Model valuation£417,0008 Busby Close
Local market context
20 Carrington Avenue is a two-bedroom detached house in Flackwell Heath, High Wycombe, High Wycombe (HP10 9AL). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (July 2015) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2008. Between certificates, roof efficiency went from Poor to Good and window efficiency went from Average to Good; while main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from July 2015, so improvements made since then won't be reflected.
4 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2009–2018, sale prices on this property compounded at 7% per year. Today's modelled estimate of £553,000 is 17.7% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£672/sq ft) was about 56.2% above the typical sold price in the postcode. Last sale on file: £470,000 in October 2018.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 13 Jul 2025
Certificate validity
Expired on 13 July 2025
Changes detected from historical EPC data
Windows upgraded, improving insulation
Roof insulation improved
Floor insulation added or improved
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20 Carrington Avenue has 2 separate extension applications on the council record.
4 applications on record at 20 Carrington Avenue, Flackwell Heath, High Wycombe, HP10 9AL
Extension: Front of property
Householder applicaiton for erection of single storey extension to front and fence to boundary replaced
+ 1 more application in the report
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20 Carrington Avenue saw 3 transfers in just over a decade — high turnover for the postcode.
£553,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 9 years.
£470,000
Growth on file: 7.0% per year over 9 years.
15 October 2018Most recent
£470,000
+2.2%over 3 years17 September 2015
£460,000
+84.0%over 6 years2 July 2009
£250,000
Median price across the last 5 sales in HP10 9AL: £472,500 (2026–2021).
6 Carrington Avenue, Flackwell Heath, High Wycombe, HP10 9AL
Sold Feb 2026
19 Carrington Avenue, Flackwell Heath, High Wycombe, HP10 9AL
Sold Apr 2024
1 Carrington Avenue, Flackwell Heath, High Wycombe, HP10 9AL
Sold Sept 2021
14 Carrington Avenue, Flackwell Heath, High Wycombe, HP10 9AL
Sold Jul 2021
5 Carrington Avenue, Flackwell Heath, High Wycombe, HP10 9AL
Sold Mar 2021
CO₂ Emissions for 20 Carrington Avenue runs comfortably ahead of the street norm.
Price per m²
£7,231
Street avg £5,486
Floor Area
65 m²
Street avg 81 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.3 t/year
Street avg 4.2 t/year
Property research, connected
Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
Start your researchHP10 9AL
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Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
59/mo
Falling year-on-year across the wider district.
Nearest stop
0.3 km
The Common — bus stop.
Closest school
0.3 km
Carrington Junior School. 12 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.

Daytime· 07:00 – 23:00
47.7dB

Night-time· 23:00 – 07:00
39.2dB