Ashdown House, Hackmans Lane, Cock Clarks, Chelmsford, CM3 6RE
About Ashdown House
Ashdown House is a detached house in Cock Clarks, Chelmsford, Chelmsford (CM3 6RE). It has a recorded floor area of 218 m² (around 2341 sq ft), construction records dating it to 2003-2006 and council tax band G. The latest certificate (April 2010) shows a D (score 56), a step below the typical UK home. Main heating runs on oil. The latest certificate is from April 2010, so improvements made since then won't be reflected.
Untraded for 16 years, with the last transfer in November 2010. 4 planning records sit against the property, 2 approved, 1 refused, 1 pending. Past consents include tree works and an extension, meaningful when judging how the property has evolved. An active application for tree works is awaiting a decision. At 218 m² the property is well over the postcode median (141 m² across 22 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 77% of similar EPCs). Across 2005–2010, sale prices on this property compounded at 2.1% per year. Today's modelled estimate of £898,000 is 26.5% above the 2010 sale price.
Energy performance
Ashdown House'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This certificate is over 10 years old and is no longer valid.Expired 08 Apr 2020
EPC Rating
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 £1,360 · Includes VAT
Planning history
Ashdown House has 2 separate extension applications on the council record.
4 applications on record at Ashdown House, Hackmans Lane, Cock Clarks, Chelmsford, CM3 6RE
- Jan 2016ExtensionOutlineOutcome in report
Extension: Rear of property
Claim for Lawful Development Certificate: Proposed single storey rear extension
- Documents
- 7 docs on file
- Reference
- 15/01274/LDP
- More recent applications — locked
- Tree WorksApr 2024Decision
- Tree WorksJun 2017Decision
+ 1 more application in the report
Unlock Ashdown House, Hackmans Lane, Cock Clarks, Chelmsford, CM3 6RE'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- Every decision — granted, refused or withdrawn (3 on record)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
- The 24 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Ashdown House valuation sits well clear of the typical sold price in this postcode.
£898,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.1% per year over 5 years.
£710,000
Growth on file: 2.1% per year over 5 years.
Sales timeline
26 November 2010Most recent
£710,000
+10.9%over 4 years16 December 2005
£640,000
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, Ashdown House stands well clear of the street.
Price per m²
£3,264
Street avg £4,363
Floor Area
218 m²
Street avg 142 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
8.4 t/year
Street avg 8.9 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







