Cox Leighs, Hackmans Lane, Cock Clarks, Chelmsford, CM3 6RE
About Cox Leighs
Cox Leighs is a detached house in Cock Clarks, Chelmsford, Chelmsford (CM3 6RE). It has a recorded floor area of 203 m² (around 2185 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (July 2013) shows an E (score 46), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since December 2009. Between certificates, window efficiency went from Average to Good; while wall efficiency dropped from Average to Poor and roof efficiency dropped from Good to Poor. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on oil. The latest certificate is from July 2013, so improvements made since then won't be reflected.
At 203 m² the property is well over the postcode median (141 m² across 22 EPCs), placing it in the larger end of the local stock. Last changed hands 15 years ago, in November 2011. Today's modelled estimate of £798,000 is 32.8% above the 2011 sale price.
Energy performance
Cox Leighs's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 18 Jul 2023
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
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 £1,220 · Includes VAT
Planning history
Cox Leighs has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
Cox Leighs valuation sits well clear of the typical sold price in this postcode.
£798,000
Modelled from EPC, postcode comparables.
£601,000
Recorded with HM Land Registry.
Sales timeline
4 November 2011Most recent
£601,000
Median price across the last 5 sales in CM3 6RE: £617,000 (2024–2022).
Nearby sales in CM3 6RE
Cornlands, Hackmans Lane, Cock Clarks, Chelmsford, CM3 6RE
Sold Dec 2024
£1,010,000The Lilacs, Hackmans Lane, Cock Clarks, Chelmsford, CM3 6RE
Sold Dec 2024
£525,0004 Clarks Field Cottages, Hackmans Lane, Cock Clarks, Chelmsford, CM3 6RE
Sold Sept 2024
£550,000Penn Cottage, Hackmans Lane, Cock Clarks, Chelmsford, CM3 6RE
Sold Mar 2023
£640,0007 Clarks Field Cottages, Hackmans Lane, Cock Clarks, Chelmsford, CM3 6RE
Sold Nov 2022
£617,000
Versus other Hackmans Lane homes
On floor area, Cox Leighs stands well clear of the street.
Price per m²
£2,961
Street avg £4,380
Floor Area
203 m²
Street avg 143 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
11.0 t/year
Street avg 8.8 t/year
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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
1/mo
Steady year-on-year across the wider district.
Nearest stop
1.2 km
Goat House Lane — bus stop.
Closest school
2.3 km
Purleigh Community Primary 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
43.4dB

Night-time· 23:00 – 07:00
36.0dB







