12 Hillside Road, Penn, High Wycombe, HP10 8JJ
About 12 Hillside Road
12 Hillside Road is a four-bedroom detached house in Penn, High Wycombe, High Wycombe (HP10 8JJ). It has a recorded floor area of 152 m² (around 1636 sq ft), construction records dating it to 1967-1975 and council tax band G. The latest certificate (March 2012) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 68). The latest certificate is from March 2012, so improvements made since then won't be reflected.
3 planning records sit against the property, 2 approved, 1 refused. Past consents include a loft conversion, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). On the market in May 2013 and unlisted since — roughly 13 years. Across 1997–2013, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £844,000 is 49.4% above the 2013 sale price.
What this property has
Inside
- Bedrooms4
- Dining roomYes
- Utility roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenYes
- GarageDouble
Energy performance
12 Hillside Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Mar 2022
EPC Rating
Certificate validity
Expired on 19 March 2022
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Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
3 applications on record at 12 Hillside Road, Penn, High Wycombe, HP10 8JJ
- Jan 2009ExtensionFullOutcome in report
Extension: Front of property
Construction of extension to existing decked area to front of property
- Documents
- 9 docs on file
- Reference
- 08/07698/FUL
- More recent applications — locked
- AmendmentMay 2023Decision
- Loft ConversionMay 2022Decision
Unlock 12 Hillside Road, Penn, High Wycombe, HP10 8JJ'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- Every decision — granted, refused or withdrawn (3 on record)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 33 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
12 Hillside Road has more than doubled in price since the earliest registered sale in 1997.
£844,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 16 years.
£565,000
Growth on file: 6.4% per year over 16 years.
Sales timeline
2 May 2013Most recent
£565,000
+165.3%over 15 years27 July 1997
£213,000
Median price across the last 5 sales in HP10 8JJ: £782,000 (2024–2018).
Nearby sales in HP10 8JJ
10 Hillside Road, Penn, High Wycombe, HP10 8JJ
Sold Mar 2024
£780,0008 Hillside Road, Penn, High Wycombe, HP10 8JJ
Sold Jan 2022
£782,00022 Hillside Road, Penn, High Wycombe, HP10 8JJ
Sold Jun 2021
£730,00019 Hillside Road, Penn, High Wycombe, HP10 8JJ
Sold Dec 2019
£807,20025 Hillside Road, Penn, High Wycombe, HP10 8JJ
Sold Nov 2018
£796,000
Versus other Hillside Road homes
On epc rating, 12 Hillside Road runs well behind the street norm.
Price per m²
£3,717
Street avg £4,388
Floor Area
152 m²
Street avg 160 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
8.9 t/year
Street avg 6.2 t/year
Similar properties nearby
1 Burrows Close, Penn
HP10 8AR
1 Copse Hill Cottages, Kingswood Road, Penn
HP10 8JL
1 Hillcroft Road, Penn
HP10 8EA
1 Coppice Farm Road, Penn
HP10 8AN
1 Ashwells, Penn
HP10 8DT
1 Greenridge, Penn
HP10 8DX
1 Hawthorn Place, Penn
HP10 8EH
1 Cherry Tree Way, Penn
HP10 8DQ
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
0.5 km
Pine Walk — bus stop.
Closest school
0.5 km
Sir William Ramsay School. 20 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
43.3dB

Night-time· 23:00 – 07:00
36.0dB







