5 Katherine Close, Penn, High Wycombe, HP10 8ET
About 5 Katherine Close
5 Katherine Close is a four-bedroom detached house in Penn, High Wycombe, High Wycombe (HP10 8ET). It has a recorded floor area of 159 m² (around 1711 sq ft), construction records dating it to 1976-1982 and council tax band G. The latest certificate (January 2025) shows a C (score 70). When first surveyed in March 2011 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.
Most recent transfer was February 2026 at £890,000 — fresh data. 4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension, a garage conversion and a conservatory, meaningful when judging how the property has evolved. Across 2000–2026, sale prices on this property compounded at 3.3% per year. On a £-per-square-foot basis, the last sale (£520/sq ft) was about 20.1% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms4
- Bathrooms2
Energy performance
EPC Rating
Certificate validity
Valid until 9 January 2035
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Window efficiency improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,495 · Includes VAT
Planning history
Multiple extension applications run across more than a decade of planning history at 5 Katherine Close.
4 applications on record at 5 Katherine Close, Penn, High Wycombe, HP10 8ET
- Nov 2003ExtensionFullOutcome in report
Extension: Single storey · Side and rear of property
Construction of single storey side/ rear extension
- Documents
- 5 docs on file
- Reference
- 03/07690/FUL
- More recent applications — locked
- ExtensionJun 2024Decision
- Garage ConversionSept 2022Decision
+ 1 more application in the report
Unlock 5 Katherine Close, Penn, High Wycombe, HP10 8ET's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (4 on record)
- All 4 applications on this property in full
- The 24 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
5 Katherine Close has more than doubled in price since the earliest registered sale in 2000.
£943,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.3% per year over 26 years.
£890,000
Growth on file: 3.3% per year over 26 years.
Sales timeline
12 February 2026Most recent
£890,000
+131.2%over 25 years25 April 2000
£385,000
Median price across the last 5 sales in HP10 8ET: £845,000 (2026–2003).
Versus other Katherine Close homes
5 Katherine Close outperforms the street on price per m² by a wide margin.
Price per m²
£5,597
Street avg £5,187
Floor Area
159 m²
Street avg 161 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
5.1 t/year
Street avg 5.4 t/year
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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
Church Road — bus stop.
Closest school
0.2 km
Tylers Green Middle School. 16 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
46.3dB

Night-time· 23:00 – 07:00
37.3dB







