4 Baileys Court, Castle Street, Aylesbury, HP20 2RB
About 4 Baileys Court
4 Baileys Court is a one-bedroom detached house in Aylesbury (HP20 2RB). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (July 2016) shows an E (score 41), well below the UK norm with real room to improve. When first surveyed in March 2010 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average, window efficiency went from Poor to Average and main heating went from Average to Good; while lighting dropped from Good to Very Poor. The recommended improvements would lift it to B (score 86), a 3-band jump.
4 planning records sit against the property, 0 approved, 1 refused, 1 pending. An active application for tree works is awaiting a decision. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. On the market in November 2016 and unlisted since — roughly 10 years. Across 2014–2016, sale prices on this property compounded at 16.4% per year. Today's modelled estimate of £247,000 is 12.3% above the 2016 sale price.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
- GarageYes
Energy performance
4 Baileys Court sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 08 Jul 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Heating controls upgraded for better temperature management
Roof insulation improved
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
An application for tree works is currently awaiting a decision.
4 applications on record at 4 Baileys Court, Castle Street, Aylesbury, HP20 2RB
1 live now- Nov 2009ExtensionFullOutcome in report
Extension: Two storey · Side and rear of property
Two storey front and side extension
- Documents
- 16 docs on file
- Reference
- 09/01636/APP
- More recent applications — locked
- Tree WorksSept 2025Decision
- Tree WorksAug 2025Decision
+ 1 more application in the report
Unlock 4 Baileys Court, Castle Street, Aylesbury, HP20 2RB'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 4 applications on this property in full, plus 4 notable nearby
- The 30 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
£247,000
Modelled from EPC, postcode comparables and a sale-price growth of 16.4% per year over 2 years.
£220,000
Growth on file: 16.4% per year over 2 years.
Sales timeline
11 November 2016Most recent
£220,000
+35.4%over 1 year12 November 2014
£162,500
Versus other Castle Street homes
On epc rating, 4 Baileys Court runs well behind the street norm.
EPC Rating
41 (E)
Street avg 57 (D)
Floor Area
42 m²
Street avg 41 m²
CO₂ Emissions
4.4 t/year
Street avg 2.8 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
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HP20 2BS
1 Cheney Way
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1 Cleveland Place
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1 Castle Court
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
7/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Friarage Road — bus stop.
Closest school
0.5 km
Buckinghamshire College Group. 26 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
55.2dB

Night-time· 23:00 – 07:00
45.8dB







