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Alexander Constructors

0 review(s)
Offers services in CORNWALL
South Wales, Penarth based design and build contractor. Projects completed include new houses, extensions, kitchens, bathr...
Verified Pro

Lets Talk Windows & Doors

1 review(s)
Offers services in CORNWALL
We are a Home Improvements company specialising in replacement Windows and Doors, refurbishment and new build Conservatori...
Over 20 Reviews
Quality Windows, Doors & Conservatories across Cornwall, Devon & Somerset. 10+ years experience. Trust a Trader Scheme. Ul...

R & G INSTALLATIONS SW

0 review(s)
Offers services in CORNWALL
R&G Installations SW Ltd are a family run, South - West based installation company specialising in conservatories and high...

Recent Window Installer Enquiries

30 May

Windows | Glazing

Looe - PL13

Enquiry from: James T

Start Date: Immediate

I need three double glazed panes replaced due to misting up.

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24 Apr

Windows | Glazing

Penzance - TR18

Enquiry from: Becky C

Start Date: Immediate

Last night I noticed that the glass in my attic Velux window had shattered. I’m not sure how it happened.

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19 Apr

Windows | uPVC

Penzance - TR19

Enquiry from: Rachel B

Start Date: Immediate

Customer made an online enquiry for replacement windows via one of our websites. Confirmed via email/SMS/. 2+ windows Supply and install Please call to arrange an appointment to quote.

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18 Apr

Windows | uPVC

Truro - TR1

Enquiry from: John M

Start Date: Immediate

how many windows do you need: 2-3 windows property type: other

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10 Apr

Windows | Wooden | Repair

Penzance - TR20

Enquiry from: Lizzie N

Start Date: Immediate

Wooden window repair Lead

Repairs to 3 x 1st floor wooden windows, approx. 113cm x 88cm. Probably from 1980s 0r 90s although property much older. Accessible from conservatory roof

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29 Mar

Windows | uPVC

Newquay - TR7

Enquiry from: Jamie B

Start Date: Immediate

Customer is looking to get quotes for replacement double glazing. multiple windows Supply and install Please call to quote.

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18 Mar

Windows | uPVC

St. Austell - PL25

Enquiry from: Deb C

Start Date: Immediate

Customer made an online enquiry for replacement windows via one of our websites. Confirmed via /phone. 2+ windows Supply and install Please call to arrange an appointment to quote.

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17 Mar

Windows | Glazing

St. Ives - TR26

Enquiry from: Graham C

Start Date: Immediate

3 panes one window with 1 window with two panes are you the property owner: owner of the property property type: detached are you looking for glaziers: yes how many units do you do you require: 2-...

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17 Mar

Windows | Wooden

St. Ives - TR26

Enquiry from: Graham C

Start Date: Immediate

customer in st. ives areas is looking to do a couple of projects at the moment, and would like quotes for wooden windows.confirmed interest via email at 17/03/2026 17:22.please call to arrange appoint...

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17 Mar

Windows | uPVC

St. Ives - TR26

Enquiry from: Graham C

Start Date: Immediate

customer in the st. ives area made an enquiry a couple of projects including upvc double glazing.call anytime and arrange an appointment to discuss. below is some details about this project: are you t...

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11 Mar

Windows | Glazing

Penzance - TR20

Enquiry from: Hazel H

Start Date: Immediate

Quote pls for replacement glass to Velux Window

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19 Feb

Windows | uPVC | Repair

Redruth - TR15

Enquiry from: Dave R

Start Date: Immediate

A flat roof velux with rain sensor, needs to be checked as it doesn't open, possible motor burnt out

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04 Feb

Windows | uPVC

Helston - TR13

Enquiry from: Barbara C

Start Date: Immediate

Customer living in Helston area made an enquiry for double glazing quotes via one of our websites. Customer confirmed interest via Homeowner needs advice on options 2+ windows Supply and install Plea...

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03 Feb

Windows | uPVC

Helston - TR12

Enquiry from: Zoe H

Start Date: Immediate

Customer in Helston area made an enquiry for double glazing online. 2+ windows Supply and install Please call to arrange an appointment to discuss options

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31 Jan

Windows | uPVC

Helston - TR13

Enquiry from: Penelope W

Start Date: Immediate

Customer made an online enquiry for replacement windows via one of our websites. Confirmed via . 2+ windows Supply and install Please call to arrange an appointment to quote.

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31 Jan

Windows | uPVC

Penryn - TR10

Enquiry from: Inga I

Start Date: Immediate

Customer is looking to get quotes for replacement double glazing. multiple windows Supply and install Please call to quote.

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30 Jan

Windows | uPVC

Truro - TR1

Enquiry from: Ishwor K

Start Date: Immediate

Customer made an online enquiry for quotes for double glazing replacement via one of our websites. Customer lives in Truro area and is considering a range of options for their home. 2+ windows Supply ...

