Blackbush Spring - CM20 3DZ
Key Postcode Insights
CM20 3DZ is a residential postcode situated on Blackbush Spring, Harlow, CM20 with 26 addresses.
It ranks as the 265th largest and 181st most expensive of the 473 postcodes in the CM20 area. The most common property type is a mid-century flat built between 1936 and 1979.
The postcode contains a total of 26 properties: 14 houses and 12 flats.
- Ave. Sale Price
- £245,133
- 10 Year change
- up 15.3%
- Ave. Rental Price
- £1,342pcm
- 10 Year change
- up 46.3%
- Ave. £ per ft²
- £362/ft²
- Ave. Gross Yield
- 6.6%/year/yr
Key Postcode Insights
CM20 3DZ is a residential postcode situated on Blackbush Spring, Harlow, CM20 with 26 addresses.
It ranks as the 265th largest and 181st most expensive of the 473 postcodes in the CM20 area. The most common property type is a mid-century flat built between 1936 and 1979.
The postcode contains a total of 26 properties: 14 houses and 12 flats.
- Ave. Sale Price
- £245,133
- 10 Year change
- up 15.3%
- Ave. Rental Price
- £1,342pcm
- 10 Year change
- up 46.3%
- Ave. £ per ft²
- £362/ft²
- Ave. Gross Yield
- 6.6%/year/yr
Explore Propertiesin CM20 3DZ
- 55 Blackbush Spring
House
- 56 Blackbush Spring
3 Bed Mid-century House
- 57 Blackbush Spring
House
- 58 Blackbush Spring
3 Bed Mid-century House
- 59 Blackbush Spring
3 Bed Mid-century House
Sales Market Trends
The last sale in CM20 3DZ sold for £110,000 on 20th August 2025. Since then prices are down an average of 1.4%.
The current average value in the postcode is £245,133.
The CM20 3DZ Sales Market has increased by 15.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1.6% | £245,133 |
| June 2025 | 0.9% | £249,195 |
| June 2024 | -1% | £247,030 |
| June 2023 | -0.6% | £249,487 |
| June 2022 | 8.2% | £250,922 |
| June 2021 | 2.2% | £231,905 |
| June 2020 | 0.1% | £226,922 |
| June 2019 | 0% | £226,756 |
| June 2018 | 1.2% | £226,727 |
| June 2017 | 5.4% | £223,967 |
| June 2016 | 15.3% | £212,529 |
| June 2015 | 12.6% | £184,261 |
| June 2014 | 11.8% | £163,700 |
| June 2013 | 1% | £146,435 |
| June 2012 | 1.5% | £145,011 |
| June 2011 | -0.2% | £142,850 |
| June 2010 | 6.8% | £143,084 |
| June 2009 | -13.6% | £133,996 |
| June 2008 | -1.4% | £155,082 |
| June 2007 | 0% | £157,258 |
Rental Market Trends
The current average rental value in the postcode is £1,342.
The CM20 3DZ Rental Market has increased by 46.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.8% | £1,342pcm |
| June 2025 | 4% | £1,305pcm |
| June 2024 | 11% | £1,255pcm |
| June 2023 | 11.1% | £1,131pcm |
| June 2022 | 5.6% | £1,017pcm |
| June 2021 | 0.5% | £964pcm |
| June 2020 | 1.2% | £959pcm |
| June 2019 | 3.2% | £948pcm |
| June 2018 | 0.2% | £918pcm |
| June 2017 | -0.1% | £916pcm |
| June 2016 | 6.1% | £917pcm |
| June 2015 | 10% | £864pcm |
| June 2014 | 2.6% | £786pcm |
| June 2013 | 0.5% | £765pcm |
| June 2012 | 3.4% | £762pcm |
| June 2011 | 3% | £737pcm |
| June 2010 | 4.3% | £715pcm |
| June 2009 | -3.5% | £686pcm |
| June 2008 | 1.7% | £711pcm |
| June 2007 | 0% | £699pcm |
Sales History
The last sale was on 20th August 2025 for £110,000 and since then the market in the area has decreased by 1.4%. The postcode has had a total of 25 sales since 1995.
CM20 3DZ has seen 4 sales in the last three years and 1 sale in the last twelve months.
- Sold Aug 2025£110,000 | 1 Bed Flat73, Blackbush Spring, Harlow, CM20 3DZ73, Blackbush Spring, Harlow, CM20 3DZ
- Sold Jan 2025£170,000 | 2 Bed Flat74, Blackbush Spring, Harlow, CM20 3DZ74, Blackbush Spring, Harlow, CM20 3DZ
- Sold Dec 2023£245,000 | 3 Bed Flat66, Blackbush Spring, Harlow, CM20 3DZ66, Blackbush Spring, Harlow, CM20 3DZ
- Sold Jul 2023£285,000 | 3 Bed Flat63, Blackbush Spring, Harlow, CM20 3DZ63, Blackbush Spring, Harlow, CM20 3DZ
- Sold Aug 2022£174,000 | 1 Bed Flat70, Blackbush Spring, Harlow, CM20 3DZ70, Blackbush Spring, Harlow, CM20 3DZ
Nearby Postcodes
CM20 3DZ is the 265th largest and the 181st most expensive postcode out of the 473 postcodes in the CM20 area.
- CM20 3HH, Vicarage Wood, Harlow, CM20CM20 3HH20 Addresses|67 m away
- CM20 3ED, Blackbush Spring, Harlow, CM20CM20 3ED6 Addresses|74 m away
- CM20 3EA, Blackbush Spring, Harlow, CM20CM20 3EA52 Addresses|89 m away
- CM20 3HQ, Vicarage Wood, Harlow, CM20CM20 3HQ26 Addresses|95 m away
- CM20 3DY, Blackbush Spring, Harlow, CM20CM20 3DY54 Addresses|98 m away
Property Types
- 9 mid-century houses built between 1936 and 1979
- 11 mid-century flats built between 1936 and 1979
- 6 other addresses of unknown type
- mid-century house (9)
- mid-century flat (11)
- Unknown (6)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 20 properties.
- The most common rating is D.
- A (0)
- E (1)
- B (1)
- F (0)
- C (5)
- G (0)
- D (13)
- No EPC (6)
Top 3 Most Expensive Sales
- Sold Mar 2024£365,000 | 3 Bed House147, Blackbush Spring, Harlow, CM20 3EB147, Blackbush Spring, Harlow, CM20 3EB
- Sold Jun 2025£351,000 | 3 Bed House144, Blackbush Spring, Harlow, CM20 3EB144, Blackbush Spring, Harlow, CM20 3EB
- Sold Jul 2022£346,000 | 3 Bed House46, Blackbush Spring, Harlow, CM20 3DY46, Blackbush Spring, Harlow, CM20 3DY
Schools Nearby
- Cooks Spinney Primary Academy and Nursery200 m away
- St Alban's Catholic Academy700 m away
- Freshwaters Primary Academy800 m away
- Burnt Mill Academy800 m away
- Bmat Stem Academy1.2 km away
- Mark Hall Academy1.2 km away
More reading links
Public Transport Nearby
The closest station to CM20 3DZ is Harlow Town station, which is 1.8 kilometres away.
- Harlow Town|1.8 km away
- Harlow Mill|2.3 km away
- Roydon|5.5 km away
- Sawbridgeworth|5.6 km away
