4 Conway Close, Aylesbury, HP21 7PY
About 4 Conway Close
4 Conway Close is a semi-detached house in Aylesbury (HP21 7PY). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (April 2026) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (June 2014); the latest reading is one band lower. Between certificates, roof efficiency went from Good to Very Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 75). This certificate was lodged in the last six months, so the rating reflects current condition.
It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs).
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 27 April 2036
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
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Planning history
4 Conway Close has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
4 Conway Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£226,000
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.
Versus other Conway Close homes
EPC Rating for 4 Conway Close lags the street by a wide margin.
EPC Rating
66 (D)
Street avg 69 (D)
Floor Area
39 m²
Street avg 38 m²
CO₂ Emissions
1.6 t/year
Street avg 1.7 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
175/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Schools Coach Park — bus stop.
Closest school
0.2 km
Aylesbury High School. 29 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
51.9dB

Night-time· 23:00 – 07:00
42.8dB







