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Get started20 Dorset Avenue, Chelmsford, CM2 9TZ
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About 20 Dorset Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
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).
Sale prices here have outpaced Chelmsford HPI: 2.5% per year against 0% for the wider region. 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 28.8% above the typical sold price in the postcode. At 153 m² the property is well over the postcode median (104 m² across 21 EPCs), placing it in the larger end of the local stock. It changed hands recently, sold May 2025 for £525,000.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms5
- Bathrooms1
- Dining roomYes
- CloakroomYes
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
EPC Rating
A
B
C
D
D63
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
5.0 t/year
Occupancy
Owner Occupied
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
20 Dorset Avenue valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£608,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.5% per year over 21 years.
Last sold (2025)
£525,000
Growth on file: 2.5% per year over 21 years.
Sales timeline
Versus other Dorset Avenue homes
Four headline reads against 21 similar houses on this street, drawn from the latest EPC and Land Registry data.
Floor Area for 20 Dorset Avenue runs comfortably ahead of the street norm.
Price per m²
£3,431
Street avg £4,143
Floor Area
153 m²
Street avg 105 m²
Habitable Rooms
8 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Chelmsford district page.
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
Road noise across the postcode
Modelled day and night-time noise levels around CM2 9TZ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
49.3dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 51 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 20 Dorset Avenue, Chelmsford, CM2 9TZ. Each answer is also embedded as structured data for search engines.