Green Hills - CM20 3SY
Key Postcode Insights
CM20 3SY is a residential postcode situated on Green Hills, Harlow, CM20 with 44 addresses.
It ranks as the 402nd largest and 263rd most expensive of the 473 postcodes in the CM20 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 44 properties: 38 houses and 6 flats.
- Ave. Sale Price
- £299,408
- 10 Year change
- up 16.7%
- Ave. Rental Price
- £1,500pcm
- 10 Year change
- up 48.9%
- Ave. £ per ft²
- £367/ft²
- Ave. Gross Yield
- 6.0%/year/yr
Key Postcode Insights
CM20 3SY is a residential postcode situated on Green Hills, Harlow, CM20 with 44 addresses.
It ranks as the 402nd largest and 263rd most expensive of the 473 postcodes in the CM20 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 44 properties: 38 houses and 6 flats.
- Ave. Sale Price
- £299,408
- 10 Year change
- up 16.7%
- Ave. Rental Price
- £1,500pcm
- 10 Year change
- up 48.9%
- Ave. £ per ft²
- £367/ft²
- Ave. Gross Yield
- 6.0%/year/yr
Explore Propertiesin CM20 3SY
- 39 Green Hills
3 Bed Mid-century House
- 40 Green Hills
Unknown
- 41 Green Hills
3 Bed Mid-century House
- 42 Green Hills
3 Bed Mid-century House
- 43 Green Hills
3 Bed Mid-century House
Sales Market Trends
The last sale in CM20 3SY sold for £250,000 on 14th April 2026. Since then prices are down an average of 3.4%.
The current average value in the postcode is £299,408.
The CM20 3SY Sales Market has increased by 16.7% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1.4% | £299,408 |
| June 2025 | 1.2% | £303,695 |
| June 2024 | -1.8% | £300,087 |
| June 2023 | -0.5% | £305,450 |
| June 2022 | 8.7% | £307,057 |
| June 2021 | 1.6% | £282,516 |
| June 2020 | 0.3% | £278,075 |
| June 2019 | 0.3% | £277,206 |
| June 2018 | 2.2% | £276,515 |
| June 2017 | 5.5% | £270,557 |
| June 2016 | 16% | £256,499 |
| June 2015 | 13% | £221,150 |
| June 2014 | 13% | £195,647 |
| June 2013 | 0.7% | £173,193 |
| June 2012 | 1.9% | £171,937 |
| June 2011 | -0.5% | £168,801 |
| June 2010 | 6.8% | £169,713 |
| June 2009 | -14.2% | £158,888 |
| June 2008 | -1.3% | £185,283 |
| June 2007 | 0% | £187,818 |
Rental Market Trends
The current average rental value in the postcode is £1,500.
The CM20 3SY Rental Market has increased by 48.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.9% | £1,500pcm |
| June 2025 | 4.2% | £1,458pcm |
| June 2024 | 11.2% | £1,399pcm |
| June 2023 | 11.2% | £1,258pcm |
| June 2022 | 5.9% | £1,131pcm |
| June 2021 | 0.7% | £1,068pcm |
| June 2020 | 1.3% | £1,060pcm |
| June 2019 | 3.7% | £1,047pcm |
| June 2018 | 0.3% | £1,010pcm |
| June 2017 | 0% | £1,007pcm |
| June 2016 | 6% | £1,007pcm |
| June 2015 | 10.2% | £950pcm |
| June 2014 | 2.6% | £862pcm |
| June 2013 | 0.3% | £840pcm |
| June 2012 | 3.5% | £838pcm |
| June 2011 | 3.2% | £810pcm |
| June 2010 | 4.5% | £784pcm |
| June 2009 | -3.3% | £751pcm |
| June 2008 | 1.7% | £776pcm |
| June 2007 | 0% | £763pcm |
Sales History
The last sale was on 14th April 2026 for £250,000 and since then the market in the area has decreased by 3.4%. The postcode has had a total of 53 sales since 1995.
CM20 3SY has seen 2 sales in the last three years and 1 sale in the last twelve months.
- Sold Apr 2026£250,000 | 3 Bed House46, Green Hills, Harlow, CM20 3SY46, Green Hills, Harlow, CM20 3SY
- Sold Mar 2024£310,000 | 3 Bed House45, Green Hills, Harlow, CM20 3SY45, Green Hills, Harlow, CM20 3SY
- Sold Oct 2022£320,000 | 3 Bed House43, Green Hills, Harlow, CM20 3SY43, Green Hills, Harlow, CM20 3SY
- Sold Aug 2022£330,000 | 3 Bed House55, Green Hills, Harlow, CM20 3SY55, Green Hills, Harlow, CM20 3SY
- Sold Mar 2022£360,000 | 3 Bed House39, Green Hills, Harlow, CM20 3SY39, Green Hills, Harlow, CM20 3SY
Nearby Postcodes
CM20 3SY is the 402nd largest and the 263rd most expensive postcode out of the 473 postcodes in the CM20 area.
- CM20 3SZ, Green Hills, Harlow, CM20CM20 3SZ34 Addresses|85 m away
- CM20 3SX, Green Hills, Harlow, CM20CM20 3SX38 Addresses|93 m away
- CM20 3RN, Stanfields Court, Harlow, CM20CM20 3RN8 Addresses|145 m away
- CM20 3PY, Broadfield, Harlow, CM20CM20 3PY15 Addresses|170 m away
- CM20 3GQ, Green Park, Harlow, CM20CM20 3GQ7 Addresses|176 m away
Property Types
- 26 mid-century houses built between 1936 and 1979
- 6 mid-century flats built between 1936 and 1979
- 2 houses of an unknown age
- 10 other addresses of unknown type
- mid-century house (26)
- mid-century flat (6)
- house (2)
- Unknown (10)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 32 properties.
- The most common rating is C.
- A (0)
- E (1)
- B (0)
- F (0)
- C (22)
- G (0)
- D (9)
- No EPC (12)
Top 3 Most Expensive Sales
- Sold Mar 2022£360,000 | 3 Bed House39, Green Hills, Harlow, CM20 3SY39, Green Hills, Harlow, CM20 3SY
- Sold Aug 2023£340,000 | 3 Bed House32, Green Hills, Harlow, CM20 3SX32, Green Hills, Harlow, CM20 3SX
- Sold Apr 2026£338,000 | 3 Bed House95, Green Hills, Harlow, CM20 3SZ95, Green Hills, Harlow, CM20 3SZ
Schools Nearby
- The Downs Primary School and Nursery100 m away
- Freshwaters Primary Academy500 m away
- William Martin Church of England Junior School1.0 km away
- Bmat Stem Academy100 m away
- St Mark's West Essex Catholic School500 m away
- Burnt Mill Academy1.0 km away
More reading links
Public Transport Nearby
The closest station to CM20 3SY is Harlow Town station, which is 1.4 kilometres away.
- Harlow Town|1.4 km away
- Harlow Mill|3.2 km away
- Roydon|4.5 km away
- Sawbridgeworth|6.5 km away