11 South Hills, Brill, Aylesbury, HP18 9TQ
About 11 South Hills
11 South Hills is a detached house in Brill, Aylesbury, Aylesbury (HP18 9TQ). It has a recorded floor area of 120 m² (around 1292 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (January 2022) shows an E (score 51), well below the UK norm with real room to improve. When first surveyed in July 2021 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Average and hot-water efficiency went from Poor to Average. The recommended improvements would lift it to B (score 86), a 3-band jump. Main heating runs on electricity.
At 120 m² it's 23.1% smaller than the typical home in the postcode (156 m² median across 11 EPCs).
Energy performance
11 South Hills's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Hot water efficiency improved
Windows upgraded, improving insulation
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,155 · Includes VAT
Planning history
11 South Hills 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 South Hills has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£679,000
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.
Median price across the last 5 sales in HP18 9TQ: £785,000 (2025–2018).
Nearby sales in HP18 9TQ
23 South Hills, Brill, Aylesbury, HP18 9TQ
Sold Aug 2025
£295,10021 South Hills, Brill, Aylesbury, HP18 9TQ
Sold Apr 2024
£1,800,0005 South Hills, Brill, Aylesbury, HP18 9TQ
Sold May 2022
£785,0004 South Hills, Brill, Aylesbury, HP18 9TQ
Sold Aug 2020
£526,5004a, South Hills, Brill, Aylesbury, HP18 9TQ
Sold Aug 2018
£915,000
Versus other South Hills homes
Floor Area for 11 South Hills lags the street by a wide margin.
EPC Rating
51 (E)
Street avg 58 (D)
Floor Area
120 m²
Street avg 157 m²
CO₂ Emissions
9.8 t/year
Street avg 6.8 t/year
Habitable Rooms
4 rooms
Street avg 6 rooms
Similar properties nearby
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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
0.6 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
45.0dB

Night-time· 23:00 – 07:00
36.2dB







