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Kensington Windows

0 review(s)
Offers services in DORCHESTER
Window & door installations across Dorset, Hampshire, Wiltshire & Somerset. High quality range of products including the m...
We are a Family run business with over 25 years’ experience with windows and doors. Predominantly covering the Southwest, ...

Thermaspec UK

1 review(s)
Offers services in DORCHESTER
Thermaspec UK are one of the UK’s leading property improvement specialists. Based in Poole, we are dedicated to helping ho...
The company was established in 1977 selling and installing aluminium windows mainly in the South West. Believing that the ...

Recent Window Installer Enquiries

28 Aug

Wooden Windows

Weymouth - DT3

Enquiry from: Kevin T

Start Date: Immediate

Hi, we require 2 x sash windows, 4-pane double-glazed sash windows, approx 1140mm x 1190mm, configured as 2 panes over 2, fitted with brass fitch fasteners, 4 brass pulleys, and 2 brass lifters, finis

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15 Aug

uPVC Double Glazing

Portland - DT5

Enquiry from: Sharon H

Start Date: Immediate

2+ windows Supply and install

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26 Jul

uPVC Double Glazing

Weymouth - DT4

Enquiry from: Garry M

Start Date: Immediate

2+ windows Supply and install

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25 Jul

uPVC Single Window

Weymouth - DT3

Enquiry from: Valerie R

Start Date: Immediate

Considering a range of options 2+ windows supply and install

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24 Jul

uPVC Double Glazing

Portland - DT5

Enquiry from: Shaun H

Start Date: Immediate

Considering a range of options 2+ windows Supply and install

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30 Jun

uPVC Double Glazing

Portland - DT5

Enquiry from: Leanne S

Start Date: Immediate

Multiple windows Supply and install

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30 Mar

uPVC Double Glazing

Dorchester - DT1

Enquiry from: Deb T

Start Date: Immediate

Submit your free quote for rated tradespeople

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23 Mar

Replacement Glass Only

Weymouth - DT4

Enquiry from: Nick S

Start Date: Immediate

A double glazed unit ( glass only) 975x505x24. Many thanks

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11 Nov

Aluminium Windows

Dorchester - DT2

Enquiry from: Gemma M

Start Date: Immediate

Are you the home owner of that property? - Yes. How many windows are you considering replacing? - NB PORCH. What material do you require, Aluminium? - aluminium. What colour do you want them to be?

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06 Sep

uPVC Double Glazing

Dorchester - DT1

Enquiry from: Jorge D

Start Date: Immediate

Call back anytime

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02 Aug

Wooden Windows

Dorchester - DT2

Enquiry from: James G

Start Date: Immediate

22 hardwood windows. mainly 18x18 but not standard size in 17th century Grade 2 listed building

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19 Jun

uPVC Double Glazing

Dorchester - DT1

Enquiry from: Chantelle L

Start Date: Immediate

Multiple windows Supply and install

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01 Apr

uPVC Single Window

Dorchester - DT2

Enquiry from: Neil -

Start Date: Immediate

Are you the home owner of that property? - -. how many windows are you considering replacing? - -. what material do you require, upvc? - -. what colour do you want them to be? - -. i assume you requir

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22 Nov

Replacement Glass Only

Dorchester - DT2

Enquiry from: Clem S

Start Date: Immediate

Call back anytime

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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 Dorchester is:

£2,607

Window Installer job Window Installer cost in 2026
Double glazing in Dorchester £1,000-£8,500
Upvc double glazing units only in Dorchester £800-£1,200
Triple glazing in Dorchester £1,000-£8,500
Aluminium windows in Dorchester £1,875-£2,875
Wooden window in Dorchester £3,750-£5,750
Aluminium windows supply only in Dorchester £2,600-£3,900
Upvc or wood porch in Dorchester £2,625-£4,025
Sash window in Dorchester £1,150-£9,000
Glaziers in Dorchester £57-£87
Secondary glazing in Dorchester £1,000-£8,500
uPVC Single Window in Dorchester £225-£345
Wooden sash windows in Dorchester £3,750-£5,750
Wooden windows supply only in Dorchester £2,760-£4,140
Aluminium repair in Dorchester £240-£360
Window repair in Dorchester £268-£402
Wooden window repair in Dorchester £320-£480

Related Window Installer searches in Dorchester

Window Installer FAQs

how much does a porch cost?

