13 Blackwater Close, Chelmsford, CM1 7QJ
About 13 Blackwater Close
13 Blackwater Close is a five-bedroom semi-detached house in Chelmsford (CM1 7QJ). It has a recorded floor area of 127 m² (around 1367 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (September 2025) shows a C (score 75), near the top of the C band. Other recorded features include a self-contained annexe.
It hasn't traded since May 2010, a hold of 16 years that's notably long for the area. At 127 m² the property is well over the postcode median (87 m² across 20 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). Across 2000–2010, sale prices on this property compounded at 7.4% per year. Today's modelled estimate of £517,000 sits 115.4% above the 2010 sale of £239,995. On a £-per-square-foot basis, the last sale (£176/sq ft) was about 26.4% below the postcode norm. One historical planning record sits against the property in 2018.
What this property has
Inside
- Bedrooms5
- Bathrooms2
- Dining roomYes
- Utility roomYes
Outside
- Private gardenRear
Energy performance
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
1 application on record at 13 Blackwater Close, Chelmsford, CM1 7QJ
- Oct 2018ExtensionFullOutcome in report
Extension: Single storey · Side of property
Proposed single storey side extension.
- Documents
- 6 docs on file
- Reference
- 18/01410/FUL
Unlock 13 Blackwater Close, Chelmsford, CM1 7QJ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn
- All 1 application on this property in full, plus 4 notable nearby
- The 6 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
Sale price has at least doubled since 2000.
£517,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 10 years.
£239,995
Growth on file: 7.4% per year over 10 years.
Sales timeline
26 May 2010Most recent
£239,995
+100.0%over 9 years6 September 2000
£119,995
Median price across the last 5 sales in CM1 7QJ: £300,000 (2024–2022).
Nearby sales in CM1 7QJ
4 Blackwater Close, Chelmsford, CM1 7QJ
Sold Aug 2024
£280,00024 Blackwater Close, Chelmsford, CM1 7QJ
Sold Feb 2024
£300,0005 Blackwater Close, Chelmsford, CM1 7QJ
Sold Apr 2022
£225,00018 Blackwater Close, Chelmsford, CM1 7QJ
Sold Mar 2022
£385,0002 Blackwater Close, Chelmsford, CM1 7QJ
Sold Jan 2022
£352,000
Versus other Blackwater Close homes
EPC Rating for 13 Blackwater Close runs comfortably ahead of the street norm.
Price per m²
£1,890
Street avg £3,208
Floor Area
127 m²
Street avg 97 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
3.2 t/year
Street avg 4.2 t/year
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Blackwater Close — bus stop.
Closest school
0.5 km
Perryfields Infant School. 26 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
54.5dB

Night-time· 23:00 – 07:00
45.1dB







