142 Watson Heights, Chelmsford, CM1 1AP
About 142 Watson Heights
142 Watson Heights is a one-bedroom mid-terrace house in Chelmsford (CM1 1AP). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 2012 onwards and council tax band C. At 42 m² this is the smallest unit on EPC record across the building (42–93 m²). The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (July 2026) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (August 2015); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.
At 42 m² it sits well below the postcode median (70 m² across 63 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). Last sold in October 2015, so it's been off the market for around 11 years.
What this property has
Inside
- Bedrooms1
Energy performance
142 Watson Heights's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 9 July 2036
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Planning history
142 Watson Heights 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
£213,000
Modelled from EPC, postcode comparables.
£199,995
Recorded with HM Land Registry.
Sales timeline
4 October 2015Most recent
£199,995
Median price across the last 5 sales in CM1 1AP: £295,000 (2026–2025).
Nearby sales in CM1 1AP
244 Watson Heights, Chelmsford, CM1 1AP
Sold May 2026
£285,000178 Watson Heights, Chelmsford, CM1 1AP
Sold Mar 2026
£295,000144 Watson Heights, Chelmsford, CM1 1AP
Sold Dec 2025
£310,000266 Watson Heights, Chelmsford, CM1 1AP
Sold Oct 2025
£260,000182 Watson Heights, Chelmsford, CM1 1AP
Sold Aug 2025
£300,000
Versus other Watson Heights homes
On floor area, 142 Watson Heights runs well behind the street norm.
Price per m²
£4,762
Street avg £4,196
Floor Area
42 m²
Street avg 66 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
0.7 t/year
Street avg 0.9 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
420/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Coach Stop — bus stop.
Closest school
0.4 km
The Cathedral Church of England Voluntary Aided Primary School, Chelmsford. 33 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
53.8dB

Night-time· 23:00 – 07:00
44.6dB







