East Midlands · Updated 30 Sep 2026
Double Glazing Costs in Corby
Corby sits close to the national baseline in the current model, which makes it a useful place to compare the effect of opener count. The examples below hold the region steady and change the frame configuration so the price movement is easier to understand.
See what the opener changes
A medium fixed window costs less than the same size with opening hardware. Adding a second opener raises the centre again, even though the outside dimensions have not changed.
1200 × 1200 mm · 1 opener
1200 × 1200 mm · fixed
1200 × 1200 mm · 2 openers
600 × 900 mm · white uPVC
A worked Corby project
Take a 7-window project containing 3 medium casements, 2 two-opening casements, 2 small one-openers. Using the current East Midlands setting and the project-size adjustment, the model centres that mix at about £3,070. A practical fitted comparison band is roughly £2,335–£3,805. The mix matters: replacing one of the fixed frames with an extra opening casement would change the total even though the number of windows stays the same.
Do not use one “average window”
If a quote contains fixed, single-opening and double-opening frames, price them separately. An average per-window number can hide a big specification difference.
For the standard medium example, that produces a fitted centre of about £510 in Corby.
Keep size, openers, glazing and colour aligned before deciding which quote is better value.
Compare with nearby markets
Neighbouring guides are context, not a claim that installers across different towns should charge the same amount.
Common Corby quote questions
The details most likely to matter when you compare an installer quote.
Can I use these Corby prices to check an installer quote?
Yes. Match the same frame size, opener layout and specification, then compare the fitted range rather than expecting one exact local tariff.
Does the Corby benchmark include removal?
A normal replacement assumes ordinary removal and basic making good. Significant structural repairs and unusual access sit outside the standard benchmark.
How much is the medium one-opener example in Corby?
The current fitted centre is about £510 for a white double-glazed uPVC frame at 1200 × 1200 mm.
Build a fitted Corby estimate.
Rough measurements are enough to begin; exact dimensions can narrow the range when you have them.
Open the price calculator →