Are you interested in constructing a porch to your property? Estimating the cost of the project before proceeding will solve a lot of possible headaches in the future.

A porch is great place where you can keep your shoes, jackets, dog leads as well as other items to create free space within the property. Apart from this, a porch also serves numerous other purposes to make it a very good structure to have on your property. Not only is it a good means to put a roof over your head when it’s pouring with rain, but also a highly economical way to add floor space to your home. The question, however, how much would it cost to build a porch?

The price of building a porch is based on a wide variety of factors such as the type of materials required, the size of the porch, location of the structure and lots more. As a result, you should note that this guide provide figures that are only a rough guide that’ll put you on the right direction to make informed decisions.

Depending on the type of porch you choose to build, the average cost range from £1,900 to £2,100 for a uPVC porch and up to £10,000 for a lean to porch. There are other types of porch including the traditional porches ( Edwardian and Victorian porches) costing within a range of £2,500 to £8,400.

The materials required also has a great influence in determining the price of a porch. An aluminium porch will cost between £7,5000 to £8,200, while a brick porch will cost slightly less between the range of £2,000 to £8,000. They can both be constructed either as a front porch or as a rear porch, but due to fewer restrictions on aluminium porch, it can be made a lot larger.

What is uPVC?

uPVC is unplasticised polyvinyl chloride. It is a favourite amongst homeowners and manufacturers for its cheap production cost and excellent benefits. uPVC is used for window frames, conservatories and doors. In fact, uPVC can be three times cheaper than wooden frames and is also the most energy efficient option.As well as this, uPVC is now available in a range of colours other than the typically seen bright white finish. It can also be recycled, is durable and resistant to changing weather conditions.

how much are new windows?

Are you about to replace your old windows and wondering just how much it’ll cost to have a new one fitted? If yes, then you’ve come to the right place! The question is a very straight forward one, however a direct answer can not be provided as determining window prices for a replacement project can be a very tricky challenge. With a plethora of influencing factors that can play a key role in the price of both materials and labour to be used, it could be extremely hard for a window installer to provide a cost estimate without paying you a visit beforehand.

The factors that can go a long way in determining the price of your new window includes the size of the window, frame material, style chosen, your location, rates charged by the window installer (these rates can be different from an installer to an installer, so it’ll probably be in your best interest to compare quotes to identify the most competitive price) as well as the type of glass required.

Generally, for a small flat featuring four windows, the average cost for new windows would be between the range of £2,100 to £2,300. This range provided covers the cost of double glazed uPVC casement windows as well as the installation price. In the same tone, a home with up to 8 windows will have an average cost for window replacement between the range of £4,400 to £4,600, wile also taking into account the installation price. Whereas a house comprising 10 windows could begin at an average cost of window replacement between the the range of £5,200 to £5,500, and a 15 window home will be between the range of £8,400 to £8,600. it should be noted that the aforementioned figures only include the standard number of windows with a uPVC frame and the installation cost.

Can I fix glass on one side of a double glazed window?

Unfortunately, you can’t fix the glass on one side of a double glazed window. That’s because they’re sealed units – once one pane of glass is broken, that will break the seal and its thermal insulation properties will be lost.

The good news is that if your window frame is still looking great, there’s no need to replace that. You can simply replace the glass in the window, which will cost much less. You can look to spend around £250 on a sealed unit, whereas a whole replacement single window may cost up to £600.

When an installer comes to replace the glass in your double glazed window, they will survey the inside and outside of your home around the window, then move any furniture by the window so they’ve got access. They should then pop a dust sheet down to stop any debris from getting on your floor.

Then, the installer will carefully remove the beads from the frame. They will then lift the glass out of the frame and put it somewhere safe before cleaning out all of the dust and any debris that has found its way into the frame. Using spacers at the bottom of the frame, the installer will make sure that the sealed unit is square in the frame to get a good fit. Once they’re happy, they will replace the beading and make sure it looks perfect before cleaning up their tools.

You could have a go at replacing the glass on a double glazed window yourself, but it’s not recommended. Leave it to the professionals who will know exactly what to do and will be able to do it quickly and safely.

what is a window sash?

