1 Ariel Close, Colchester, CO4 3SJ
About 1 Ariel Close
1 Ariel Close is a four-bedroom semi-detached house in Colchester (CO4 3SJ). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (January 2021) shows a C (score 72). The rating has held steady at C across 2 certificates since January 2011. Between certificates, wall efficiency dropped from Good to Average. The recommended improvements would push it to B (score 85). Our model identifies extension potential, subject to local planning policy.
Across 2011–2021, sale prices on this property compounded at 3.9% per year. Today's modelled estimate of £248,000 is 24% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£206/sq ft) was about 86.3% above the typical sold price in the postcode. Last sale on file: £199,995 in August 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
Building
- Extension potentialPossible
Energy performance
EPC Rating
Certificate validity
Valid until 28 January 2031
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
1 Ariel Close has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£248,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.9% per year over 10 years.
£199,995
Growth on file: 3.9% per year over 10 years.
Sales timeline
1 August 2021Most recent
£199,995
+47.1%over 10 years28 July 2011
£136,000
Median price across the last 5 sales in CO4 3SJ: £230,000 (2022–2015).
Nearby sales in CO4 3SJ
Versus other Ariel Close homes
Price per m²
£2,222
Street avg £1,968
Floor Area
90 m²
Street avg 92 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.9 t/year
Street avg 3.0 t/year
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
430/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Magnolia Drive — bus stop.
Closest school
0.5 km
Unity Primary Academy. 18 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
49.7dB

Night-time· 23:00 – 07:00
40.5dB







