12 Bishops Walk, Aylesbury, HP21 7LF
About 12 Bishops Walk
12 Bishops Walk is a semi-detached house in Aylesbury (HP21 7LF). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1976-1982 and council tax band B. At 60 m² this is the 8th smallest of 11 units on EPC record in the building, where floor areas span 55–94 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (May 2026) shows a C (score 76), near the top of the C band. When first surveyed in November 2011 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Poor to Good and hot-water efficiency went from Average to Good. This certificate was lodged in the last six months, so the rating reflects current condition.
Across 1998–2020, sale prices on this property compounded at 5.1% per year. Today's modelled estimate of £175,000 sits 52.2% above the 2020 sale of £115,000. On a £-per-square-foot basis, the last sale (£178/sq ft) was about 43.7% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 70% of similar EPCs). Last sale on file: £115,000 in April 2020.
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 13 May 2036
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Low energy lighting percentage decreased
Wall insulation upgraded
Roof insulation improved
More low energy lighting installed
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Planning history
A recent planning application at 12 Bishops Walk was refused — worth checking the council file.
2 applications on record at 12 Bishops Walk, Aylesbury, HP21 7LF
- Jan 2021ExtensionFullOutcome in report
Extension: Single storey
Third floor roof extension to create 4no. residential units, (2x 1-beds and 2x 2-beds), together with vehicle and cycle parking.
- Documents
- 42 docs on file
- Reference
- 20/02632/APP
- More recent applications — locked
- ExtensionNov 2021Decision
Unlock 12 Bishops Walk, Aylesbury, HP21 7LF's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 3 notable nearby
- The 75 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Sale price has grown by over 3x since 1998.
£175,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 22 years.
£115,000
Growth on file: 5.1% per year over 22 years.
Sales timeline
29 April 2020Most recent
£115,000
+42.0%over 12 years6 March 2008
£81,000
+113.2%over 10 years2 February 1998
£38,000
Median price across the last 5 sales in HP21 7LF: £285,000 (2023–2021).
Nearby sales in HP21 7LF
Versus other Bishops Walk homes
CO₂ Emissions for 12 Bishops Walk runs comfortably ahead of the street norm.
Price per m²
£1,917
Street avg £2,326
Floor Area
60 m²
Street avg 57 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.6 t/year
Street avg 2.8 t/year
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The neighbourhood at a glance
Crime
175/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Police Station — bus stop.
Closest school
0.3 km
The Grange School. 28 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
51.8dB

Night-time· 23:00 – 07:00
42.0dB







