121, Blackbush Spring, Harlow occupies a 131 m² plot as recorded by HM Land Registry.

Of the 52 other houses in this postcode, 25 have recorded plot sizes, and this one ranks as the 18th largest.

121, Blackbush Spring, Harlow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Mar 2013.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

121, Blackbush Spring, Harlow last changed hands on 23rd February 2022, selling for £328,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has risen by 9.1% since February 2022.

• Sold Feb 2022£328,000
• Sold Jul 2013£181,500
• Sold Jun 1998£68,000

Land Registry records and our Estate Agent network show 321 sales of comparable properties within 520 metres of 121, Blackbush Spring, Harlow since 2018.

Most recently, 105, Blackbush Spring, Harlow, CM20 3EA, a freehold house, sold at £345,000 on the 27th October 2025.

Read more about house prices in CM20.

• Sold Oct 2025£345,000 | 3 Bed House105, Blackbush Spring, Harlow, CM20 3EA105, Blackbush Spring, Harlow, CM20 3EA
• Sold Sep 2025£315,000 | 3 Bed House126, Blackbush Spring, Harlow, CM20 3EA126, Blackbush Spring, Harlow, CM20 3EA
• Sold Jun 2025£351,000 | 3 Bed House144, Blackbush Spring, Harlow, CM20 3EB144, Blackbush Spring, Harlow, CM20 3EB
• Sold Aug 2024£306,000 | 3 Bed House21, Ladyshot, Harlow, CM20 3EL21, Ladyshot, Harlow, CM20 3EL
• Sold Jul 2024£290,000 | 3 Bed House26, Blackbush Spring, Harlow, CM20 3DY26, Blackbush Spring, Harlow, CM20 3DY
• Sold Jun 2024£330,000 | 3 Bed House37, Pennymead, Harlow, CM20 3HX37, Pennymead, Harlow, CM20 3HX
• Sold Apr 2024£293,000 | 3 Bed House40, Tunnmeade, Harlow, CM20 3HL40, Tunnmeade, Harlow, CM20 3HL
• Sold Mar 2024£365,000 | 3 Bed House147, Blackbush Spring, Harlow, CM20 3EB147, Blackbush Spring, Harlow, CM20 3EB
• 
  Sold Feb 2024£323,000 | 3 Bed House43, Blackbush Spring, Harlow, CM20 3DY43, Blackbush Spring, Harlow, CM20 3DY
• Sold Feb 2024£338,000 | 3 Bed House133, Blackbush Spring, Harlow, CM20 3EB133, Blackbush Spring, Harlow, CM20 3EB
• Sold Jan 2024£355,000 | 3 Bed House14, Tunnmeade, Harlow, CM20 3HJ14, Tunnmeade, Harlow, CM20 3HJ
• Sold Dec 2023£285,000 | 3 Bed House82, Vicarage Wood, Harlow, CM20 3HQ82, Vicarage Wood, Harlow, CM20 3HQ
• Sold Jul 2023£300,000 | 3 Bed House66, Vicarage Wood, Harlow, CM20 3HF66, Vicarage Wood, Harlow, CM20 3HF
• Sold Jun 2023£330,000 | 3 Bed House8, Quarry Spring, Harlow, CM20 3HP8, Quarry Spring, Harlow, CM20 3HP
• Sold Jul 2022£346,000 | 3 Bed House46, Blackbush Spring, Harlow, CM20 3DY46, Blackbush Spring, Harlow, CM20 3DY
• Sold Dec 2021£300,000 | 3 Bed House87, Vicarage Wood, Harlow, CM20 3HQ87, Vicarage Wood, Harlow, CM20 3HQ
• Sold Dec 2021£319,000 | 3 Bed House20, Blackbush Spring, Harlow, CM20 3DY20, Blackbush Spring, Harlow, CM20 3DY
• Sold Jun 2020£250,000 | 3 Bed House90, Blackbush Spring, Harlow, CM20 3EA90, Blackbush Spring, Harlow, CM20 3EA
• Sold Mar 2020£312,000 | 3 Bed House110, Blackbush Spring, Harlow, CM20 3EA110, Blackbush Spring, Harlow, CM20 3EA
• Sold Sep 2018£305,000 | 3 Bed House138, Blackbush Spring, Harlow, CM20 3EB138, Blackbush Spring, Harlow, CM20 3EB

Our analysis of the public data ranks 121, Blackbush Spring, Harlow as the 48th largest and the 55th most expensive of the 157 addresses on Blackbush Spring, Harlow, CM20.

Against the CM20 postcode district average, it is £10k more expensive than the typical property.

• Cooks Spinney Primary Academy and Nursery

  200 m away
• St Alban's Catholic Academy

  800 m away
• Freshwaters Primary Academy

  800 m away

• Burnt Mill Academy

  800 m away
• Mark Hall Academy

  1.2 km away
• St Mark's West Essex Catholic School

  1.3 km away

• Harlow Town

  |

  1.8 km away
• Harlow Mill

  |

  2.3 km away
• Sawbridgeworth

  |

  5.5 km away

Environment Agency data suggests this area has a Very Low risk of flooding.