11 Castle House, Desborough Road, High Wycombe, HP11 2FP
About 11 Castle House
11 Castle House is a mid-terrace house in High Wycombe (HP11 2FP). It has a recorded floor area of 44 m² (around 474 sq ft). At 44 m² this is the 21st smallest of 40 units on EPC record in the building, where floor areas span 31–61 m². The building's EPC ratings span D to B, with this unit at the bottom. The latest certificate (November 2018) shows a D (score 68), on the cusp of jumping into the C band. Main heating runs on electricity: electricity, unspecified tariff.
Today's modelled estimate of £196,000 is 10.9% below the 2021 sale of £220,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs). Most recent transfer: March 2021 at £220,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
EPC Rating
Certificate validity
Valid until 25 November 2028
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Planning history
11 Castle House has no planning applications on record.
But the area is active
7 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£196,000
Modelled from EPC, postcode comparables.
£220,000
Recorded with HM Land Registry.
Sales timeline
15 March 2021Most recent
£220,000
20 December 2018
£220,000
Median price across the last 5 sales in HP11 2FP: £192,000 (2025–2024).
Nearby sales in HP11 2FP
40 Castle House, Desborough Road, High Wycombe, HP11 2FP
Sold Jul 2025
£192,00023 Castle House, Desborough Road, High Wycombe, HP11 2FP
Sold Jun 2025
£195,0001 Castle House, Desborough Road, High Wycombe, HP11 2FP
Sold May 2025
£192,00038 Castle House, Desborough Road, High Wycombe, HP11 2FP
Sold Sept 2024
£175,0008 Castle House, Desborough Road, High Wycombe, HP11 2FP
Sold Jul 2024
£177,500
Versus other Desborough Road homes
On years held, 11 Castle House runs well behind the street norm.
Price per m²
£5,000
Street avg £4,935
Floor Area
44 m²
Street avg 43 m²
CO₂ Emissions
1.6 t/year
Street avg 1.4 t/year
Years Held
5 years
Street avg 7 years
Similar properties nearby
1 Castle House, Desborough Road
HP11 2FP
1 High Street
HP11 2AZ
1 Alexandra Park, Queen Alexandra Road
HP11 2HJ
1 Elliott House, Shaftesbury Street
HP11 2NL
1 Green Street
HP11 2RA
1 Gilbert House, Green Street
HP11 2RL
1 Hayden House, Baker Street
HP11 2RW
1 Archdale
HP11 2JP
The neighbourhood at a glance
Crime
228/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Bridge Street — bus stop.
Closest school
0.3 km
High Wycombe Church of England Combined School. 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
53.9dB

Night-time· 23:00 – 07:00
43.4dB







