30a, Whinneys Road, Loudwater, High Wycombe, HP10 9RJ
About 30a
30a is a five-bedroom detached house in Loudwater, High Wycombe, High Wycombe (HP10 9RJ). It has a recorded floor area of 135 m² (around 1453 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (June 2022) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2011. Between certificates, roof efficiency went from Good to Very Good, hot-water efficiency went from Average to Good and lighting went from Poor to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to C (score 80). The home occupies a cul-de-sac position.
One planning record on file: a loft conversion approved in 2021. Past consents include a loft conversion, meaningful when judging how the property has evolved. At 135 m² it's 21.6% larger than the typical home in the postcode (111 m² median across 16 EPCs). Across 1998–2023, sale prices on this property compounded at 5.6% per year. On a £-per-square-foot basis, the last sale (£446/sq ft) was about 64.9% above the typical sold price in the postcode. Most recent transfer: June 2023 at £647,500.
Know exactly what you're buying at 30a
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
- Bedrooms5
- Bathrooms2
- Dining roomYes
- Utility roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenSouth-facing
- GarageYes
- Cul-de-sacYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Planning history
- Feb 2021Loft ConversionOutlineIn report
Certificate of lawfulness for proposed rear flat roof dormer with juliet balcony and insertion of 1 x roof light in connection with loft conversion
- Documents
- 7 docs on file
- Reference
- 20/08110/CLP
What's in 30a, Whinneys Road, Loudwater, High Wycombe, HP10 9RJ's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Latest sale on 30a was the highest on Land Registry record across the postcode.
£701,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 25 years.
£647,500
Growth on file: 5.6% per year over 25 years.
Sales timeline
29 June 2023Most recent
£647,500
+54.2%over 8 years28 August 2014
£420,000
+149.3%over 15 years13 November 1998
£168,500
Median price across the last 5 sales in HP10 9RJ: £578,000 (2025–2022).
Nearby sales in HP10 9RJ
19 Whinneys Road, Loudwater, High Wycombe, HP10 9RJ
Sold Jul 2025
£578,00013 Whinneys Road, Loudwater, High Wycombe, HP10 9RJ
Sold Oct 2024
£475,0001 Whinneys Road, Loudwater, High Wycombe, HP10 9RJ
Sold Aug 2023
£602,00030 Whinneys Road, Loudwater, High Wycombe, HP10 9RJ
Sold May 2022
£635,0004 Whinneys Road, Loudwater, High Wycombe, HP10 9RJ
Sold Feb 2022
£445,000
Everything we know about 30a, 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 Whinneys Road homes
30a outperforms the street on epc rating by a wide margin.
Price per m²
£4,796
Street avg £3,959
Floor Area
135 m²
Street avg 118 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
4.8 t/year
Street avg 5.3 t/year
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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
0.1 km
Loudwater Turn — bus stop.
Closest school
0.5 km
Loudwater Combined School. 12 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
54.4dB

Night-time· 23:00 – 07:00
47.5dB