WindowCost
Durham

Window costs in Durham

Indicative pricing for a standard 1200×1000mm casement window fully fitted in Durham, across four common specifications.

MaterialGlazingSizePrice 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 Durham

Based on 238,535 Energy Performance Certificates issued across County Durham. 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.

Pre-1919: 21.6% (51,435 certs) 21.6%Pre-1919 1919-1944: 15% (35,793 certs) 15%1919-1944 1945-1964: 22.6% (54,019 certs) 22.6%1945-1964 1965-1980: 15.9% (37,945 certs) 15.9%1965-1980 1981-2002: 9% (21,543 certs) 9% 2003+: 6.3% (15,023 certs)
1981-2002 9% 2003+ 6.3%

Source: DCLG EPC bulk domestic dataset (OGL v3). Certificates issued to 2026-04-24.

93 conservation areas recorded in Durham 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 Durham

Casement

See casement prices and specification in Durham.

Sash

See sash prices and specification in Durham.

Tilt & Turn

See tilt & turn prices and specification in Durham.

Bay

See bay prices and specification in Durham.

French

See french prices and specification in Durham.

Roof

See roof prices and specification in Durham.

Secondary glazing

See secondary glazing prices and specification in Durham.

Next steps

Look at installers covering Durham, or read the full cost-guide library for material and glazing deep-dives.