6 min read
The honest answer is that it depends on size, material and how many you're doing at once — but 'it depends' isn't much use when you're trying to budget. So here are the real numbers we quote around Rochdale and Greater Manchester, and what pushes a price up or down.
Every figure below is supply and fit, including taking the old frames away. Your exact price comes from a free survey — you can also get an instant estimate on our online calculator by typing in your own sizes.
Typical price per window
As a rough guide for a standard-sized opening, fitted:
- •uPVC casement window (approx. 1200 x 1200mm): £450–£700
- •Larger uPVC window or two-part opener: £600–£900
- •uPVC bay window (3–5 sections): £1,400–£2,600
- •Aluminium casement window: roughly 40–60% more than the uPVC equivalent
- •Flush casement / heritage style: add around 15–25% over standard casement
Typical whole-house prices
Most Rochdale houses fall into one of these brackets:
- •Two-bed terrace (5–6 windows): around £3,000–£4,500 in uPVC
- •Three-bed semi with a bay (7–9 windows): around £4,500–£7,000 in uPVC
- •Four-bed detached (10–14 windows): around £7,000–£11,000 in uPVC
What actually changes the price
Six things move the number more than anything else:
- •Size — windows are priced by area, so a big opening costs more than two small ones of the same total width
- •Material — aluminium costs more than uPVC but gives slimmer sightlines and more strength over wide spans
- •Colour — anthracite grey, black and heritage foils cost more than standard white
- •Glass — acoustic, laminated, obscure and solar-control units all add to the unit price
- •Access — upper floors needing scaffolding or a tower add labour
- •Quantity — doing the whole house at once is always cheaper per window than one at a time
Is it worth replacing or repairing?
If the frames are straight and the hardware still works, and the only problem is misting, replacing the sealed unit alone is far cheaper — typically £90–£180 per unit rather than £450+ for a new window.
Replacement makes sense when frames are warped, hinges and gearboxes are obsolete, or the glazing is single-glazed or first-generation double glazing with no meaningful insulation.
Beware the 'today only' quote
The big national companies still open at a huge number and 'discount' it while sitting in your living room. We don't work that way: you get one written, fixed price after a proper survey, and it's the same price whether you sign today or in three weeks.
FAQs
Are new windows cheaper in winter?
Slightly, in the sense that installers are quieter — but the difference is small. Availability and lead time matter more.
How long do new windows take to fit?
Most houses are completed in one to two days depending on the number of openings and access.
Do you offer finance?
Yes, spread payment options are available on larger installations — ask at survey.