Energy efficiency on Corn Street, Witney

60.4%

Band D or below

Certificates

59.8

Average rating

+17.9

Potential uplift

What this means

Across 96 energy certificates on Corn Street, Witney, 58 (60.4%) are rated band D or below. The average current rating is 59.8 out of 100, rising to about 77.7 after the improvements recommended on those certificates – an average uplift of 17.9 points. The average estimated annual heating cost is £913, falling to about £598 – a saving of roughly £315 a year.

B C D E F G

B 13.5% C 26.0% D 22.9% E 26.0% F 7.3% G 4.2%

Every figure is an aggregate across the certificates on this street. No individual property, address or occupier is identified.

What the certificates say about the fabric

The most common construction descriptions recorded across these certificates. Percentages are of certificates where the field was recorded.

Walls

Sandstone, as built, no insulation (assumed) – 34.2%
Sandstone or limestone, as built, no insulation (assumed) – 24.7%
Average thermal transmittance 0.28 W/m²K – 16.4%

Recorded as having no wall insulation: 69.9%.

Roofs

Pitched, no insulation (assumed) – 15.1%
Average thermal transmittance 0.18 W/m²K – 11.0%
Average thermal transmittance 0.15 W/m²K – 8.2%

Recorded as having no roof insulation: 26.0%.

Glazing

Fully double glazed – 72.0%
Partial double glazing – 16.0%
Partial secondary glazing – 4.0%

Main heating

Boiler and radiators, mains gas – 65.8%
Boiler and underfloor heating, mains gas – 16.4%
Electric storage heaters – 11.0%

The wider area

See how this street compares with others in OX28.

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