21a, Amersham Hill, High Wycombe, HP13 6NU
About 21a
21a is a semi-detached house in High Wycombe (HP13 6NU). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (August 2020) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in March 2009 the rating was F, the property has climbed 2 bands since. Between certificates, window efficiency went from Very Poor to Good, lighting went from Very Poor to Very Good and main heating went from Poor to Average. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on electricity.
At 78 m² it's 21.7% larger than the typical home in the postcode (64 m² median across 13 EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 31 August 2030
Property Improvements
Changes detected from historical EPC data
Heating system changed
Hot water system changed
Single glazing replaced with double or better glazing
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
21a has no planning applications on record.
But the area is active
13 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£224,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 1 sales in HP13 6NU: £1,125,000 (2006–2006).
Nearby sales in HP13 6NU
Versus other Amersham Hill homes
EPC Rating for 21a runs comfortably ahead of the street norm.
EPC Rating
65 (D)
Street avg 48 (E)
Floor Area
78 m²
Street avg 58 m²
CO₂ Emissions
5.8 t/year
Street avg 4.5 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
Similar properties nearby
1 Cedar Court, Totteridge Road
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1 Clement Court, St Marks Close
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1 Benedict Court, St Marks Close
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1 Clarence Court
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
223/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Railway Station — bus stop.
Closest school
0.3 km
Hamilton Academy. 21 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
54.2dB

Night-time· 23:00 – 07:00
44.4dB







