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A Warmer, Safer Home Starts With the Right People
You notice it most on a cold evening. A draught slipping past the window frame. Condensation running down the glass each morning. A back door that needs a firm shove before it will lock. Small things on their own, but together they leave your home feeling less comfortable than it should.
Tired frames, misted panes and worn seals also change how your property looks from the street. If you're planning to sell one day, or you simply want to enjoy the home you have right now, those details matter.
Carlton UPVC Home Improvements was established in 2013, built on 30 years of experience in the window industry. As a family-run double glazing company, the focus is on giving you a professional, personal service and a product that suits your budget without cutting corners on quality. Every uPVC installation comes with a 10-year guarantee, so you can relax long after the fitters have gone home.
Assure Certified for Your Peace of Mind
When you replace your windows or doors, you want to know the work is done properly and recognised officially. Carlton UPVC is now Assure Certified. Assure is a UKAS-accredited Competent Persons Scheme, authorised by the Ministry of Housing, Communities and Local Government (MHCLG) for the replacement of windows, roof windows, roof lights and doors in England and Wales.
What does that mean for you? Every project is automatically registered and backed by a 10-year warranty. You get the paperwork you need if you ever sell your home, and the confidence that your installation meets the right standards.

UPVC Home Improvements Chosen Around You and Your Home
Every property is different, and so are the people living in it. From a single replacement window to a brand new conservatory, you'll find a style, colour and finish that suits your home and your budget.

New windows make your home warmer, quieter and easier to look after. Choose from a complete range of bespoke uPVC windows in a variety of styles, made to fit your property and keep the heat you pay for inside.

Your front door is the first thing visitors see and the main barrier between your family and the outside world. Composite doors come in a range of styles and designs, giving you a smart, welcoming entrance with the reassurance of a solid, secure door.

Picture a bright dining space, a playroom or a quiet spot to enjoy the garden all year. WARMroof tiled conservatories are designed to be comfortable in every season, so the room gets used in January as much as July.

Bi-fold doors open up the back of your home and let the garden become part of the room. A complete range of bespoke bi-folding doors is available in a range of styles to suit your space.

Patio doors let in more light and make stepping outside easy. They come in many colours and styles, so you can match the look of your home.

A roof lantern floods a kitchen or extension with natural light. Each one is crafted to be fitted quickly and easily, and finished to be weatherproof and secure.

If your conservatory sits empty because it's too hot in summer or too cold in winter, a replacement roof could make all the difference. Ultraframe conservatory roofs, including Guardian and WARMroof, help turn it into a room you'll use all year.

Tired roofline can let the rest of your home down. A range of guttering and fascia boards is available to suit all properties, keeping rainwater where it should go and your home looking neat.

Composite cladding gives your exterior a fresh, modern look that needs very little upkeep. The system adds up to 10 years of guaranteed weatherproof performance.
Why You Can Trust Carlton UPVC With Your Home
Letting someone work on your home is a big decision. You want to know they'll turn up when they say, treat your property with respect and leave everything as they found it. Every installer is fully trained, accredited and committed to completing each job safely and efficiently. The business is fully insured, and each detail is taken care of so you can feel confident leaving the work in experienced hands.
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Established in 2013, with 30 years of experience in the window industry
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Assure Certified, with every project registered and backed by a 10-year warranty
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A 10-year guarantee on all uPVC installations
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Fully trained, accredited and insured installers
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A family-run team giving you a personal, professional service
Local UPVC Home Improvements Across Norfolk and Suffolk
Your home deserves a local team who know the area and the kinds of properties found here, from village cottages to modern family homes. Carlton UPVC is based in Carlton Colville, Lowestoft, and covers all over Norfolk and Suffolk. uPVC window installation is also available in parts of Essex.
Not sure if your address is covered? Give the team a call and you'll get a straight answer.
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Based at 19 Poplars Road, Carlton Colville, Lowestoft, NR33 8JF
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Covering all over Norfolk and Suffolk
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uPVC window installation in parts of Essex
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Call 01502 508 954 or 07557 749957
Simple Steps From First Call to Finished Home
You should always know what's happening and when. The process is kept straightforward, so you can get on with your life while your home is improved.
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Get in touch: call, or fill in the form and tick the products you're interested in, from windows and doors to roof lanterns and cladding.
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Talk through your options: honest advice on styles, colours and what suits your property, with no pressure to decide on the spot.
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Receive your FREE quote: a clear price, so you can plan with confidence.
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Enjoy the finished result: fitted with care, registered through Assure and backed by a 10-year guarantee, with all rubbish cleared away.
Make Your Home Feel Warmer, Safer and Cared For
Windows and doors make or break a property. You've lived with the draughts, the sticking locks and the tired frames for long enough. New uPVC windows and doors let your home look its best and feel like the comfortable, secure place it should be.
