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Last updated on December 22nd, 2023

How much does window fitting cost?

Need a new window installed? Whether you’re installing a new window where there wasn’t one previously or you’re replacing an old window that can’t be repaired, you’ll want to know how much to budget.

To help you out, we’ve put together your ultimate window fitting cost guide.

What’s the cost of installing a new window?

ItemUnitCost - lowCost - highAverage cost
Install uPVC window framePer frame--£80
Install wooden window framePer frame£80£100£90
Install glassPer pane--£27.50
Remove old windowPer window£25£30£27.50
Dispose of wastePer ton--£150
Cut out brick & install lintelPer opening£300£1000£600
Install new Velux window (incl. supply)Per new window installation£750£1,750£1,250
Replace Velux window (incl. supply)Per window replacement£550£1,500£1,025
Obtain FENSA certificatePer window--£25

Our costs are ballpark averages – get a local tradesperson to quote now

The total cost of installing a new window will vary based on a number of factors. These include:

  • The frame material.
  • Whether you’re cutting in a new window or replacing an existing one.
  • The size of the new window.
  • Whether you need scaffolding.
  • What type or style of window you’re installing.

Whether there’s a call-out fee (common for jobs that cost under £100).

uPVC window installation cost

First things first, let’s look at the average uPVC window fitting cost.

For the frame itself, you can expect to pay around £80. Then you’re looking at around £27.50 per pane to get the glass installed. This is roughly the same as the cost to install a softwood window, although you’re likely to pay a bit more to get a hardwood window installed (around £100 for the frame).

Just bear in mind that this doesn’t include any of the other costs associated with getting a new window installed. For instance, if you’re replacing an old window, you’ll need to budget for its removal and disposal. Or, if you’re installing a brand new window where there wasn’t one before, you’ll need to factor in the cost of cutting out bricks and adding a lintel.

You’ll also need to pay for a FENSA certificate, so your installer must be FENSA approved and notify FENSA when your project is completed.

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Velux window installation costCost of installing a new window

Although Velux is technically a brand name, the term is now commonly used to describe skylights – windows that are set into a roof or ceiling.

Depending on the size of the window, what it’s made of and where you live, you’ll be looking at somewhere between £750 and £1,750 to get a new Velux window installed where there wasn’t one previously. Alternatively, you can expect to pay between £550 and £1,500 to get one replaced.

Don’t forget to factor in the cost of scaffolding if it’s required, which will usually be between £40 and £150 per day.

Window fitter hourly rates

When working with window fitters, you may be charged for labour by a day rate, or you may be charged by the hour. Hourly rates for experienced window fitters can be between £25 - £35 per hour. Where you live may also have an impact on the cost, with rates in London and the South East being higher than the average.

Window installation cost calculator

The most accurate way to understand window installation prices is to post a job and request a quote. The total cost of getting windows fitted will depend on a number of factors including:

  • The number of windows you need.
  • The size of the windows.
  • How easy the windows are to get access to.
  • The condition of the area of the property where your windows will be fitted, e.g the condition of any existing lintels or if these will be replaced.
  • Whether any preparation work needs to be carried out prior to installation
  • Labour costs
  • Additional costs such as scaffollding.

Window installation costs may also vary depending on where you live and if you are able to work with a local tradesperson or if they need to travel to work on your property.

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Window installation considerations

Planning permission might not be something you have considered as being relevant for window installation. If you are simply replacing windows in a similar style and size to the existing windows then you shouldn’t need to apply for planning permission.

If you are adding additional new windows then in some cases you may need planning permission. so it is always important to seek professional advice. Any replacement windows should meet building regulations.

Window installation quotes

Ready to get a window installation quote? When the time comes, we always recommend getting a minimum of 3 quotes from a professional tradesperson so you can compare all aspects of the job, including price.

Getting a quote is as easy as using our request a quote service. Simply post your job and you’ll hear back from 3 tradespeople with their quotations. You can also type in your postcode, read reviews and shortlist your preferred tradespeople to contact for a quote.

Summary of window fitting prices

  • Costs will vary based on your location, the size and material of the windows and how many panes of glass there are.
  • Remember to budget for the windows themselves, which aren’t accounted for in these prices unless stated.
  • If you’re replacing an old window, make sure to factor in the cost of removing and disposing of it.
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