Double Glazing Oxford – Prices & Costs | Relentless Windows
Double Glazed Windows in Oxford – Prices, Costs & Your Complete Guide
If you’re looking for double glazed windows in Oxford, you’re probably wondering: What will it cost? How do I make sure I’m getting the best deal? At Relentless Windows, we help Oxford homeowners understand double glazing costs, prices, and options so you can make the right choice for your property.
With over 20 years of experience installing high performance, energy efficient windows across Oxford and the surrounding areas, we deliver transparent pricing, expert installation, and a 10-year guarantee – no gimmicks or hidden fees.
How Much Does Double Glazing Cost in Oxford (2025 Pricing Guide)?
The average double glazed window cost in Oxford ranges from £400 – £1,200 per window, including installation. The final price depends on window style, material, and your property’s needs.
For a typical three bedroom Oxford home with 10 windows, prices usually fall between £4,000 and £8,000 for a full installation.

What Affects Double Glazing Prices?
- Frame Material – uPVC is cost effective, aluminium offers a modern, slimline look, timber provides a classic aesthetic but is higher cost.
- Window Style – Casement is most affordable; sash, bay, and tilt and turn windows cost more due to complexity.
- Size and Quantity – Larger properties or custom sized windows increase overall costs.
- Energy Rating – A+ energy rated windows cost slightly more but cut heat loss and lower bills.
- Glass Options – Toughened, acoustic, or solar-control glazing enhances comfort but can add to the total price.
Typical Double Glazing Costs (Oxford Area)
| Property Type | Number of Windows | Estimated Price (Installed) |
|---|---|---|
| 1-Bedroom Flat | 4–5 | £1,800 – £3,500 |
| 3-Bedroom Semi-Detached | 8–10 | £4,000 – £8,000 |
| 4-Bedroom Detached | 12–15 | £6,500 – £12,000 |
Prices are for guidance only. For a precise quote, call 0333 242 0450 or email info@relentlesswindows.co.uk.
Why Upgrade to Double Glazed Windows?
Replacing old single glazed or inefficient windows with modern double glazing brings immediate benefits for Oxford homeowners:
- Lower Energy Bills – Reduce heat loss by up to 40% and enjoy a warmer home for less.
- Noise Reduction – Perfect for busy areas like Cowley, Headington, and central Oxford.
- Improved Security – Our windows feature multi-point locking systems for peace of mind.
- Boosted Property Value – Energy efficient homes with modern glazing are more appealing to buyers.
- Year Round Comfort – Keep your home warm in winter and cooler in summer.

Serving Oxford and Surrounding Areas
Relentless Windows is proud to serve:
- Oxford – City Centre, Jericho, Cowley, Headington, Summertown
- Abingdon
- Bicester
- Kidlington
- Witney
- Other Oxfordshire villages
No matter where you’re based, our promise is the same: expert installation, reliable service, and fair prices.
Why Choose Relentless Windows?
When comparing double glazing companies in Oxford, Relentless Windows stands out for:
- Over 20 Years’ Experience serving Oxfordshire homeowners.
- Energy Efficient Products that meet or exceed UK Building Regulations.
- Transparent, Honest Quotes – no hidden fees or pushy sales tactics.
- 10 Year Guarantee on all installations.
- Bespoke Styles and Finishes to match your home’s character.
Explore our full window and door range →
Getting the Best Double Glazing Price in Oxford
To ensure the best value for money when investing in new windows:
- Request a Local Quote – Local specialists like Relentless Windows offer competitive rates compared to national chains.
- Prioritise Energy Ratings – A-rated double glazing reduces ongoing heating costs.
- Choose the Right Material – uPVC for affordability, aluminium for sleek design, timber for traditional style.
- Bundle Home Improvements – Combine windows with a composite door, patio doors, or a conservatory for potential savings.
Other Home Improvement Services
Alongside our double glazed windows, Relentless Windows offers:
- Composite Doors – Stylish, secure entrances.
- Patio Doors – Sliding or bi-fold options to enhance your living space.
- Conservatories – Add natural light and extra living space to your home.
FAQs – Double Glazing Costs & Installation
What is the average cost of double glazed windows in Oxford?
Most homeowners spend £400 – £1,200 per window, with 3-bedroom homes averaging £4,000 – £8,000.
How long does installation take?
An average 8–10 window property can usually be fitted in 2–3 days.
Are installation and guarantees included in your prices?
Yes – every quote includes full installation, VAT, and a 10-year guarantee.
Do you cover areas outside Oxford?
Yes – we serve Abingdon, Bicester, Kidlington, Witney, and more across Oxfordshire.
What styles of windows do you install?
We supply and install casement, sash, tilt and turn, bay, and custom windows in uPVC, aluminium, and timber effect finishes.
Get Your Free Double Glazing Quote in Oxford
Upgrade your home with energy efficient, secure, and stylish double glazed windows. Relentless Windows is Oxford’s trusted local installer.
For your free, no obligation quote, contact us today:
📞 0333 242 0450
📧 info@relentlesswindows.co.uk