Leakiest streets in OX26, Bicester

32.6%
Band D or below
2920
Certificates
70.8
Average rating
£79
Avg potential saving / yr

What this means

Across 2920 energy certificates in OX26, 952 (32.6%) are rated band D or below. The average current rating is 70.8 out of 100, which the recommended improvements on those certificates would lift to about 84.9. The average estimated annual heating cost is £511, falling to about £432 after the recommended work – a saving of roughly £79 a year.

A 0.2% B 16.0% C 51.3% D 28.5% E 3.5% F 0.5% G 0.1%

Every figure is computed across the certificates in this area – no individual property is identified or listed.

Leakiest streets here

Streets ranked by the share of certificates rated band D or below. Only streets with at least a handful of certificates are shown.

StreetBand D or belowCertsAvg ratingUplift
Blenheim Drive 93.9% 33 50.9 +23.3
Sharpes Cottages 92.0% 25 52.4 +25.8
Partridge Chase 65.0% 40 64.8 +19.4
Spindleside 62.5% 40 64.1 +23.1
Kings End 62.5% 40 66.2 +13.7
The Magnolias 60.5% 38 65.2 +14.0
Moor Pond Close 58.8% 80 65.0 +21.3
Westholm Court 57.5% 40 66.0 +9.5
Sycamore Gardens 57.5% 40 66.3 +18.1
Isis Avenue 57.5% 40 67.5 +15.4
Lime Crescent 55.0% 40 66.8 +15.3
Hawthorn Walk 54.2% 24 65.2 +15.1
Germander Way 53.3% 30 68.5 +12.8
Manston Close 51.3% 39 66.8 +13.3
Coopers Green 50.0% 80 68.2 +17.6
Welland Croft 48.6% 37 66.8 +15.2
Heather Road 47.1% 51 67.1 +17.2
Holm Way 45.0% 40 66.6 +19.9
Lucerne Avenue 45.0% 40 68.0 +12.5
Wensum Crescent 45.0% 40 68.9 +15.9
Avocet Way 43.3% 120 67.1 +19.2
Lancaster Close 42.5% 40 67.5 +19.6
Kestrel Way 42.5% 40 68.5 +14.6
Acorn Close 40.0% 40 68.3 +15.2
Merganser Drive 40.0% 80 68.9 +17.6
Sherwood Close 40.0% 40 69.2 +12.4
Bassett Avenue 37.5% 40 67.5 +16.1
Whimbrel Close 37.5% 40 67.7 +18.9
Willow Drive 36.2% 80 68.1 +18.6
Cranesbill Drive 36.0% 25 69.4 +11.0

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

  • Cavity wall, as built, insulated (assumed) – 60.7%
  • Cavity wall, filled cavity – 15.4%
  • Average thermal transmittance 0.25 W/m²K – 5.3%

Recorded as having no wall insulation: 4.6%.

Roofs

  • Pitched, 100 mm loft insulation – 12.7%
  • Pitched, 200 mm loft insulation – 12.6%
  • Pitched, insulated (assumed) – 11.9%

Recorded as having no roof insulation: 0.7%.

Glazing

  • Fully double glazed – 97.9%
  • High performance glazing – 1.0%
  • Partial double glazing – 0.3%

Main heating

  • Boiler and radiators, mains gas – 78.5%
  • Electric storage heaters – 11.8%
  • Room heaters, electric – 3.4%

What insulation adds in OX26

See the average current-to-potential uplift and the estimated heating-cost saving for this area.

What insulation adds in OX26

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Leakiest streets here

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