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26 Jan

Windows | uPVC

St. Austell - PL25

Enquiry from: Char W

Start Date: Immediate

What best describes your living situation? - -. How many windows are you considering replacing? - -. What material do you require, UPVC? - -. What colour do you want them to be? - --. Do you require d...

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23 Jan

Windows | uPVC | Repair

Saltash - PL12

Enquiry from: Rob C

Start Date: Immediate

Repair to double window with locking mechanism not working

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21 Jan

Windows | uPVC

St. Austell - PL26

Enquiry from: Graeme S

Start Date: Immediate

a quote for replacement windows

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How much do Window Installer services cost?

How much do Window Installers cost? Prices for Window Installers in 2026 can differ relying on the kind of task that you require to have performed in your house. It's the inquiry we get asked a whole lot "how much do Window Installers charge?". It's generally very good to have an idea of how much a Window Installer are going to likely charge for their services. Prices will probably rise and fall based upon the products and also the tradesman selected. The table reveals the sorts of service that Window Installers typically do and also the typical cost range of these jobs. Some tasks take longer to complete than others so prices do fluctuate by task.

View our Window Installer cost guide View our Window Installer advice

The average price
of a Window Installer in Cornwall is:

£2,082

Window Installer job Window Installer cost in 2026
Double glazing in Cornwall £1,500-£5,000
Upvc double glazing units only in Cornwall £800-£1,200
Triple glazing in Cornwall £1,500-£5,000
Aluminium windows in Cornwall £1,875-£2,875
Wooden window in Cornwall £3,750-£5,750
Aluminium windows supply only in Cornwall £2,600-£3,900
Upvc or wood porch in Cornwall £2,625-£4,025
Sash window in Cornwall £1,800-£6,000
Glaziers in Cornwall £57-£87
Secondary glazing in Cornwall £1,500-£5,000
uPVC Single Window in Cornwall £225-£345
Wooden sash windows in Cornwall £3,750-£5,750
Wooden windows supply only in Cornwall £2,760-£4,140
Aluminium repair in Cornwall £240-£360
Window repair in Cornwall £268-£402
Wooden window repair in Cornwall £320-£480

Related Window Installer searches in Cornwall

Window Installer FAQs

How to fit aluminium double glazed window?

Whether you’re hiring a professional to replace your double glazing or are considering DIY, it’s a good idea to know how to fit a double glazed window.

You need to start by assembling your window. Fit any handles and cut the outer sill to size by measuring the outer wall depth. Then, screw the outer sill to the window frame and attach the frame fixers. Screw the ventilation grilles onto the inside of the frame and fix the vents on.

Next, you need put the window into place, using spacers to wedge it in. Use a spirit level to check it’s level horizontally and vertically, adding extra spacers if needed. Then, fix the frame into place at each fixing point using a drill, wall plugs and screws. Measure and cut the interior sill, and check that it’s level, adding spacers if needed. Then fix it using screws, masonry nails or adhesive.

Finally, fill in any wide gaps with foam filler and small gaps with sealant. You can get interior and exterior trims to cover these up, making your window look neat and professional.

how to build a porch?

A front porch is a glorious addition that would be a blessing to have in any home. It gives you a good floor space to enjoy your neighbourhood as well as your surroundings in the cool atmosphere of the outside living space. The question however is, how do you build a porch? Constructing the structure can be a very challenging task but with proper guidance and lots of practice, you can also be a skilled porch builder. To protect your investment, it’s advisable to hire the services of a professional for help with your porch especially if you lack proper training and experience. This way, you’ll get to save time and money. This guide is prepared to give you some insight into the porch building process.

lAssess Your Location

• Consider the location before proceeding with the project. It’s essential to select a location that’ll reduce the sunlight coming in.

lPlan The Materials Required For Your Porch

• You’ll have to decide the type of porch you’ll be going for. For example, your porch can be built out of wood, composite decking or if it’s going to utilize some stone flooring, brick or even tile.

lBuild Your Porch Foundation

• Dig the foundations deep to ensure stability while also putting in mind any pipework or cabling

• Fit a damp proof course

• Add the subfloor - this can be concrete or timber

lStart To Lay The Brick And Floor

• Lay the bricks evenly up to the DPC level

• Lay the floor

• Add the flooring protection

• Once done, you can lay the bricks to the window level

• You can fit in a window sill if required before proceeding the brick and block work until it reaches the roof timber’s height

• Fit the linter when you get to the top of where the window will reach.

lConstruct The Roof

• Build a timber framework

• Fit a breathable roof membrane

• Install the roof battens and lay the roof tiles.

• Add gutters

What are the other double glazing options?

Double glazing frames don’t just have to come in uPVC and are available in other materials including aluminium and wood too. Wooden or timber windows are more suited to properties with a traditional look and are often the frame of choice for listed buildings and homes in conservation areas. When properly maintained wooden windows can last well for years but can be up to three times more expensive than uPVC.Aluminium is the strongest and most durable option. As a metal it is highly resistant to the UK’s changing weather conditions and won’t rust, warp, crack or peel. Aluminium offers a modern appeal and is available in a range of colours.

how much does double glazed windows cost?

