25a, Flat, Bell Street, Henley On Thames, RG9 2BA
About 25a
25a is a mid-terrace house in Henley On Thames (RG9 2BA). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (July 2019) shows an E (score 49), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since April 2009. Between certificates, hot-water efficiency went from Average to Good and main heating went from Average to Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to D (score 56).
At 88 m² it's 23.1% larger than the typical home in the postcode (72 m² median across 10 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2019–2022, sale prices on this property compounded at -15.3% per year. Sold January 2022 for £455,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2008.
Know exactly what you're buying at 25a
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
25a sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Windows upgraded, improving insulation
Planning history
- May 2008OutbuildingIn report
Erection of timber storage shed.
- Documents
- 12 docs on file
- Reference
- P08/E0360
We flagged 2 things worth checking at 25a
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
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£441,000
Modelled from EPC, postcode comparables and a sale-price growth of -15.3% per year over 3 years.
£455,000
Growth on file: -15.3% per year over 3 years.
Sales timeline
18 January 2022Most recent
£455,000
-39.7%over 3 years4 January 2019
£755,000
Median price across the last 5 sales in RG9 2BA: £466,500 (2024–2021).
Nearby sales in RG9 2BA
43a, Bell Street, Henley On Thames, RG9 2BA
Sold May 2024
£510,00021a, Bell Street, Henley On Thames, RG9 2BA
Sold May 2023
£5,000,000Flat 3, 17 Bell Street, Henley On Thames, RG9 2BA
Sold Mar 2023
£466,50030b, Bell Street, Henley On Thames, RG9 2BA
Sold Dec 2021
£327,50030a 30b, Bell Street, Henley On Thames, RG9 2BA
Sold Apr 2021
£320,000
Everything we know about 25a, 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 Bell Street homes
25a is notably below the street on price per m².
Price per m²
£5,170
Street avg £5,800
Floor Area
88 m²
Street avg 82 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
6.1 t/year
Street avg 3.4 t/year
Similar properties nearby
Belmont House, Flat 5, 23 New Street
RG9 2BP
42a, Flat 2, Bell Street
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Blandy House, Flat 3, 29 Hart Street
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40a, Flat, Bell Street
RG9 2BG
Belmont House, Flat 4, 23 New Street
RG9 2BP
19a, Flat, Hart Street
RG9 2AR
Flat 1, 48 Market Place
RG9 2AG
Flat 1, 95 Kings Road
RG9 2DN
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Bell Street — bus stop.
Closest school
0.4 km
The Henley College. 6 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
50.9dB

Night-time· 23:00 – 07:00
41.7dB