Windows, being a very crucial feature in every home, are one of the things you simply can’t afford to ignore in your home. Having a good understanding and solid knowledge of your windows’ components like the window sash will help you stay up to date with them and able to identify any minor mishaps early on before it leads to a much bigger problem. So what exactly is a window sash?

Well without much fuss, a window sash is simply that part of your windows that’s able to open and close. And there could as well be more than one window sash that’s operable depending on your window’s type. Window sash usually possess a very basic design as well as structure. What’s more? This section of a window happens to be a frame that’s designed in such a way to make for easy placement inside the whole window casement. You’ll discover inside the sash frame, the window glass alongside any framework possessed by your window which includes grids.

Usually, the sash is fitted into the frame of the window on a runners’ set in such a way that allows for both upward and downward movements. And finally, the window sash’s frame typically comes with a locking system which provided for extra safety and security.

The window sash is a vital feature that can determine the durability and overall performance of the windows. In the event whereby your window sash is malfunctioning, it can result to numerous problems which includes both drafts as well as leaks. As a result, it’s very important to keep your window sashes in a great working condition as failure to do so will make opening and closing your windows a really difficult task.

What to put over a broken window?
A broken window is a nuisance and an unwanted expense, and it can often happen at the worst times, like overnight when installers aren’t available or when the weather is very bad. So you might need to put something over your broken window as a temporary measure before someone can come and replace it – but what should you use? If you’ve got a small crack, you could try using some masking tape. Cover the entire crack with the tape making sure that there is extra tape at each end of the crack. This will help to prevent the crack from growing further. However, this isn’t going to work on large impact cracks or shattered windows. For a shattered window, you need to make sure you remove all the remaining glass as the shards could easily cut someone. To make a broken window like this safe, you’ll need:
  • Thick gloves
  • A hammer
  • A broom
  • A vacuum cleaner
  • Thick-soled shoes
  • Safety goggles
  1. Put your gloves on and use the hammer to remove the rest of the glass. Make sure you hit the glass away from you.
  2. Using the broom, sweep away any loose glass from the area, making sure you do both inside and outside.
  3. Use your vacuum cleaner to remove any small pieces of glass that you might not have been able to see.
Once you’ve cleared up the mess, you’ll want to cover your broken window with plastic and tape. It’s only a temporary measure so make sure you get in touch with a professional as soon as possible. Cut some heavy-duty plastic to fit the entire window. Using duct tape, secure the plastic over the window and make sure all the sides are sealed properly. It’s best to ensure that the plastic stays taught over the frame so it doesn’t get caught by the wind. Make sure you get in touch with a glazier or window installer as soon as you can – you'll notice a draught very quickly and someone could easily come and rip the plastic off. If you’re very worried about this you might want to add a chipboard over the top to make it more secure.

Should I get all my windows replaced at once?

You don’t have to, especially if you’re on a budget. If you’re only replacing some, it’s a good idea to get all the windows on one side of your property replaced at the same time, so they all look the same. Be aware, obviously, huge savings could be had by having a number of windows replaced at the same time.

How long does it take to install one small double glazed window?

To install one small double glazed window, it will take anywhere between two hours and half a day. It will depend on whether one installer is fitting your window or two. And if you’re doing it yourself and don’t have any professional experience, it will take even longer.

When the window fitters arrive, they will make sure they’ve got safe access to the window and move any heavy furniture if they need to. Any good installer will lay down a dust sheet, but it’s a good idea to check that they’ve got one laid down before they start.

The first step any window installer will take is to double check the measurements of the new frame against your existing one. Hopefully it should match up, so then they’ll take the old window out. Then, they’ll insert the new frame into the aperture and bolt it into the concrete. They'll check it with a spirit level to ensure it’s even before moving onto the glass sealed unit.

The installer will place the glass into the aperture, then fit the beads to secure the glass in the frame. They’ll then use silicone and trim on the inside and outside to ensure the window looks perfect. You won’t be able to see where they’ve used sealants or trims because they’ll colour match them so it’s not noticeable. Then, they’ll tidy up all of their tools and the working area and let you know what needs to be done in terms of proving that the window meets building regulations. Most good installers are registered with a self-certification scheme, so will be able to issue a certification once the work is complete.

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