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The cost of fitting can vary massively between installers and depends upon the amount of work involved (both expected and unexpected) and the quality and amount of materials being used. Some national firms sell you the ‘bundle’. This means the windows, doors and installation, all in one fee. However, it may be more prudent to be able to split the two to get some transparency in the pricing.

Don’t feel pressured into making any hasty decisions or sign ‘today only’ deals. Many reputable companies that sell you the windows and doors will be able to recommend or arrange a qualified installer to quote for you.

Installation Costs Guide

We've worked with window and door installers to obtain an indicative price for the installation of a range of different doors and windows, which we've summarised below. It's important to point out that a survey will always be required to ensure that any specific details relating to your property are discussed.

Single Window 620 x 1050mm: £320 - £350

Double Window 1200 x 1200mm: £320 - £350

Triple Window 1800 x 1200mm: £320 - £350

Quad Window 2400 x 1200mm: £320 - £350

Front Door 920 x 2090mm: £370 - £400

Back Door 920 x 2090mm: £370 - £400

Small French Door 1400 x 2090mm: £500 - £550

Large French Door 1800 x 2090mm: £500 - £550

Sliding Patio Doors 2100 x 2100mm: £410 - £440

Lantern Roof 1500 x 1000mm: £700 - £750

Bi-Fold Door 3000 x 2100mm: £770 - £800