12 Colley Close, Brill, Aylesbury, HP18 9GE
About 12 Colley Close
12 Colley Close is a semi-detached house in Brill, Aylesbury, Aylesbury (HP18 9GE). It has a recorded floor area of 146 m² (around 1572 sq ft) and council tax band F. The latest certificate (November 2012) shows a C (score 78), near the top of the C band. Main heating runs on electricity: electricity, unspecified tariff. The latest certificate is from November 2012, so improvements made since then won't be reflected.
At 146 m² the property is well over the postcode median (92 m² across 12 EPCs), placing it in the larger end of the local stock. On the market in July 2013 and unlisted since — roughly 13 years. Today's modelled estimate of £538,000 is 18.2% above the 2013 sale price.
Energy performance
12 Colley Close's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 Nov 2022
EPC Rating
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Planning history
12 Colley Close has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12 Colley Close valuation sits well clear of the typical sold price in this postcode.
£538,000
Modelled from EPC, postcode comparables.
£455,000
Recorded with HM Land Registry.
Sales timeline
30 July 2013Most recent
£455,000
Median price across the last 5 sales in HP18 9GE: £530,000 (2025–2021).
Nearby sales in HP18 9GE
11 Colley Close, Brill, Aylesbury, HP18 9GE
Sold Oct 2025
£610,0008 Colley Close, Brill, Aylesbury, HP18 9GE
Sold Aug 2025
£349,5004 Colley Close, Brill, Aylesbury, HP18 9GE
Sold Mar 2023
£490,00010 Colley Close, Brill, Aylesbury, HP18 9GE
Sold Nov 2021
£617,5006 Colley Close, Brill, Aylesbury, HP18 9GE
Sold Jan 2021
£530,000
Versus other Colley Close homes
12 Colley Close outperforms the street on years held by a wide margin.
Price per m²
£3,116
Street avg £3,811
Floor Area
146 m²
Street avg 112 m²
CO₂ Emissions
2.9 t/year
Street avg 2.3 t/year
Years Held
13 years
Street avg 7 years
Similar properties nearby
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1 Bridge Road, Ickford
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1 Blanes Close, Long Crendon
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1 Bishops Way, Worminghall
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1 Brae Hill Close, Brill
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
The Square — bus stop.
Closest school
0.5 km
Brill Church of England School. 2 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
44.9dB

Night-time· 23:00 – 07:00
36.2dB







