10a, Dashwood Avenue, High Wycombe, HP12 3DN
About 10a
10a is a one-bedroom semi-detached house in High Wycombe (HP12 3DN). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (March 2019) 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, lighting dropped from Average to Very Poor. The recommended improvements would push it to C (score 80). At 49 m² this is the 9th smallest of 24 units on EPC record in the building, where floor areas span 29–134 m². The building's EPC ratings span F to C across 24 units on file.
It hasn't traded since October 2006, a hold of 20 years that's notably long for the area. At 49 m² it sits well below the postcode median (72 m² across 23 EPCs), making it one of the more compact homes locally. Across 2002–2006, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £163,000 is 41.7% above the 2006 sale price.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Dining roomYes
Outside
- ParkingOff road
Building
- Heating systemGas
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
10a has no planning applications on record.
But the area is active
10 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
10a valuation sits well clear of the typical sold price in this postcode.
£163,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 4 years.
£115,000
Growth on file: 6.2% per year over 4 years.
Sales timeline
31 October 2006Most recent
£115,000
+26.4%over 3 years29 November 2002
£91,000
Median price across the last 5 sales in HP12 3DN: £289,000 (2025–2021).
Nearby sales in HP12 3DN
14 Dashwood Avenue, High Wycombe, HP12 3DN
Sold Mar 2025
£322,50022 Dashwood Avenue, High Wycombe, HP12 3DN
Sold Jul 2024
£285,00010b, Dashwood Avenue, High Wycombe, HP12 3DN
Sold Sept 2022
£135,0009 Dashwood Avenue, High Wycombe, HP12 3DN
Sold Sept 2021
£289,00013 Dashwood Avenue, High Wycombe, HP12 3DN
Sold Oct 2020
£260,000
Versus other Dashwood Avenue homes
On years held, 10a stands well clear of the street.
Price per m²
£2,347
Street avg £3,421
Floor Area
49 m²
Street avg 41 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
2.1 t/year
Street avg 2.3 t/year
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The neighbourhood at a glance
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Oakridge Road — bus stop.
Closest school
0.3 km
Oakridge School. 18 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
50.6dB

Night-time· 23:00 – 07:00
39.9dB







