Window Costs &
Finance Options

Typical costs for window installation vary by material and style. uPVC windows generally cost between £300 and £600 per window installed, aluminium windows range from £500 to £900, and timber windows from £600 to £1,200. Bay and sash windows usually command higher prices within these ranges.

Full replacement costs depend on the size of the property: 2-bedroom terrace (8-10 windows): £4,000 - £8,000, 3-bedroom semi-detached (12-15 windows): £6,000 - £12,000, 4-bedroom detached (16-20 windows): £8,000 - £16,000.

Costs vary with window material, style (e.g. casement, sash, bay), glazing type, size, complexity of installation, and any additional features like heritage specifications or security upgrades.

Yes, several finance options are offered: 0% interest finance plans for qualifying customers, with repayment terms of 12 to 60 months, subject to credit approval. Buy Now Pay Later options with deferred payments for 6 to 12 months. Personal loans from banks or building societies, which typically allow you to own the windows immediately.

Standard VAT of 20% applies, but some energy-efficient window installations might qualify for reduced VAT rates depending on government regulations and eligibility criteria.

It's best to request detailed, itemised quotes from multiple local installers. This helps you compare prices based on the exact window types, sizes, and services included to avoid hidden costs.

Potential hidden charges include removal and disposal of old windows, structural changes (such as cutting brickwork or installing lintels), and additional upgrades like security locks or special glazing.

Yes. Flexible payment plans like interest-free finance or buy-now-pay-later schemes help spread costs without upfront full payment, making window upgrades more affordable.

uPVC windows are generally the most cost-effective and low maintenance, aluminium offers modern style and durability at a moderate price, while timber windows suit period properties but are typically more expensive.

Factor in not just the window cost, but also installation, VAT, any necessary structural work, finance charges (if applicable), and potential savings from improved energy efficiency.