12 Temple Street, Brill, Aylesbury, HP18 9SX
About 12 Temple Street
12 Temple Street is a three-bedroom end-of-terrace house in Brill, Aylesbury, Aylesbury (HP18 9SX). It has a recorded floor area of 160 m² (around 1722 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (March 2017) shows an F (score 37), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since August 2014. Between certificates, roof efficiency went from Very Poor to Average, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Average to Poor. The recommended improvements would lift it to C (score 76), a 3-band jump. Main heating runs on oil.
At 160 m² the property is well over the postcode median (116 m² across 26 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs). Last sale on file: £692,000 in June 2020. Across the public record there are 4 sales, relatively high churn for a single property. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and new windows, meaningful when judging how the property has evolved. Across 1996–2020, sale prices on this property compounded at 6.2% per year. On a £-per-square-foot basis, the last sale (£402/sq ft) was about 23.8% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms3
- Dining roomYes
- Utility roomYes
- EnsuiteYes
Outside
- Private gardenYes
Energy performance
12 Temple Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Single glazing replaced with double or better glazing
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 £1,220 · Includes VAT
Planning history
12 Temple Street has 2 separate extension applications on the council record.
3 applications on record at 12 Temple Street, Brill, Aylesbury, HP18 9SX
- Apr 2016ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension with lantern rooflight, replacement windows to front extension and alterations.
New Windows- Documents
- 9 docs on file
- Reference
- 16/00732/APP
- More recent applications — locked
- ExtensionJun 2022Decision
- ExtensionOct 2020Decision
Unlock 12 Temple Street, Brill, Aylesbury, HP18 9SX's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 2 notable nearby
- The 35 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
Price for 12 Temple Street has grown more than fourfold since the 1996 starting point.
£706,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 24 years.
£692,000
Growth on file: 6.2% per year over 24 years.
Sales timeline
29 June 2020Most recent
£692,000
+31.8%over 4 years22 October 2015
£525,000
+59.1%over 15 years1 October 2000
£330,000
+102.5%over 4 years15 May 1996
£163,000
Median price across the last 5 sales in HP18 9SX: £600,000 (2025–2022).
Nearby sales in HP18 9SX
3 Temple Farm, Temple Street, Brill, Aylesbury, HP18 9SX
Sold Feb 2025
£890,00028 Temple Street, Brill, Aylesbury, HP18 9SX
Sold Jul 2024
£600,0002 Temple Street, Brill, Aylesbury, HP18 9SX
Sold Oct 2023
£1,310,00048 Temple Street, Brill, Aylesbury, HP18 9SX
Sold Nov 2022
£600,00058 Temple Street, Brill, Aylesbury, HP18 9SX
Sold Apr 2022
£500,000
Versus other Temple Street homes
CO₂ Emissions for 12 Temple Street lags the street by a wide margin.
Price per m²
£4,325
Street avg £4,501
Floor Area
160 m²
Street avg 128 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
12.0 t/year
Street avg 7.5 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
Church Street — bus stop.
Closest school
0.2 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
43.9dB

Night-time· 23:00 – 07:00
35.9dB







