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Get started21 Chelsea Road is a five-bedroom detached house in Aylesbury (HP19 7BG). It has a recorded floor area of 135 m² (around 1453 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (April 2010) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 69). The latest certificate is from April 2010, so improvements made since then won't be reflected.
It hasn't traded since December 2005, a hold of 20 years that's notably long for the area. At 135 m² the property is well over the postcode median (76 m² across 40 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. Today's modelled estimate of £536,000 sits 80.5% above the 2005 sale of £296,950. On a £-per-square-foot basis, the last sale (£204/sq ft) was about 29.1% below the postcode norm. One planning record on file: a loft conversion refused in 2007.
21 Chelsea Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
This certificate is over 10 years old and is no longer valid.Expired 16 Apr 2020
Insertion of 2 dormer windows to form living accommodation in roofspace.
21 Chelsea Road valuation sits well clear of the typical sold price in this postcode.
£536,000
Modelled from EPC, postcode comparables.
£296,950
Recorded with HM Land Registry.
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21 Chelsea Road is notably below the street on price per m².
Price per m²
£2,200
Street avg £3,877
Floor Area
135 m²
Street avg 77 m²
Habitable Rooms
7 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
46.6dB

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9 December 2005Most recent
£296,950
Median price across the last 5 sales in HP19 7BG: £372,000 (2025–2022).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Plus much more
Comparable sales, transport, crime, schools and more

Street avg 5 rooms
CO₂ Emissions
6.0 t/year
Street avg 2.1 t/year
HP19 7HB
Spruce Road — bus stop.
Closest school
0.8 km
St Mary's Church of England School. 15 schools nearby.
Flood risk
Low
From the Environment Agency.
Night-time· 23:00 – 07:00
36.9dB