11 Southfield Road, Downley, High Wycombe, HP13 5JZ
About 11 Southfield Road
11 Southfield Road is a three-bedroom semi-detached house in Downley, High Wycombe, High Wycombe (HP13 5JZ). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (March 2019) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £402,000 is 27.6% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£380/sq ft) was about 34.2% above the typical sold price in the postcode. Most recent transfer: July 2019 at £315,000.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- Private gardenRear
- GarageYes
Building
- Heating systemGas
- Extension potentialPossible
Everything you need to know about 11 Southfield Road
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
11 Southfield Road has an approved single-storey rear extension on the planning record.
3 applications on record at 11 Southfield Road, Downley, High Wycombe, HP13 5JZ
- May 2021OutbuildingOutlineOutcome in report
Certificate of lawfulness for proposed single storey detached outbuilding to rear
- Documents
- 10 docs on file
- Reference
- 21/05818/CLP
- More recent applications — locked
- ExtensionAug 2021Decision
- ExtensionJul 2021Decision
Unlock 11 Southfield Road, Downley, High Wycombe, HP13 5JZ'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- Every decision — granted, refused or withdrawn (3 on record)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, plus 11 notable nearby
- The 43 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
11 Southfield Road valuation sits well clear of the typical sold price in this postcode.
£402,000
Modelled from EPC, postcode comparables.
£315,000
Recorded with HM Land Registry.
Sales timeline
18 July 2019Most recent
£315,000
Median price across the last 5 sales in HP13 5JZ: £400,000 (2025–2022).
Nearby sales in HP13 5JZ
31 Southfield Road, Downley, High Wycombe, HP13 5JZ
Sold Oct 2025
£398,0003 Southfield Road, Downley, High Wycombe, HP13 5JZ
Sold Oct 2024
£425,00015 Southfield Road, Downley, High Wycombe, HP13 5JZ
Sold May 2023
£340,00027 Southfield Road, Downley, High Wycombe, HP13 5JZ
Sold Feb 2023
£400,00035 Southfield Road, Downley, High Wycombe, HP13 5JZ
Sold May 2022
£450,000
Versus other Southfield Road homes
Habitable Rooms for 11 Southfield Road lags the street by a wide margin.
Price per m²
£4,091
Street avg £3,575
Floor Area
77 m²
Street avg 96 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.3 t/year
Street avg 4.6 t/year
Everything you need to know about 11 Southfield Road
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Southfield Road — bus stop.
Closest school
0.3 km
Millbrook Combined 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
50.9dB

Night-time· 23:00 – 07:00
40.8dB






