20 Coval Avenue, Chelmsford, CM1 1TF
About 20 Coval Avenue
20 Coval Avenue is a semi-detached house in Chelmsford (CM1 1TF). It has a recorded floor area of 127 m² (around 1367 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (May 2021) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2010. Between certificates, lighting went from Average to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 77).
It hasn't traded since December 2010, a hold of 15 years that's notably long for the area. At 127 m² the property is well over the postcode median (95 m² across 18 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £519,000 sits 118.5% above the 2010 sale of £237,500. On a £-per-square-foot basis, the last sale (£174/sq ft) was about 21.1% below the postcode norm.
Everything you need to know about 20 Coval Avenue
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
20 Coval Avenue has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20 Coval Avenue valuation sits well clear of the typical sold price in this postcode.
£519,000
Modelled from EPC, postcode comparables.
£237,500
Recorded with HM Land Registry.
Sales timeline
15 December 2010Most recent
£237,500
Median price across the last 5 sales in CM1 1TF: £470,000 (2025–2020).
Nearby sales in CM1 1TF
Versus other Coval Avenue homes
Price per m² for 20 Coval Avenue lags the street by a wide margin.
Price per m²
£1,870
Street avg £3,159
Floor Area
127 m²
Street avg 110 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
5.8 t/year
Street avg 5.0 t/year
Everything you need to know about 20 Coval Avenue
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Fire Station — bus stop.
Closest school
0.5 km
King Edward VI Grammar School, Chelmsford. 30 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
54.8dB
Night-time· 23:00 – 07:00
46.1dB