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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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A family run local business trading in North wales for over 20 years.We undertake all aspects of home improvements from a simple tap swap to full house refurbishments. Customer satisfaction is our number one goal!

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Reviewed by Phil on 30/9/2025

From the very first conversation, Karl has been great to deal with. Any discussions about the job were clear and I felt confident throughout the time the job lasted. The project started on time and despite the weather the job was completed in good time. Plus an excellent result as well. Very pleased.

We always strive to provide a professional service at the highest standards, with over 15 years experience we can always offer ideas and solutions to ensure the project runs smoothly. We specialise in home renovation & improvements from large to small.

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Reviewed by Julie on 2/5/2025

Matt and Sandro arrived on time and were very professional and polite. They worked very hard and did a fantastic job, even cleaned up after themselves. I would definitely use them again and would recommend them. Thank you

Fully qualified time served carpenter / joiner with 30 years experience. Advanced city and guilds. Excellent customer base in and around the Clyde valley area. Professional experience with all carpentry and joinery. Kitchens, fitted wardrobes, decking or fencing. Multi-trades also, to help with bathrooms, shower room conversions. All electrical works completed by registered electrician. Thanks. Lee.

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Reviewed by F on 7/11/2023

Lee's motto is : " If a job's worth doing it's worth doing right" and he is that rare tradesman who delivers what he promises. He and his team not only listens to what you say, he delivers it, and then goes the extra mile to make sure you're totally happy with the results A+++ I will definitely use his services in the future.

Andris carpentry joinery and general building were established in 2003. As a fully qualified UK craftsman with over 20 years of experience as a carpenter and joiner, with knowledge in the general building too. We provide competitive prices and honest services.

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Reviewed by Patrick on 21/4/2025

Andris did a superb job. Nothing too much trouble, and all the work was carefully finished - to time and within budget. I'm really pleased with the result. Patrick Salisbury

Over 20 years of experience in commercial and domestic construction projects.

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Reviewed by Lindsay on 1/8/2025

Paul was great. He came out very quickly and dealt with my daughter’s door really well. It needed trimmed down due to carpets having been fitted. The carpet fitting squad couldn’t deal with the door as it wasn’t a standard internal one. It was particularly heavy and had a strong spring chain going into its side. Paul managed it fine. I’m very happy to recommend him.

Well established family run building company based in London,we have built a strong relationships with well known building societies across the London due to our quality and trustworthy service High quality levels of work in major building projects,we specialise in planning and design,project management and general building services

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Reviewed by john on 9/11/2025

5 star

STBS SOLUTIONS LTD Based in North London All about single,double and secondary glazing, curtain walling, clading and panel installing. We are here to help you don't be shy give us a try.

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Reviewed by Philippa on 20/4/2024

Perfect job in everyway.

j preston builders is a well established company based in st albans covering herts,bucks and north London.specializing in home extensions garage conversions and,structural alteration work . all aspects of construction coverd .

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Reviewed by S on 10/7/2020

Job done very quickly. Mr Preston and his work force were excellent I have no complaints, cannot fault hum. Very pleasant and has good ideas, clean careful and friendly. I would recommend him to everyone.

I am an individual who prides himself on giving quality with reliability, with many years of experience.

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Reviewed by olayinka on 12/5/2023

The work completed as planned. Wayne is very considerate helped the lady tenant feel comfortable. I recommend him without any reservation.

We are a medium sized Home Improvements company who have been trading for around 11 years as of 2019. An excellent 5-star reputation has been earned through quality work done on a friendly, but professional basis- most of our work is now coming through recommendations.We can cover most types of jobs: From Architectural plans etc / Building / Roofing / Glazing/ Joinery / Electrical / Plumbing / Rendering / Plastering / Decoration- a complete service which a lot of customers are looking for.We work very hard on the personal service side of things including the project management from myself.Our aim is simple: to give the customer a first- class job which in turn leads to my name being passed on plus being asked back for further work.Thank you for looking at us.

