20 Dorset Avenue, Chelmsford, CM2 9TZ
About 20 Dorset Avenue
20 Dorset Avenue is a five-bedroom semi-detached house in Chelmsford (CM2 9TZ). It has a recorded floor area of 153 m² (around 1647 sq ft), construction records dating it to 1930-1949 and council tax band D. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility. The latest certificate (October 2024) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77).
At 153 m² the property is well over the postcode median (105 m² across 23 EPCs), placing it in the larger end of the local stock. It changed hands recently, sold April 2025 for £525,000. Across 2003–2025, sale prices on this property compounded at 2.5% per year. Today's modelled estimate of £608,000 is 15.8% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£319/sq ft) was about 34.6% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms5
- Bathrooms1
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenSouth-facing
Building
- Previously extendedYes
- Extension potentialPossible
Energy performance
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,155 · Includes VAT
Planning history
20 Dorset Avenue has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20 Dorset Avenue valuation sits well clear of the typical sold price in this postcode.
£608,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.5% per year over 21 years.
£525,000
Growth on file: 2.5% per year over 21 years.
Sales timeline
30 April 2025Most recent
£525,000
+69.4%over 21 years19 November 2003
£310,000
Median price across the last 5 sales in CM2 9TZ: £565,000 (2025–2021).
Nearby sales in CM2 9TZ
Versus other Dorset Avenue homes
Floor Area for 20 Dorset Avenue runs comfortably ahead of the street norm.
Price per m²
£3,431
Street avg £3,968
Floor Area
153 m²
Street avg 106 m²
Habitable Rooms
8 rooms
Street avg 5 rooms
CO₂ Emissions
5.0 t/year
Street avg 4.3 t/year
Similar properties nearby
1 Bawden Way
CM2 9GY
1 Dorset Avenue
CM2 9TZ
1 Chislett Row
CM2 9QS
1 Campbell Close
CM2 9BE
1 Douglas Walk
CM2 9XQ
1 Apple Way
CM2 9HX
1 Ashmeads
CM2 9FJ
1 Clarence Mews, Redmayne Drive
CM2 9AF
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
12/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
The Ridings — bus stop.
Closest school
0.4 km
Larkrise Primary School. 21 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
49.3dB

Night-time· 23:00 – 07:00
39.5dB







