Flat 9, 123 London Road, High Wycombe, HP11 1BT
About Flat 9
Flat 9 is a one-bedroom end-of-terrace house in High Wycombe (HP11 1BT). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 2003-2006 and council tax band B. At 48 m² this is the 9th smallest of 11 units on EPC record in the building, where floor areas span 36–55 m². The building's EPC ratings span E to C, with this unit at the top. Period features are noted in the property record. The latest certificate (August 2021) shows a C (score 71). When first surveyed in August 2010 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 81). Main heating runs on electricity.
Its energy rating outperforms most of the postcode (better than 81% of similar EPCs). Across 2006–2021, sale prices on this property compounded at 2.6% per year. On a £-per-square-foot basis, the last sale (£435/sq ft) was about 60.3% above the typical sold price in the postcode. Last sale on file: £225,000 in November 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 Flat 9
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
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Open-plan layoutYes
Outside
- Private gardenRear
- ParkingAllocated
Building
- Period featuresYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Planning history
Flat 9 has no planning applications on record.
Notable planning nearby
9applications of note in the surrounding area
We flagged 2 things worth checking at Flat 9
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
30-day money-back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£234,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.6% per year over 16 years.
£225,000
Growth on file: 2.6% per year over 16 years.
Sales timeline
15 November 2021Most recent
£225,000
+45.2%over 10 years25 May 2011
£154,950
+3.3%over 5 years29 March 2006
£150,000
Median price across the last 5 sales in HP11 1BT: £375,000 (2025–2021).
Nearby sales in HP11 1BT
195 London Road, High Wycombe, HP11 1BT
Sold Nov 2025
£525,000Flat 6, 123 London Road, High Wycombe, HP11 1BT
Sold Aug 2023
£205,000Flat 2, 129 London Road, High Wycombe, HP11 1BT
Sold Apr 2022
£286,500147 London Road, High Wycombe, HP11 1BT
Sold Apr 2022
£560,000171 London Road, High Wycombe, HP11 1BT
Sold Sept 2021
£375,000
Everything we know about Flat 9, 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

Versus other London Road homes
On epc rating, Flat 9 stands well clear of the street.
Price per m²
£4,688
Street avg £4,099
Floor Area
48 m²
Street avg 46 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
2.2 t/year
Street avg 3.1 t/year
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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
0.2 km
Chestnut Avenue — bus stop.
Closest school
0.6 km
Beechview Academy. 25 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
49.7dB

Night-time· 23:00 – 07:00
40.0dB