Our Data Sources
121, Dunn Side, Chelmsford has 2 entries in the Land Registry, most recently in February 2026 and a single entry in the EPC database dated August 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 121, Dunn Side, Chelmsford would be worth £346,929, with a potential rental value of £1,542 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £307,280, with a rental value of £1,366 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
121, Dunn Side, Chelmsford has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 26 Aug 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
121, Dunn Side, Chelmsford last changed hands on 13th February 2026, selling for £312,000. The transaction was logged as a leasehold flat by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has dropped by 11.3% since February 2026.
- Sold Feb 2026£312,000
- Sold Aug 2015£250,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 157 sales of comparable properties within 400 metres of 121, Dunn Side, Chelmsford since 2015.
Most recently, 36 Hill Court, Victoria Road, Chelmsford, CM1 1SP, a leasehold flat, sold at £340,000 on the 5th June 2026.
Read more about house prices in CM1.
- Sold Jun 2026£340,000 | 3 Bed Flat36 Hill Court, Victoria Road, Chelmsford, CM1 1SP36 Hill Court, Victoria Road, Chelmsford, CM1 1SP
- Sold May 2026£285,000 | 3 Bed Flat244, Watson Heights, Chelmsford, CM1 1AP244, Watson Heights, Chelmsford, CM1 1AP
- Sold Apr 2026£325,000 | 2 Bed FlatFlat 51, 3, Cunard Square, Chelmsford, CM1 1AUFlat 51, 3, Cunard Square, Chelmsford, CM1 1AU
- Sold Sep 2025£320,000 | 3 Bed Flat18 Hill Court, Victoria Road, Chelmsford, CM1 1SP18 Hill Court, Victoria Road, Chelmsford, CM1 1SP
- Sold Jul 2025£87,500 | 3 Bed Flat6 Hill Court, Victoria Road, Chelmsford, CM1 1SP6 Hill Court, Victoria Road, Chelmsford, CM1 1SP
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £275,447, ranging from £210,821 to £303,024.
- 71 Dunn Side
2 Bed Flat | 0 m | Est. Value: £298,236
- 101 Dunn Side
2 Bed Flat | 0 m | Est. Value: £295,821
- 103 Dunn Side
2 Bed Flat | 0 m | Est. Value: £293,391
- 55 Dunn Side
2 Bed Flat | 0 m | Est. Value: £293,391
- 109 Dunn Side
2 Bed Flat | 0 m | Est. Value: £240,896
Location Comparison
Our analysis of the public data ranks 121, Dunn Side, Chelmsford as the 17th largest and the 17th most expensive of the 126 addresses on Dunn Side, Chelmsford, CM1.
Against the CM1 postcode district average, it is £83k less expensive than the typical property.
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Schools Nearby
- The Cathedral Church of England Voluntary Aided Primary School, Chelmsford400 m away
- Maltese Road Primary School700 m away
- Trinity Road Primary School1.0 km away
- King Edward VI Grammar School, Chelmsford600 m away
- Chelmsford County High School for Girls600 m away
- St John Payne Catholic School, Chelmsford1.6 km away
More reading links
Public Transport Nearby
- Chelmsford|400 m away
- Beaulieu Park|3.9 km away
- Hatfield Peverel|9.4 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
