4 Spa Close, Brill, Aylesbury, HP18 9RZ
About 4 Spa Close
4 Spa Close is a detached house in Brill, Aylesbury, Aylesbury (HP18 9RZ). It has a recorded floor area of 158 m² (around 1701 sq ft), construction records dating it to 1991-1995 and council tax band G. The latest certificate (May 2021) shows a C (score 72). When first surveyed in August 2020 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Very Good and main heating went from Average to Good; while hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 85). Main heating runs on electricity.
Held since May 2006 — that's 20 years off the open market, well above the local norm. Today's modelled estimate of £887,000 sits 81% above the 2006 sale of £490,000. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a garage conversion and a porch, meaningful when judging how the property has evolved.
Energy performance
EPC Rating
Certificate validity
Valid until 23 May 2031
Property Improvements
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls changed
Hot water efficiency decreased
Loft insulation upgraded to recommended levels
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 £1,360 · Includes VAT
Planning history
4 Spa Close has an approved single-storey side extension on the planning record.
2 applications on record at 4 Spa Close, Brill, Aylesbury, HP18 9RZ
- Apr 2008ExtensionFullOutcome in report
Extension: Single storey · Side of property
Single storey side extension.
- Documents
- 8 docs on file
- Reference
- 08/00414/APP
- More recent applications — locked
- Garage ConversionMar 2021Decision
Unlock 4 Spa Close, Brill, Aylesbury, HP18 9RZ'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- Every decision — granted, refused or withdrawn (2 on record)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 21 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
£887,000
Modelled from EPC, postcode comparables.
£490,000
Recorded with HM Land Registry.
Sales timeline
11 May 2006Most recent
£490,000
Median price across the last 1 sales in HP18 9RZ: £960,000 (2014–2014).
Nearby sales in HP18 9RZ
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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
77/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
42.6dB

Night-time· 23:00 – 07:00
35.7dB







