21a, Top Flat, Crendon Street, High Wycombe, HP13 6LJ
About 21a
21a is a two-bedroom mid-terrace house in High Wycombe (HP13 6LJ). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (September 2021) shows an E (score 50), well below the UK norm with real room to improve. When first surveyed in January 2011 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Average and hot-water efficiency went from Average to Good; while lighting dropped from Good to Average. The recommended improvements would lift it to C (score 71), a 2-band jump. Period features are noted in the property record.
Across 2011–2022, sale prices on this property compounded at 7% per year. On a £-per-square-foot basis, the last sale (£350/sq ft) was about 118.2% above the typical sold price in the postcode. Last sale on file: £215,000 in April 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms2
Building
- Heating systemGas
- Period featuresYes
- RefurbishedYes
Everything you need to know about 21a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
Wall insulation improved
Low energy lighting percentage decreased
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
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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 more than doubled in price since the earliest registered sale in 2011.
£220,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 11 years.
£215,000
Growth on file: 7.0% per year over 11 years.
Sales timeline
10 April 2022Most recent
£215,000
+110.8%over 11 years16 March 2011
£102,000
Median price across the last 3 sales in HP13 6LJ: £102,000 (2022–2011).
Versus other Crendon Street homes
21a outperforms the street on habitable rooms by a wide margin.
EPC Rating
50 (E)
Street avg 57 (D)
Floor Area
57 m²
Street avg 49 m²
CO₂ Emissions
4.0 t/year
Street avg 3.5 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 21a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Crendon Street — bus stop.
Closest school
0.4 km
Hamilton Academy. 22 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
55.6dB
Night-time· 23:00 – 07:00
46.1dB