91b, London Road, High Wycombe, HP11 1BU
About 91b
91b is a semi-detached house in High Wycombe (HP11 1BU). It has a recorded floor area of 43 m² (around 463 sq ft) and construction records dating it to 2024. The latest certificate (November 2024) shows an E (score 39), well below the UK norm with real room to improve. Main heating runs on electricity: electricity, unspecified tariff.
Today's modelled estimate of £230,000 is 45.6% below the 2021 sale of £422,500, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£913/sq ft) was about 371.6% above the typical sold price in the postcode. At 43 m² it sits well below the postcode median (99 m² across 3 EPCs), making it one of the more compact homes locally. 2 planning records sit against the property, 0 approved, 1 refused. Last sale on file: £422,500 in June 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 91b
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
91b's carbon output is low for the local stock.
EPC Rating
Planning history
A subdivision application was refused at 91b in 2022.
- Aug 2024Change of UseIn report
Prior approval application (Part 3, Class MA) for change of use of the existing office space to a 1 bed flat
- Documents
- 8 docs on file
- Reference
- 24/06406/PNPCR
- Nov 2022SubdivisionFullIn report
Conversion of existing rear buildings and construction of first floor rear extension to create 1 x 1 bed maisonette and 2 x 2- bed flats at ground and first floor level (use class C3). Construction of roof extensions and alterations comprising 1 x dormer window to side and rear elevations (2 in total) to create studio flat in roofspace with associated works
Extension- Documents
- 16 docs on file
- Reference
- 22/06902/FUL
We flagged 3 things worth checking at 91b
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
- A planning decision worth checking
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£230,000
Modelled from EPC, postcode comparables.
£422,500
Recorded with HM Land Registry.
Sales timeline
24 June 2021Most recent
£422,500
Median price across the last 3 sales in HP11 1BU: £200,000 (2022–2004).
Everything we know about 91b, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby
- A planning decision worth checking

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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Cricket Ground — bus stop.
Closest school
0.7 km
Hannah Ball Academy. 22 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
50.0dB

Night-time· 23:00 – 07:00
40.2dB