11a, Brae Hill Close, Brill, Aylesbury, HP18 9TE
About 11a
11a is a detached house in Brill, Aylesbury, Aylesbury (HP18 9TE). It has a recorded floor area of 125 m² (around 1345 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (December 2013) shows an E (score 43), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on oil. The latest certificate is from December 2013, so improvements made since then won't be reflected.
At 125 m² the property is well over the postcode median (87 m² across 17 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs). 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £533,000 is 42.1% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£279/sq ft) was about 23% above the typical sold price in the postcode. 12 years since the last transfer (February 2014).
Energy performance
11a's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 18 Dec 2023
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
2 applications on record at 11a, Brae Hill Close, Brill, Aylesbury, HP18 9TE
- Aug 2014RenovationFullOutcome in report
Change from existing flat roof to pitched roof with brick gable; installation of new steel balcony and rendering of existing brickwork.
- Documents
- 15 docs on file
- Reference
- 14/01350/APP
- More recent applications — locked
- ExtensionMay 2024Decision
Unlock 11a, Brae Hill Close, Brill, Aylesbury, HP18 9TE's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 2 notable nearby
- The 31 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
11a valuation sits well clear of the typical sold price in this postcode.
£533,000
Modelled from EPC, postcode comparables.
£375,000
Recorded with HM Land Registry.
Sales timeline
21 February 2014Most recent
£375,000
Median price across the last 5 sales in HP18 9TE: £360,000 (2025–2018).
Nearby sales in HP18 9TE
7 Brae Hill Close, Brill, Aylesbury, HP18 9TE
Sold Jul 2025
£675,00021 Brae Hill Close, Brill, Aylesbury, HP18 9TE
Sold Nov 2022
£185,0009 Brae Hill Close, Brill, Aylesbury, HP18 9TE
Sold Dec 2021
£325,5002 Brae Hill Close, Brill, Aylesbury, HP18 9TE
Sold Jun 2021
£365,00015 Brae Hill Close, Brill, Aylesbury, HP18 9TE
Sold May 2018
£360,000
Versus other Brae Hill Close homes
EPC Rating for 11a lags the street by a wide margin.
Price per m²
£3,000
Street avg £3,064
Floor Area
125 m²
Street avg 123 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
9.1 t/year
Street avg 5.1 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
0.2 km
The Square — bus stop.
Closest school
0.6 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
44.5dB

Night-time· 23:00 – 07:00
36.1dB







