HM Land Registry records the plot of land for 9, Blackley Close, Watford as measuring 629 m².

That makes it the 7th largest plot in the postcode, where all 14 other houses have recorded plot data.

9, Blackley Close, Watford has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 02 Mar 2015.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of 9, Blackley Close, Watford completed on 7th December 2018 at £995,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have dropped by 8.8% over the period since December 2018.

• Sold Dec 2018£995,000
• Sold Jun 2015£750,000

Since 2012 91 properties similar to 9, Blackley Close, Watford have sold within a radius of 660 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 12th May 2026, was 25, Ridgefield, Watford, WD17 4TZ, a freehold house which sold for £900,000.

Read more about house prices in WD17.

• Sold May 2026£900,000 | 4 Bed House25, Ridgefield, Watford, WD17 4TZ25, Ridgefield, Watford, WD17 4TZ
• Sold Dec 2025£1,050,000 | 4 Bed House11, Roughwood Close, Watford, WD17 3HN11, Roughwood Close, Watford, WD17 3HN
• Sold Sep 2025£875,000 | 4 Bed House22, The Ridgeway, Watford, WD17 4TN22, The Ridgeway, Watford, WD17 4TN
• Sold May 2025£890,000 | 4 Bed House10, Birch Tree Walk, Watford, WD17 4SH10, Birch Tree Walk, Watford, WD17 4SH
• Sold Jan 2025£932,500 | 4 Bed House14, Mandeville Close, Watford, WD17 4SF14, Mandeville Close, Watford, WD17 4SF
• Sold Dec 2024£755,000 | 4 Bed House41, Beechpark Way, Watford, WD17 3TY41, Beechpark Way, Watford, WD17 3TY
• Sold Nov 2024£870,000 | 4 Bed House4, Denewood Close, Watford, WD17 4SZ4, Denewood Close, Watford, WD17 4SZ
• Sold Oct 2024£895,000 | 4 Bed House20, Tunnel Wood Road, Watford, WD17 4WN20, Tunnel Wood Road, Watford, WD17 4WN
• Sold Feb 2024£1,000,000 | 4 Bed House25, Tunnel Wood Close, Watford, WD17 4SW25, Tunnel Wood Close, Watford, WD17 4SW
• Sold Jan 2024£850,000 | 4 Bed House100, Ridge Lane, Watford, WD17 4SY100, Ridge Lane, Watford, WD17 4SY
• Sold Jul 2023£1,038,000 | 4 Bed House10, Denewood Close, Watford, WD17 4SZ10, Denewood Close, Watford, WD17 4SZ
• Sold Jan 2023£950,000 | 4 Bed House62, Tunnel Wood Road, Watford, WD17 4GE62, Tunnel Wood Road, Watford, WD17 4GE
• Sold Mar 2022£980,000 | 4 Bed House5, Mandeville Close, Watford, WD17 4SF5, Mandeville Close, Watford, WD17 4SF
• Sold Mar 2022£1,150,000 | 4 Bed House23, Tunnel Wood Close, Watford, WD17 4SW23, Tunnel Wood Close, Watford, WD17 4SW
• Sold Jan 2022£893,000 | 4 Bed House6, Mandeville Close, Watford, WD17 4SF6, Mandeville Close, Watford, WD17 4SF
• Sold Jun 2021£835,000 | 4 Bed House11, Blackley Close, Watford, WD17 4TE11, Blackley Close, Watford, WD17 4TE
• Sold Mar 2020£660,000 | 4 Bed House65, Ridge Lane, Watford, WD17 4SX65, Ridge Lane, Watford, WD17 4SX
• Sold Oct 2019£875,000 | 4 Bed House15, Roughwood Close, Watford, WD17 3HN15, Roughwood Close, Watford, WD17 3HN
• Sold Jan 2018£710,000 | 4 Bed House96, Ridge Lane, Watford, WD17 4SY96, Ridge Lane, Watford, WD17 4SY
• Sold Nov 2012£649,950 | 4 Bed House17, Tunnel Wood Road, Watford, WD17 4SN17, Tunnel Wood Road, Watford, WD17 4SN

Of the 14 addresses on Blackley Close, Watford, WD17, 9, Blackley Close, Watford comes out as the 7th largest and the 4th most expensive in our analysis of the public data.

It is also £400k more expensive than the average property across the WD17 district.

• The Orchard Primary School

  500 m away
• Beechfield School

  600 m away
• Nascot Wood Junior School

  800 m away

• Watford Grammar School for Boys

  2.4 km away
• Croxley Danes School

  2.9 km away
• Future Academies Watford

  2.9 km away

• Watford North

  |

  1.8 km away
• Watford Junction

  |

  1.9 km away
• Watford

  |

  2.1 km away

The flood risk here is rated Very Low, based on Environment Agency data.