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Reviewed by Baraq on 28/2/2025

MHP offers a wide range of Building &Joinery work from new build , Extensions , conversions , to full refurbishments including bathrooms and Kitchens . Our Tradesmen have many years experience in all aspects of building work to cater for your every need . Give us a try for a no obligation Quotation

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Reviewed by Andrea on 23/4/2025

Fantastic communication. Completed the works within a day of providing a quote. Would highly recommend.

We are glad to present All 4 You Contractors Ltd company which is dealing with provision of redecorating and building services. Our best asset is our comprehensive way of working. Due to being well established company in the market with vast experience we guarantee high quality and aesthetic results. We've got many years of experience in UK, Germany and Poland. Our work is guaranteed and we have a reputation for reliability and fair prices. All 4 You Contractors Ltd are fully insured, trained, competent and offer a high level of professionalism. We will give you attention, positive attitude and the best possible customer service available each and every day. All 4 You Contractors we provide staff services in: Painter/Decorator, Plasterer, Carpenter, Tiler, Multi Trader. All 4 You Contractors we are trying to be a professional company so, we provide training for our employees.

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Reviewed by Dan on 1/5/2025

Welcome to our page, We specialise in multiple angles off the trade industry, Including, Roofing, domestic and commercial Landscaping also property renovations. We aim to bring your dream to a reality or simply give you a solution to your problem, quickly, efficiently and effectively. We have a friendly team to cater to your needs. Please feel free to give us a call or text message at any time and we can give you a FREE NO OBLIGATION QUOTE!

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Reviewed by Matthew on 16/12/2025

Completed the work as promised within a very reasonable time frame. No more damp walls!! Would recommend to others!!

B S Building Services

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Reviewed by Mick on 27/7/2025

Bartek arrived promptly explained what we needed doing took pictures Recieved a quote from him happy with everything 2 weeks later on Sat morning arrived completed work's exactly what we wanted proficient and cleaned totally when finished would 100% hire him again

Highty skilled carpenter with 10 years experience. Expertise in planning carpentry construction projects,defining scopes of work and labord costs. With plenty of experience in all aspencts of barhrooms,kitchens,tiles,floor etc

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Reviewed by Chris on 2/4/2025

I have over 20 years experience in the Glazing industry. Lots of my work comes from recommendation of satisfied clients i have worked for over the last 20 years. I offer a complete replacement and repair service, and am a door and window specialist. As a company we specialise in double glazed unit & glass replacements. We are a CERTASS registered company and fully insured with public liability cover for all window/door work.

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Reviewed by Susan on 23/4/2025

Excellent job, I’m really pleased. The window is better than the original. Dean did a neat job, and cleared up thoroughly. I’m very happy and have no hesitation in recommending him.

We have an experienced and disciplined team who have worked on hundreds of projects throughout London, from small jobs to larger more complex tasks such as bathroom renovations and kitchen installation, hardwood flooring, roofing ,complete renovations.

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Reviewed by Angela on 30/9/2023

They gave me some really useful advice regarding me bing my washing machine which included the reality of lifting my floor and some kitchen cabinets. I will certainly re contact them again when I have the money together for a full kitchen makeover.. it seems silly to do what I wanted on its own.

take pride in my work , respect everyones home ,always willing to help clients and always give reasonable prices

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Reviewed by Denise on 21/7/2024

Tim provided a prompt & efficient service. The new shower tray looks good & I would definitely ask him back for future work required.

We are a family owned Father and Sons team. We install conservatories, doors and windows. We also build extensions and garage conversions. Our Solar Panel side of the business are able to supply and install solar panels to your roof. We project manage your job from start to finish. We have many satisfied customers. Please contact for a free quote.

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Reviewed by Mrs C on 10/5/2024

This family have been marvelous, getting a very urgent collection sorted out for me mega quickly, so that l would not lose my property permanently (which was likely to happen imminently), and which would have caused me great distress. Now l can relax and sort things out with them once the worst of the pressure is off. Many thanks, boys, for being so kind. You will be first in consideration when l need someone with any of the large range of abilities that are on your list. Many thanks.

Genuine local independent Locksmith and UPVC window & door repair specialist. Level 4 NCFE Locksmith qualified. £5M public liability insured. CRB/DBS checked

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Reviewed by Claire on 10/5/2025

Came out quickly and did a neat job for a reasonable price. Recommended.

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