UPVC vs Aluminium Windows: Which Is Right for Your Home?
If you're replacing windows in {location}, one of the first decisions you'll face is material: UPVC or aluminium. Both are popular across the UK, but they suit different homes, budgets and priorities. Here's what you need to know before making your choice.
UPVC Windows: The UK's Most Popular Choice
UPVC has dominated the UK window market for decades, and for good reason. It's affordable, low-maintenance and delivers excellent thermal performance. Modern UPVC frames come in a wide range of colours and woodgrain finishes, moving well beyond the plain white frames of the 1990s.
- Cost: Typically 20-40% cheaper than aluminium equivalents
- Thermal efficiency: Excellent insulation with multi-chamber profiles, often achieving A+ energy ratings
- Maintenance: Virtually zero — wipe clean with soapy water
- Lifespan: 20-30 years with proper care
The main drawback is aesthetics. UPVC frames are thicker than aluminium, which means less glass area and a chunkier appearance. On period properties or contemporary builds, this can look out of place.
Aluminium Windows: Sleek, Strong and Long-Lasting
Aluminium frames are slimmer, stronger and increasingly popular in modern homes across {location} and the rest of the UK. They suit contemporary architecture particularly well, with clean sightlines and large expanses of glass.
- Cost: Higher upfront — expect to pay £400-£900 per window depending on size and specification
- Thermal efficiency: Modern thermally broken aluminium frames perform almost as well as UPVC
- Maintenance: Powder-coated finishes resist fading and corrosion for decades
- Lifespan: 30-45 years, often longer
Which Should You Choose?
Consider UPVC if you want the best value for money and maximum thermal efficiency on a budget. Choose aluminium if you favour slim frames, a contemporary look or need large-format windows and bi-fold doors.
For listed buildings or conservation areas in {location}, you may face planning restrictions on both — always check with your local authority before ordering. Any replacement windows must comply with Building Regulations, and your installer should be registered with FENSA or a similar competent person scheme.
What to Do Next
Get at least three quotes from FENSA-registered installers in {location}. Ask each to explain the energy rating, guarantee length and whether the price includes making good internal plastering. A reputable window fitter will be happy to show you samples of both materials before you commit.