21 Carrington Avenue, Flackwell Heath, High Wycombe, HP10 9AL
About 21 Carrington Avenue
21 Carrington Avenue is a three-bedroom detached house in Flackwell Heath, High Wycombe, High Wycombe (HP10 9AL). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (February 2015) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in September 2009 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Good to Very Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from February 2015, so improvements made since then won't be reflected. Records show the property has been extended at some point in its history. The home occupies a cul-de-sac position.
Across 1996–2014, sale prices on this property compounded at 6.5% per year. Today's modelled estimate of £547,000 sits 56.3% above the 2014 sale of £350,000. On the market in April 2014 and unlisted since — roughly 12 years.
What this property has
Inside
- Bedrooms3
- Dining roomYes
- StudyYes
- FireplaceYes
Outside
- Private gardenRear
- GarageYes
- Cul-de-sacYes
Building
- Previously extendedYes
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Feb 2025
EPC Rating
Certificate validity
Expired on 19 February 2025
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Hot water efficiency improved
Cavity wall insulation installed
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
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Planning history
21 Carrington Avenue has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21 Carrington Avenue has more than tripled in price since its earliest registered sale in 1996.
£547,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 17 years.
£350,000
Growth on file: 6.5% per year over 17 years.
Sales timeline
10 April 2014Most recent
£350,000
+200.4%over 17 years29 November 1996
£116,500
Median price across the last 5 sales in HP10 9AL: £472,500 (2026–2021).
Nearby sales in HP10 9AL
6 Carrington Avenue, Flackwell Heath, High Wycombe, HP10 9AL
Sold Feb 2026
£555,00019 Carrington Avenue, Flackwell Heath, High Wycombe, HP10 9AL
Sold Apr 2024
£549,9501 Carrington Avenue, Flackwell Heath, High Wycombe, HP10 9AL
Sold Sept 2021
£470,00014 Carrington Avenue, Flackwell Heath, High Wycombe, HP10 9AL
Sold Jul 2021
£472,5005 Carrington Avenue, Flackwell Heath, High Wycombe, HP10 9AL
Sold Mar 2021
£427,500
Versus other Carrington Avenue homes
21 Carrington Avenue outperforms the street on habitable rooms by a wide margin.
Price per m²
£4,730
Street avg £5,642
Floor Area
74 m²
Street avg 80 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.4 t/year
Street avg 4.1 t/year
Similar properties nearby
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1 Cherrywood Gardens, Flackwell Heath
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1 Carrington Avenue, Flackwell Heath
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1 Chiltern Green, Flackwell Heath
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The neighbourhood at a glance
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.
Road noise across the postcode

Daytime· 07:00 – 23:00
47.7dB

Night-time· 23:00 – 07:00
39.2dB