Are you looking to replace your old window for a new double glazed window and wondering what it’s going to be the cost? Well, the double glazed windows market is a very competitive one in the UK with varying prices across the country. Therefore, if you shop around you’re most likely to find something that’ll fit your budget both products and quality wise.

As you would have expected, the more windows you required the more money you are going to spend. However, the cost per window is likely going to be lower depending on the number of windows you purchase. Several double glazed windows come with a 10 year warranty but it’s advisable to also obtain a solid workmanship warranty which provides coverage for any potential problems for a good period of time upon installation.

To determine the cost of double glazed windows, there are so many things to put into consideration that just the primary dimensions of the window itself. Other factors that works to decrease or increase the cost of the project includes the frames’ quality as well as the material used. For example hardwood can be quite high priced when compared to uPVC.

The number of opening windows within the frame can also play a huge role in the cost of the windows as well as the type of the glass. The cost of a double glazing window usually ranges between £100 to £3,200 per window, depending on the available options.

To have a more accurate estimate of the cost of a double glazing window, you’ll need a obtain a survey from a double glazing installer who can take into account any possible complications that may arise when installing your windows while also giving an advise on the most suitable window style for your property.

What happens if I have problems with my new windows?

Ultimately the double glazing company you use is responsible for the quality of work and to ensure your windows are of an excellent standard. This is why it’s important to get a warranty and use a Fensa registered installer. If problems emerge within a couple of years then it’s likely the installation was of a poor standard.Contact the double glazing company and have the issue repaired or new windows replaced. This doesn’t matter if you received a discount of free windows as part of the deal. As long as you entered into a contract the company is obliged to restore the windows.

What are the other double glazing options?

Double glazing frames don’t just have to come in uPVC and are available in other materials including aluminium and wood too. Wooden or timber windows are more suited to properties with a traditional look and are often the frame of choice for listed buildings and homes in conservation areas. When properly maintained wooden windows can last well for years but can be up to three times more expensive than uPVC.Aluminium is the strongest and most durable option. As a metal it is highly resistant to the UK’s changing weather conditions and won’t rust, warp, crack or peel. Aluminium offers a modern appeal and is available in a range of colours.

Will a new double glazed window look different to existing ones?

It depends on a few factors whether a new double glazed window will look different to existing ones. If your existing windows are very old, perhaps 10 years or more, then it’s likely that there will be some small differences.

The first thing to remember is that your double glazing is exposed to the elements as soon as it’s installed. So over time, unless you’re very good at cleaning and maintaining your windows, they’re likely to look a bit dirty. Window frames that are south-facing may also become slightly discoloured from the sun, so if you install a new window right next to it you might notice a difference.

Also, there have been lots of technical advances in windows over the years. If your existing windows are significantly older, you might notice a difference in the handles on openers, and if your existing windows were installed before 2010 they might not have trickle vents, which is an extra strip on the inside of your window to keep air flowing through your home. While it’s not a legal requirement for replacement windows to have trickle vents if the original one didn’t, it’s a good idea to have them installed as they help prevent condensation and mould.

The only truly noticeably different elements to a new double glazed window compared with existing ones are likely to be on the inside, which might not be a problem for you if you only have one window in a room. However, if you know the brand of your existing windows, you can ask your window installer if they can source the same ones. Even if they’ve been updated slightly, the difference should be minimal.

is a porch made from uPVC?

The simple answer to this question is... they can be! Although there are many types of porch designs that are available in the market, the uPVC porch happens to be one of the most loved and cost effective. Most home and property owners prefer the installation of a uPVC porch for a number of reasons. These includes:

• Value for money

It’s no coincidence the uPVC is widely accepted across the building industry with a plethora of uses. Not only is it relatively inexpensive to manufacture, but even the recycled uPVC is now becoming more and more useful. UPVC’s main rivals are wood and aluminium, and both are way more expensive to incorporate for frame profiles. Therefore, making use of uPVC is going to make your initial costs relatively low.

• Life Span

Although the main rivals in both hardwood and aluminium can also boast a lengthy lifespan just as uPVC. However, considering the price that you can get a uPVC, the lifespan is just incredible as it can be measured in decades.

• Aesthetic Appeal

UPVC gives you a wide range of foil colours that’ll fit your home perfectly well while also enhancing it’s visual appeal. You can actually get a porch that looks exactly like it’s manufactured from timber frames. To achieve this, all you need to do would be to make use of a wood grain surface finish. This is also long lasting, strong and resistant to fade.

• Little Maintenance

This is a very common feature of uPVC that makes it even more advantageous when used in making a porch. Unlike timber or wood which swells due to absorption of water or shrinks, you’ll never need to worry about all these distortions and more with uPVC. No painting, no sanding and ultimately, low maintenance required.

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