18 Stocklake, Aylesbury, HP20 1DN
About 18 Stocklake
18 Stocklake is a semi-detached house in Aylesbury (HP20 1DN). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (March 2026) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in November 2015 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 78). This certificate was lodged in the last six months, so the rating reflects current condition.
Across 1999–2016, sale prices on this property compounded at 6.9% per year. Today's modelled estimate of £336,000 sits 56.3% above the 2016 sale of £215,000. At 104 m² it's 18.2% larger than the typical home in the postcode (88 m² median across 17 EPCs). Last changed hands 10 years ago, in February 2016.
Everything you need to know about 18 Stocklake
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 16 March 2036
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
18 Stocklake has no planning applications on record.
But the area is active
6 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has grown by over 3x since 1999.
£336,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 17 years.
£215,000
Growth on file: 6.9% per year over 17 years.
Sales timeline
26 February 2016Most recent
£215,000
+207.4%over 16 years31 March 1999
£69,950
Median price across the last 5 sales in HP20 1DN: £315,000 (2025–2023).
Versus other Stocklake homes
Price per m² for 18 Stocklake lags the street by a wide margin.
Price per m²
£2,067
Street avg £3,177
Floor Area
104 m²
Street avg 88 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
4.3 t/year
Street avg 5.0 t/year
Everything you need to know about 18 Stocklake
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Crime
164/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Pembroke Road — bus stop.
Closest school
0.6 km
Aylesbury Grammar 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
54.0dB
Night-time· 23:00 – 07:00
45.1dB