and beautifully. The 3 partners have over 100 years joint industry experience and have worked on New Build , General Residential, Listed Buildings, Heritage Buildings, Conservation area projects. As well as residential we also carry out office and shop refurbishments. Refurbishments, Loft Conversions, Extensions, Basement Excavations, full house remodel, Flats into Houses and Houses into Flats, All staff a regular tradesmen that we know and trust, All electricians are NICEIC qualified and all are our Gas Engineers Gas Safe certificated. We offer free no obligation estimates or we are happy to Tender for larger projects and particularly enjoy working with Architects On the new build side we are competent to build 1 to 50 houses and we have run and managed new build Flats in London and the home counties.

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Reviewed by Bride on 28/5/2015

Really pleased with job. Very polite courteous and efficient.

Conversion, Extension, Alteration, Renovation, Kitchen, Bathroom, Bedroom, Loft, Garden, Brick laying, Plastering, Tiling, Joinery, Plumbing, Part P Registered Electrician, Repairs, Decorating, Paving, Summer House, Fence, Garden

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Reviewed by Matthew on 2/10/2023

We supply and install top quality A+ rated energy efficent windows and door at affordable prices,covering all south Wales, friendly reliable service,certass trustmark registered ,free insurance backed guarantee and certification family company 40% OFF .fitters showroom due to open bridge street Blackwood

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Reviewed by David+ on 16/12/2023

Tom was excellent and carried out the repair very quickly and efficiently. A good job.

All aspects of building work. Providing Professional quality building service.

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Reviewed by Elizabeth on 11/4/2025

A joiner by trade but an experienced tradesperson in a number of home related areas including kitchens, bathrooms & maintenance

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Reviewed by C on 8/7/2026

Property Maintenance Contractor working across South Wales with Domestic and Commercial customers. All aspects of internal and external work covered from small jobs to full house renovations. Please get in touch for free quotes thanks Phil

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Reviewed by Arshad on 11/8/2026

Phil did a great job in painting my bedroom ceiling that had suffered water damage from a leaking roof. He was punctual, efficient, polite and did everything as promised. I would definitely use him again.

Hi, We are a construction company that has been running since 2009. We specialise in all aspects of building work from small works to full house builds and extensions.

Experienced Builder with over 20 Years experience based at Preston, but also covers the areas of Blackpool, Lancaster, Morecambe, Kendal and The Lake District. We specialise in House Extensions and Garage / Loft Conversions. Full Kitchen & Bathroom design supply and fit service, including tiling and flooring. Full Garden design and landscaping, driveways and patios. No job is too big for us. Ourselves and all our tradesman are fully qualified and insured. If you would like an informal chat about your project, then feel free to contact us.

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Reviewed by Malcolm on 11/9/2021

This rating is for the refurbishment of downstairs cloakroom, ensuite and main bathrooms. This included replacing bathroom suites, new ceilings with light and ventilation fans, full tiling and laminate floors. Probably not the cheapest but the work was completed to a high standard and all tradesmen were pleasant and understood our requirements.

Pimlico Building Ltd is a privately owned, long established company based in central London covering London and Greater London. We specialise highly in all new builds, open plans, full refurbishment, extension and loft conversions, kitchen and bathrooms, joinery and carpentry, basement and underpinning and all plumbing and electrical works. All our employees are fully certified and insured. Please refer to our website for further details.

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Reviewed by Imelda on 24/6/2020

They were very prompt in given the quote. Done a great job very polite, efficient, knew what they were doing, and I have recommended them to my friends.

We are a local independent locksmith and glazing company with over 10 years experience. All of our engineers are accredited and trained highly. All of engineers are fully DBS checked and we have a public liability.

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Reviewed by Deborah on 13/5/2024

Gave an honest appraisal of the door which will need replacing and still managed to get the lock to work as a short term measure. Many thanks.

my own company i have all my own and employees insurance i have 20 years plus experience in landscaping and general building

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Reviewed by Richard on 21/8/2026

From hanging a single door to full home renovation/new builds, we can cover every aspect of building and developments. Specialising in carpentry and joinery and with a wide range of contractors in the book, means every jobs done to highest of quality and craftsmanship.

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Reviewed by Jo on 30/6/2024

TML show genuine interest in the job and provide great customer service alongside trade knowledge and skills. I would not hesitate to call upon TML in the future.

I'm a sole trader,with 9 years experience and orientated to a quality finish of every job.

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Reviewed by adam on 25/1/2024

KJ Elite Construction Ltd is a professional, fully insured building company serving Blackpool, the Fylde Coast and surrounding North West areas. We carry out high-quality building and property improvement work for both domestic and commercial customers, from smaller repairs through to complete renovation projects. Our services include full property renovations, house extensions, structural alterations, groundworks, drainage, paving, patios, driveways, garden landscaping, fencing, joinery, plastering, K-Rend and external rendering, damp proofing, roofing, bathrooms, kitchens and flooring. We take pride in completing every project to a high standard, using quality materials and experienced tradesmen. Clear communication, reliable workmanship and attention to detail are important to us from the first quotation through to final completion. KJ Elite Construction Ltd is VAT registered, fully insured with £5 million public liability insurance and employers’ liability insurance, giving customers confidence that their property and project are in professional hands. We welcome projects of all sizes and provide clear, detailed quotations with no obligation. Contact us today to arrange a free quotation. KJ Elite Construction Ltd is a professional, fully insured building company serving Blackpool, the Fylde Coast and surrounding North West areas. We carry out high-quality building and property improvement work for both domestic and commercial customers, from smaller repairs through to complete renovation projects. Our services include full property renovations, house extensions, structural alterations, groundworks, drainage, paving, patios, driveways, garden landscaping, fencing, joinery, plastering, K-Rend and external rendering, damp proofing, roofing, bathrooms, kitchens and flooring. We take pride in completing every project to a high standard, using quality materials and experienced tradesmen. Clear communication, reliable workmanship and attention to detail are important to us from the first quotation through to final completion. KJ Elite Construction Ltd is VAT registered, fully insured with £5 million public liability insurance and employers’ liability insurance, giving customers confidence that their property and project are in professional hands. We welcome projects of all sizes and provide clear, detailed quotations with no obligation. Contact us today to arrange a free quotation.

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Reviewed by antony on 11/8/2026

JW Construction Joinery Building Roofing We are members of the Lancashire SafeTrader, Trust a Trader, Competent Roofer, we can self certify all our projects to building control, All our work is carried out to the highest of standards.

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Reviewed by Faruk on 29/10/2019

Very quick response and attended job on time as promised. He was polite and completed the work in time.

Domestic and commercial properties maintenance and renovations

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Reviewed by Mary on 12/11/2025

I hired Alex he repaired all requested faults and pointed out issues other plumbers failed to sort. He sorted out all the issues causing my current plumbing problems. He was professional friendly and efficient and kept me informed throughout. I would willingly recommend him and will definitely hire him again.

Hollywood joinery is a friendly company that specialises in cabinets an fitted wardrobes an all other joinery have been in the building trade for over twenty years an have experience in many other aspects of the building trade

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Reviewed by Thomas on 7/8/2024

Perfect job. Quickly done, great communications, reasonable price. Highly recommend.

Roofer. we provide a 24-hour emergency roof repair service free of charge. we will photograph documented and make you fully aware of all of the problems in your roof I provide a free no-obligation quote please feel free to contact anytime 24-hours a day

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Reviewed by Saffia on 23/1/2022

Great service, decent quote. Did what needed to be done, quickly and efficiently. Mike and his team are polite and courteous, would recommend.

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