Picking new window frames is about striking a balance between thermal performance, style and budget. Cliffside Windows supplies and installs uPVC and aluminium windows across Lincolnshire, so you can compare like-for-like and choose the right windows for your home with confidence. We fit, service and support every installation.
Quick comparison
Cost
• uPVC: Lower upfront cost but doesn’t last as long
• Aluminium: Higher upfront cost
Thermal performance
• uPVC: Excellent thermal insulation properties
• Aluminium: Strong with thermal breaks
Noise reduction
• uPVC: Superior sound insulation from multi-chambered frames and seals
• Aluminium: Good, improves with glazing choice
Maintenance
• uPVC: Low maintenance requirements; clean with soapy water
• Aluminium: Minimal maintenance; durable powder coat
Durability
• uPVC: Long-lasting with modern profiles. Typical lifespan of 20–30 years
• Aluminium: Very long lifespan, often exceeding 40 years, with excellent resistance to extreme weather
Aesthetics
• uPVC: Wide range of colours, woodgrains, RAL colour options
• Aluminium: Slim frames and modern aesthetics
Security
• uPVC: Multi-point locking options
• Aluminium: Multi-point locking options
Cost – what is the upfront cost difference?
If budget is your main consideration, uPVC windows usually come out ahead. The material is more cost-effective to manufacture, meaning the upfront cost is generally lower compared to aluminium. This makes uPVC a popular choice for families or homeowners working to a budget. Aluminium windows do have a higher price tag, but many customers see the extra investment as worthwhile thanks to their longer lifespan and durability.
Thermal performance – how do they compare for energy efficiency?
When it comes to keeping the heat in, uPVC frames naturally provide excellent thermal insulation properties. The multi-chambered design of uPVC reduces heat transfer and helps deliver significant energy savings on your bills. Aluminium frames, by contrast, are a natural conductor of heat, but with modern thermal breaks built into the design, today’s aluminium windows achieve very strong thermal performance. For homes exposed to harsher weather conditions, both window types paired with double glazing can offer peace of mind.
Noise reduction – which material performs better?
uPVC frames are generally better at sound insulation, thanks to their multi-chambered profiles and tight seals, which help to dampen vibrations and block outside noise. This makes uPVC an excellent choice if you live near a busy road, railway line or other noisy environment. Aluminium windows can also perform well acoustically when paired with specialist glazing, but as a rule uPVC is often the quieter option.
Maintenance – how easy are they to look after?
Both materials are known for low maintenance requirements, but in slightly different ways. uPVC frames only need the occasional wipe with soapy water to stay looking clean, while their weather-resistant finish prevents rotting or flaking. Aluminium frames also demand minimal maintenance, as their powder-coated finish is extremely durable and keeps its colour well. Neither material needs painting, so whichever you choose, you can enjoy windows that stay in top condition with minimal effort.
Durability – how long will the windows last?
Aluminium frames are renowned for their exceptional durability, often lasting over 40 years without warping, swelling or cracking. They stand up well to extreme weather and are a good option if you want windows that will last for decades. uPVC windows typically offer a lifespan of around 20–30 years, which is still long-lasting and more than suitable for many properties. Choosing between them may come down to how long you plan to stay in your home, or whether longevity outweighs initial cost.
Aesthetics – which option looks better?
The aesthetics of aluminium windows appeal to homeowners looking for slim frames, more natural light and a modern design. They’re especially popular for new builds, extensions and contemporary-style homes. uPVC windows, while slightly chunkier in profile, are available in a wide range of colours and finishes, including realistic woodgrain effects and RAL colours. This means uPVC can suit both traditional homes and modern settings, giving you flexibility in terms of style.
Security – are both options equally safe?
Security is a priority no matter which type of frame you choose. Both uPVC and aluminium windows can be fitted with advanced multi-point locking systems, making them highly secure. The strength of aluminium frames adds an extra sense of reassurance, while uPVC frames are reinforced where needed to prevent forced entry. With professional installation from Cliffside Windows, either option can deliver excellent levels of home security.
So when is each material the better option?
• uPVC may be the better option if you want significant energy savings for a lower upfront cost, superior noise reduction and minimal maintenance. Learn more at: https://www.cliffsidewindows.co.uk/windows/upvc-windows/
• Aluminium may be the best choice if you want a modern look, slim window frames, excellent durability for longer in harsh weather and a broad colour palette. Learn more at: https://www.cliffsidewindows.co.uk/windows/aluminium-windows/
Not sure which way to go in the uPVC vs aluminium windows debate? Book a free, no-obligation visit with Cliffside Windows.
Tell us your specific needs and budget and we’ll recommend the right choice for your home, then install to a high standard for lasting performance.
Cliffside Windows is a local, family-run installer with over 50 years of trading, fitting uPVC and aluminium windows across Lincolnshire. FENSA-registered installations come with an insurance-backed guarantee, giving long-term reassurance. Our aluminium systems are highly weather resistant and draught proof, and our uPVC range covers popular styles and finishes. Get your online quote
