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Get started11 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 31.8% above the typical sold price in the postcode. Most recent transfer: July 2019 at £315,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
11 Southfield Road has an approved single-storey rear extension on the planning record.
Householder application for creation of dropped kerb extension and alterations to driveway
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.
Habitable Rooms for 11 Southfield Road lags the street by a wide margin.
Price per m²
£4,091
Street avg £3,771
Floor Area
77 m²
Street avg 92 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Southfield Road — bus stop.

Daytime· 07:00 – 23:00
50.9dB

Extension: Single storey · Rear of property
Householder application for construction of single storey rear extension
1 more application for this property
Join to see all planning history.
19 July 2019Most recent
£315,000
Median price across the last 5 sales in HP13 5JZ: £400,000 (2025–2022).
CO₂ Emissions
3.3 t/year
Street avg 4.4 t/year
HP13 5JY
Closest school
0.3 km
Millbrook Combined School. 16 schools nearby.
Night-time· 23:00 – 07:00
40.8dB
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