Window costs in Middlesbrough
Indicative pricing for a standard 1200×1000mm casement window fully fitted in Middlesbrough, across four common specifications.
| Material | Glazing | Size | Price range |
|---|---|---|---|
| uPVC | Double | Standard (1200x1000mm casement) | £430 - £1,060 |
| uPVC | Triple | Standard (1200x1000mm casement) | £720 - £1,350 |
| Aluminium | Double | Standard (1200x1000mm casement) | £770 - £1,870 |
| Timber | Double | Standard (1200x1000mm casement) | £1,020 - £2,980 |
Property age in Middlesbrough
Based on 65,196 Energy Performance Certificates issued across Middlesbrough. Age band shapes which window fittings are specified — pre-1919 homes typically need timber sash or heritage-pattern casement; post-1980 stock accepts off-the-shelf uPVC.
Source: DCLG EPC bulk domestic dataset (OGL v3). Certificates issued to 2026-04-24.
8 conservation areas recorded in Middlesbrough on Historic England's national register. If your property sits inside one, expect Article 4 directions and consent requirements that affect window choice and material — see Article 4 directions and windows in conservation areas.
By window type in Middlesbrough
Casement
See casement prices and specification in Middlesbrough.
Sash
See sash prices and specification in Middlesbrough.
Tilt & Turn
See tilt & turn prices and specification in Middlesbrough.
Bay
See bay prices and specification in Middlesbrough.
French
See french prices and specification in Middlesbrough.
Roof
See roof prices and specification in Middlesbrough.
Secondary glazing
See secondary glazing prices and specification in Middlesbrough.
Next steps
Look at installers covering Middlesbrough, or read the full cost-guide library for material and glazing deep-dives.