How long do windows take to fit?

A whole-house replacement of eight to ten windows is typically two to three days.

Will they make good the plaster?

Most quotes include internal trims but not full re-plastering. Ask explicitly.

Cost guide

Windows and doors are priced per opening, supplied and fitted, including making good internally.

Pick what you need — we'll price it at current window fitter / conservatory installer rates.

What needs doing

uPVC double-glazed window
£450–£900 per window · Bays and shaped heads cost roughly double a standard casement.
Timber sash window
£1,200–£2,600 per window · Conservation areas often require timber and slim units.
Composite front door
£1,100–£2,200 per door · Side panels and multi-point locks add to the price.
Aluminium bi-fold doors
£1,100–£1,900 per metre · Priced per metre of opening; a structural lintel may be needed.

WhereWhenProperty

Job	Unit	Typical price
uPVC double-glazed windowBays and shaped heads cost roughly double a standard casement.	per window	£450–£900
Timber sash windowConservation areas often require timber and slim units.	per window	£1,200–£2,600
Composite front doorSide panels and multi-point locks add to the price.	per door	£1,100–£2,200
Aluminium bi-fold doorsPriced per metre of opening; a structural lintel may be needed.	per metre	£1,100–£1,900

Ex VAT. South East baseline — the calculator adjusts for your region.

Check the installer is FENSA or CERTASS registered — you need the certificate to sell.
Compare glass specification (U-value), not just frame colour.
Ten-year insurance-backed guarantees are standard; get it in writing.

How long do windows take to fit?: A whole-house replacement of eight to ten windows is typically two to three days.
Will they make good the plaster?: Most quotes include internal trims but not full re-plastering. Ask explicitly.

Describe the job once and vetted window fitter / conservatory installers come back to you with priced quotes. Free, and no obligation.