9a, New Road, Penn, High Wycombe, HP10 8DJ
About 9a
9a is a semi-detached house in Penn, High Wycombe, High Wycombe (HP10 8DJ). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (February 2024) shows a D (score 58), a step below the typical UK home. The rating has held steady at D across 2 certificates since June 2009. Between certificates, roof efficiency went from Average to Good, window efficiency went from Poor to Good and lighting went from Average to Very Good. The recommended improvements would push it to C (score 69).
Across 2000–2024, sale prices on this property compounded at 4.7% per year. Today's modelled estimate of £568,000 is 15.9% below the 2024 sale of £675,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£609/sq ft) was about 98.6% above the typical sold price in the postcode. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. At 103 m² it's 19.5% smaller than the typical home in the postcode (128 m² median across 17 EPCs). Sold July 2024 for £675,000.
Energy performance
EPC Rating
Certificate validity
Valid until 25 February 2034
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Roof insulation 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 £1,085 · Includes VAT
Planning history
3 applications on record at 9a, New Road, Penn, High Wycombe, HP10 8DJ
- Mar 2016ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Householder application for construction of single storey rear extension with roof lantern
- Documents
- 15 docs on file
- Reference
- 16/05418/FUL
- More recent applications — locked
- PorchMar 2019Decision
- ExtensionJul 2018Decision
Unlock 9a, New Road, Penn, High Wycombe, HP10 8DJ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full
- The 48 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Sale price has grown by over 3x since 2000.
£568,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 24 years.
£675,000
Growth on file: 4.7% per year over 24 years.
Sales timeline
18 July 2024Most recent
£675,000
+110.9%over 14 years4 October 2009
£320,000
+44.1%over 9 years22 June 2000
£222,000
Median price across the last 5 sales in HP10 8DJ: £880,000 (2025–2021).
Nearby sales in HP10 8DJ
6 New Road, Penn, High Wycombe, HP10 8DJ
Sold Dec 2025
£1,025,00014 New Road, Penn, High Wycombe, HP10 8DJ
Sold Jul 2024
£880,00013 New Road, Penn, High Wycombe, HP10 8DJ
Sold Dec 2021
£805,0005 New Road, Penn, High Wycombe, HP10 8DJ
Sold Nov 2021
£526,00010 New Road, Penn, High Wycombe, HP10 8DJ
Sold Mar 2021
£940,000
Versus other New Road homes
On price per m², 9a stands well clear of the street.
Price per m²
£6,553
Street avg £4,504
Floor Area
103 m²
Street avg 147 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.8 t/year
Street avg 4.9 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
0.1 km
Potters Cross — bus stop.
Closest school
0.5 km
Tylers Green First School. 14 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
47.9dB

Night-time· 23:00 – 07:00
39.1dB







