East Midlands · Updated 26 Sep 2026
Double Glazing Prices in Derby
If you are collecting double-glazing quotes in Derby, use this page as a fitted-price checkpoint rather than a supplier advert. The figures combine common window sizes with the East Midlands adjustment used by our calculator.
Quote-checking focus
Compare the fitted specification, not just the headline number. The four examples below all use the current East Midlands market factor.
600 × 900 mm · white uPVC
1200 × 1200 mm · 1 opener
1200 × 1200 mm · 2 openers
1200 × 1200 mm · 1 opener
A worked Derby project
For a worked Derby example, take a 6-window project made up of 2 small one-openers, 3 medium casements and 1 two-opening casement. After the current job-size and East Midlands adjustments, the model centres that combination at about £2,565, with a broad fitted comparison range of roughly £1,950–£3,180. The purpose of the example is not to create a fixed local tariff; it shows how a mixed project behaves differently from multiplying one advertised window price by 6.
Why the regional number is not the whole story
The local adjustment matters more as the project grows. On a single frame the difference can be modest; across seven or eight units it becomes much easier to see in the finished total.
If you are comparing the wider market as well as Derby, the nearest guides in this batch are Nottingham, Stoke-on-Trent and Birmingham. Their regional settings may be the same or different, which makes them useful for seeing whether a price movement comes from geography or from the window specification itself.
That moves the standard medium uPVC fitted centre to about £510 for this page.
Check whether the quote includes removal, fitting, basic making good and VAT. Those items can explain why a supply-only web price looks much lower than a local fitted quote.
Compare Derby with other price guides
Use nearby markets for context, then use the national guides when you want a broader benchmark.
Questions about window prices in Derby
Short answers based on the same fitted-price model.
How much is a standard uPVC window in Derby?
The current standard 1200 × 1200 mm one-opener fitted benchmark centres around £510 before specification upgrades. Standard fitting and ordinary VAT are included.
Can I use this page to check a Derby double-glazing quote?
Yes. Match the same size, opening pattern and specification, then check that the installer total includes fitting and VAT. Use the figures as a market range rather than a guaranteed local quote.
Does the Derby estimate include removal of old windows?
Standard replacement fitting assumes ordinary removal and basic making good. Scaffolding, structural repairs and unusual access are not treated as standard items.
Build a Derby estimate.
Choose the actual sizes, layouts, glazing and colour you need. The calculator applies the regional market factor automatically.
Start my estimate · £2.99