Dunn Side - CM1 1BY
Key Postcode Insights
CM1 1BY is a residential postcode situated on Dunn Side, Chelmsford, CM1 with 63 addresses.
It ranks as the 1328th largest and 302nd most expensive of the 1,379 postcodes in the CM1 area. The most common property type is a modern flat built after 1980.
The postcode contains a total of 63 properties: 4 houses and 59 flats.
- Ave. Sale Price
- £296,086
- 10 Year change
- up 11.0%
- Ave. Rental Price
- £1,283pcm
- 10 Year change
- up 42.2%
- Ave. £ per ft²
- £387/ft²
- Ave. Gross Yield
- 5.2%/year/yr
Key Postcode Insights
CM1 1BY is a residential postcode situated on Dunn Side, Chelmsford, CM1 with 63 addresses.
It ranks as the 1328th largest and 302nd most expensive of the 1,379 postcodes in the CM1 area. The most common property type is a modern flat built after 1980.
The postcode contains a total of 63 properties: 4 houses and 59 flats.
- Ave. Sale Price
- £296,086
- 10 Year change
- up 11.0%
- Ave. Rental Price
- £1,283pcm
- 10 Year change
- up 42.2%
- Ave. £ per ft²
- £387/ft²
- Ave. Gross Yield
- 5.2%/year/yr
Explore Propertiesin CM1 1BY
- 2 Dunn Side
2 Bed Modern Flat
- 4 Dunn Side
2 Bed Modern Flat
- 6 Dunn Side
2 Bed Modern Flat
- 8 Dunn Side
2 Bed Modern Flat
- 10 Dunn Side
2 Bed Modern Flat
Sales Market Trends
The last sale in CM1 1BY sold for £265,000 on 20th March 2026. Since then prices have on average remained the same.
The current average value in the postcode is £296,086.
The CM1 1BY Sales Market has increased by 11.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -2.6% | £296,086 |
| June 2025 | 0.9% | £303,853 |
| June 2024 | -2.4% | £301,047 |
| June 2023 | -0.2% | £308,346 |
| June 2022 | 5.9% | £308,848 |
| June 2021 | 3.5% | £291,537 |
| June 2020 | 1.1% | £281,787 |
| June 2019 | -0.4% | £278,752 |
| June 2018 | 0% | £279,811 |
| June 2017 | 4.9% | £279,921 |
| June 2016 | 11% | £266,853 |
| June 2015 | 9.8% | £240,434 |
| June 2014 | 9.5% | £219,054 |
| June 2013 | 0.7% | £200,055 |
| June 2012 | 2.2% | £198,605 |
| June 2011 | 1.5% | £194,409 |
| June 2010 | 8.2% | £191,569 |
| June 2009 | -11.6% | £176,995 |
| June 2008 | -3.5% | £200,317 |
| June 2007 | 0% | £207,547 |
Rental Market Trends
The current average rental value in the postcode is £1,283.
The CM1 1BY Rental Market has increased by 42.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.4% | £1,283pcm |
| June 2025 | 3.4% | £1,254pcm |
| June 2024 | 7.9% | £1,212pcm |
| June 2023 | 10.2% | £1,123pcm |
| June 2022 | 5% | £1,019pcm |
| June 2021 | 3.5% | £970pcm |
| June 2020 | 1.4% | £938pcm |
| June 2019 | 1.7% | £925pcm |
| June 2018 | -0.1% | £909pcm |
| June 2017 | 0.8% | £910pcm |
| June 2016 | 3.2% | £903pcm |
| June 2015 | 4.1% | £875pcm |
| June 2014 | 4.1% | £840pcm |
| June 2013 | 2% | £807pcm |
| June 2012 | 2.2% | £791pcm |
| June 2011 | 3.3% | £774pcm |
| June 2010 | 5.8% | £749pcm |
| June 2009 | -7.7% | £708pcm |
| June 2008 | 4.2% | £768pcm |
| June 2007 | 0% | £737pcm |
Sales History
The last sale was on 20th March 2026 for £265,000 and since then the market in the area has remained stable. The postcode has had a total of 72 sales since 1995.
CM1 1BY has seen 14 sales in the last three years and 2 sales in the last twelve months.
- Sold Mar 2026£265,000 | 2 Bed Flat14, Dunn Side, Chelmsford, CM1 1BY14, Dunn Side, Chelmsford, CM1 1BY
- Sold Mar 2026£285,000 | 2 Bed Flat50, Dunn Side, Chelmsford, CM1 1BY50, Dunn Side, Chelmsford, CM1 1BY
- Sold Jun 2025£316,000 | 2 Bed Flat58, Dunn Side, Chelmsford, CM1 1BY58, Dunn Side, Chelmsford, CM1 1BY
- Sold May 2025£232,000 | 2 Bed Flat106, Dunn Side, Chelmsford, CM1 1BY106, Dunn Side, Chelmsford, CM1 1BY
- Sold Feb 2025£325,000 | 2 Bed Flat108, Dunn Side, Chelmsford, CM1 1BY108, Dunn Side, Chelmsford, CM1 1BY
Nearby Postcodes
CM1 1BY is the 1328th largest and the 302nd most expensive postcode out of the 1,379 postcodes in the CM1 area.
- CM1 1AP, Watson Heights, Chelmsford, CM1CM1 1AP64 Addresses|41 m away
- CM1 1DL, Dunn Side, Chelmsford, CM1CM1 1DL63 Addresses|60 m away
- CM1 1AG, Watson Heights, Chelmsford, CM1CM1 1AG59 Addresses|75 m away
- CM1 1QD, Marconi Road, Chelmsford, CM1CM1 1QD24 Addresses|89 m away
- CM1 1AQ, Cunard Square, Chelmsford, CM1CM1 1AQ73 Addresses|101 m away
Property Types
- 4 modern houses built after 1980
- 59 modern flats built after 1980
- modern house (4)
- modern flat (59)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 63 properties.
- The most common rating is B.
- A (0)
- E (0)
- B (55)
- F (0)
- C (8)
- G (0)
- D (0)
- No EPC (0)
Top 3 Most Expensive Sales
- Sold Nov 2023£529,700 | 4 Bed House26, Dunn Side, Chelmsford, CM1 1BY26, Dunn Side, Chelmsford, CM1 1BY
- Sold Aug 2017£488,000 | 4 Bed House27, Dunn Side, Chelmsford, CM1 1DL27, Dunn Side, Chelmsford, CM1 1DL
- Sold Jul 2019£486,500 | 4 Bed House27, Dunn Side, Chelmsford, CM1 1DL27, Dunn Side, Chelmsford, CM1 1DL
Schools Nearby
- The Cathedral Church of England Voluntary Aided Primary School, Chelmsford400 m away
- Maltese Road Primary School600 m away
- Kings Road Primary School1.0 km away
- King Edward VI Grammar School, Chelmsford500 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
The closest station to CM1 1BY is Chelmsford station, which is 300 metres away.
- Chelmsford|300 m away
- Beaulieu Park|3.9 km away
- Hatfield Peverel|9.5 km away
- Ingatestone|10.0 km away