Flat, 51 Oxford Street, High Wycombe, HP11 2DJ
About Flat
Flat is a mid-terrace house in High Wycombe (HP11 2DJ). It has a recorded floor area of 28 m² (around 301 sq ft) and construction records dating it to 1930-1949. At 28 m² this is the 7th smallest of 17 units on EPC record in the building, where floor areas span 22–85 m². The building's EPC ratings span D to B, with this unit at the bottom. The latest certificate (April 2018) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79).
At 28 m² it sits well below the postcode median (54 m² across 16 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2015. Past consents include an extension, new windows and change of use to residential, meaningful when judging how the property has evolved.
Energy performance
EPC Rating
Certificate validity
Valid until 30 April 2028
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Planning history
1 application on record at Flat, 51 Oxford Street, High Wycombe, HP11 2DJ
- Jul 2015Change of UseFullOutcome in report
Change of use of first floor from B1 (Office) to C3 (Residential) with creation of new access doorway at ground floor front & construction of new internal access staircase, erection of bin & cycle store to ground floor rear, insertion of 2 x rear dormer windows & alterations to 2nd floor flat. External alterations & replacement of windows
ExtensionNew Windows- Documents
- 6 docs on file
- Reference
- 15/06425/FUL
Unlock Flat, 51 Oxford Street, High Wycombe, HP11 2DJ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 7 notable nearby
- The 6 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Flat has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£145,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 3 sales in HP11 2DJ: £390,000 (2025–2017).
Versus other Oxford Street homes
EPC Rating for Flat lags the street by a wide margin.
EPC Rating
66 (D)
Street avg 70 (C)
Floor Area
28 m²
Street avg 52 m²
CO₂ Emissions
1.7 t/year
Street avg 1.6 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
228/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Oxford Street — bus stop.
Closest school
0.2 km
Hamilton Academy. 22 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
55.1dB

Night-time· 23:00 – 07:00
44.7dB







