What did 40 Dunn Side, CM1 1BY sell for?

40 Dunn Side, CM1 1BY last sold for £285,000 in September 2016, around 10 years ago. Source: HM Land Registry.

How energy efficient is 40 Dunn Side, CM1 1BY?

The current EPC rating for 40 Dunn Side, CM1 1BY is B with a score of 81 out of 100, lodged in February 2026. Source: EPC Register.

How big is 40 Dunn Side, CM1 1BY?

40 Dunn Side, CM1 1BY has a recorded floor area of 71 m² (764 sq ft), around 36 m² per bedroom. Source: EPC Register.

What heating system does 40 Dunn Side, CM1 1BY use?

The latest EPC at 40 Dunn Side, CM1 1BY records mains gas as the main heating fuel. Source: EPC Register.

Which area is 40 Dunn Side, CM1 1BY in?

40 Dunn Side, CM1 1BY sits in Chelmsford. It falls within the CM1 postcode district in Essex.

How safe is the area around 40 Dunn Side, CM1 1BY?

Police records around 40 Dunn Side, CM1 1BY show an average of 8 reported crimes per month over the last 13 months. Violent crime makes up roughly 48% of reports, the most common category. The overall trend is rising (175% versus the prior period). Source: Police UK.

What schools are near 40 Dunn Side, CM1 1BY?

The closest primary school to 40 Dunn Side, CM1 1BY is The Cathedral Church of England Voluntary Aided Primary School, Chelmsford (411m), one of 23 primaries within walking distance. The closest secondary is King Edward VI Grammar School, Chelmsford (494m), with 9 secondaries in the surrounding area.

How well connected is 40 Dunn Side, CM1 1BY?

The closest bus stop to 40 Dunn Side, CM1 1BY is Coach Stop, 200m away. The nearest rail option is Chelmsford Rail Station, 285m away.

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40 Dunn Side, Chelmsford, CM1 1BY

EPC B

Bedrooms

Bathrooms

Floor area

71 m²

764 sq ft

Energy rating

Score 81

Tenure

Owner Occupied

Overview

About 40 Dunn Side

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

40 Dunn Side is a two-bedroom property in Chelmsford (CM1 1BY). It has a recorded floor area of 71 m² (around 764 sq ft) and construction records dating it to 2007-2011. The latest certificate (February 2026) returns a B (score 81), comfortably above the UK average. The rating has held steady at B across 2 certificates since March 2016. 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 71 m² this is the 50th smallest of 63 units on EPC record in the building, where floor areas span 46–157 m². The building's EPC ratings span C to B, with this unit at the top. Other recorded features include a balcony.

10 years since the last transfer (September 2016). Today's modelled estimate of £316,000 is 10.9% above the 2016 sale price.

Specifications

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

Bedrooms2
Bathrooms2
Open-plan layoutYes
EnsuiteYes

Outside

ParkingAllocated
BalconyYes

Building

ConciergeYes
RefurbishedYes

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Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

40 Dunn Side's carbon output is low for the local stock.

Current Certificate(1 of 2)

Feb 2026

EPC Rating

B81

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Average

CO2 Emissions

1.2 t/year

Occupancy

Owner Occupied

Property Improvements

Changes detected from historical EPC data

Feb 2026from Mar 2016

Heating Controls

FullFull Control

Heating controls upgraded for better temperature management

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21st centuryGround Floor FlatEPC B

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Planning

Planning history

Applications and permits filed against 40 Dunn Side, Chelmsford, CM1 1BY, sourced from the PlanIt planning register.

40 Dunn Side 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.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

Current estimate

£316,000

Modelled from EPC, postcode comparables.

See how we calculated this

Last sold (2016)

£285,000

Recorded with HM Land Registry.

Sales timeline

15 September 2016Most recent
£285,000

Median price across the last 5 sales in CM1 1BY: £290,000 (2025–2024).

Nearby sales in CM1 1BY

On the street

Versus other Dunn Side homes

Four headline reads against 58 similar flats on this street, drawn from the latest EPC and Land Registry data.

40 Dunn Side is notably below the street on epc rating.

Price per m²

£4,014

Street avg £4,142

Below

Floor Area

71 m²

Street avg 65 m²

Strongly above

Habitable Rooms

3 rooms

Street avg 3 rooms

Above

CO₂ Emissions

1.2 t/year

Street avg 1.0 t/year

Strongly below

Before you decide

Everything you need to know about 40 Dunn Side

The true value, the hidden risks and the full sale history, in one report.

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The data behind every report

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.

£273k

1 Becketts Court, Glebe Road

CM1 1QQ

2 bed1 bath

£257k

1 Hill Court, Victoria Road

CM1 1SP

2 bed2 bath

£225k

1 Hodge Court, Broomfield Road

CM1 1SD

2 bed1 bath

£258k

1 Henry Road

CM1 1RG

1 bed1 bath

£392k

1 Elms Drive

CM1 1RH

3 bed1 bath

£498k

1 Coval Avenue

CM1 1TF

3 bed2 bath

£177k

1 Cathedral Walk

CM1 1NX

1 bed1 bath

£306k

1 Clachar Court, Burgess Springs

CM1 1PB

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.

Full Chelmsford report

Rail-style transport is unusually close for this postcode.

Crime

8/mo

Rising 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. 32 schools nearby.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around CM1 1BY from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

53.5dB

Low

Night-time road noise heatmap for CM1 1BY

Night-time· 23:00 – 07:00

44.4dB

Low

55 dB

60 dB

65 dB

70 dB

75 dB

80 dB

Defra Road Noise Strategic Mapping, Round 4

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 40 Dunn Side, Chelmsford, CM1 1BY. Each answer is also embedded as structured data for search engines.