11 Colley Close, Brill, Aylesbury, HP18 9GE
About 11 Colley Close
11 Colley Close is a four-bedroom mid-terrace house in Brill, Aylesbury, Aylesbury (HP18 9GE). It has a recorded floor area of 169 m² (around 1819 sq ft), construction records dating it to 2012 onwards and council tax band G. Tenure is freehold. The latest certificate (June 2023) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since August 2012. Between certificates, main heating went from Average to Good; while window efficiency dropped from Very Good to Good and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to B (score 86). Main heating runs on electricity.
At 169 m² the property is well over the postcode median (92 m² across 12 EPCs), placing it in the larger end of the local stock. It changed hands recently, sold October 2025 for £610,000. Across 2014–2025, sale prices on this property compounded at 2.9% per year.
What this property has
Inside
- Bedrooms4
- Bathrooms4
- Dining roomYes
Outside
- ParkingOff road
Building
- TenureFreehold
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,155 · Includes VAT
Planning history
11 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
11 Colley Close valuation sits well clear of the typical sold price in this postcode.
£602,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.9% per year over 12 years.
£610,000
Growth on file: 2.9% per year over 12 years.
Sales timeline
1 October 2025Most recent
£610,000
+39.0%over 11 years21 March 2014
£439,000
Median price across the last 5 sales in HP18 9GE: £490,000 (2025–2020).
Nearby sales in HP18 9GE
8 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
£530,0009 Colley Close, Brill, Aylesbury, HP18 9GE
Sold Dec 2020
£307,500
Versus other Colley Close homes
On years held, 11 Colley Close runs well behind the street norm.
Price per m²
£3,609
Street avg £3,766
Floor Area
169 m²
Street avg 110 m²
Habitable Rooms
9 rooms
Street avg 5 rooms
CO₂ Emissions
3.1 t/year
Street avg 2.3 t/year
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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







