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 85% 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 £741,000 is 31.2% above the 2013 sale price.
Know exactly what you're buying at 12 Hillside Road
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
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This certificate is over 10 years old and is no longer valid.Expired 19 Mar 2022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
Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
- May 2023AmendmentIn report
Proposed non-material amendment to permission Householder application for roof alterations in connection with loft conversion granted under planning ref: 22/05590/FUL
- Documents
- 5 docs on file
- Reference
- 23/06158/MINAMD
- May 2022Loft ConversionFullIn report
Householder application for roof alterations in connection with loft conversion
- Documents
- 19 docs on file
- Reference
- 22/05590/FUL
What's in 12 Hillside Road, Penn, High Wycombe, HP10 8JJ's planning history?
1 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
12 Hillside Road has more than doubled in price since the earliest registered sale in 1997.
£741,000
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
Everything we know about 12 Hillside Road, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

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 8 rooms
CO₂ Emissions
8.9 t/year
Street avg 6.2 t/year
Similar properties nearby
1 Burrows Close, Penn
HP10 8AR
1 Coppice Farm Road, Penn
HP10 8AN
1 Hillcroft Road, Penn
HP10 8EA
1 Copse Hill Cottages, Kingswood Road, Penn
HP10 8JL
1 Greenridge, Penn
HP10 8DX
1 Ashwells, Penn
HP10 8DT
1 Cherry Tree Way, Penn
HP10 8DQ
1 Hawthorn Place, Penn
HP10 8EH
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising 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
The full 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