4a, Chestnut Avenue, High Wycombe, HP11 1DJ
About 4a
4a is a semi-detached house in High Wycombe (HP11 1DJ). It has a recorded floor area of 89 m² (around 958 sq ft) and construction records dating it to 1930-1949. The latest certificate (July 2016) shows an F (score 35), near the bottom of the EPC scale. Earlier certificates rated it E (April 2010); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Average to Very Poor and hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 83), a 4-band jump. Main heating runs on electricity.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Know exactly what you're buying at 4a
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
4a sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
4a has no planning applications on record.
Notable planning nearby
9applications of note in the surrounding area
We flagged 3 things worth checking at 4a
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
- Environmental risk flagged
30-day money-back guarantee
Sales history & valuation
4a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£464,000
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 5 sales in HP11 1DJ: £570,000 (2025–2020).
Nearby sales in HP11 1DJ
1 Chestnut Avenue, High Wycombe, HP11 1DJ
Sold Sept 2025
£570,0005 Chestnut Avenue, High Wycombe, HP11 1DJ
Sold Nov 2024
£487,5007 Chestnut Avenue, High Wycombe, HP11 1DJ
Sold Oct 2024
£600,000Lowlands, Chestnut Avenue, High Wycombe, HP11 1DJ
Sold Oct 2023
£618,0008b, Chestnut Avenue, High Wycombe, HP11 1DJ
Sold Dec 2020
£328,000
Everything we know about 4a, 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
- Environmental risk flagged

Versus other Chestnut Avenue homes
4a is notably below the street on epc rating.
EPC Rating
35 (F)
Street avg 57 (D)
Floor Area
89 m²
Street avg 96 m²
CO₂ Emissions
10.0 t/year
Street avg 5.0 t/year
Habitable Rooms
4 rooms
Street avg 5 rooms
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Chestnut Avenue — bus stop.
Closest school
0.6 km
Beechview Academy. 21 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
48.7dB

Night-time· 23:00 – 07:00
39.7dB