According to data from HM Land Registry, 16, Blackley Close, Watford sits on a plot of 546 m².

We have plot size data on 14 out of 14 other houses in the postcode and 16, Blackley Close, Watford sits on the 12th largest plot.

16, Blackley Close, Watford has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 05 Dec 2025.

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

According to HM Land Registry, 16, Blackley Close, Watford was last sold on 14th January 2019 for £1,087,500 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since January 2019, the market for similar properties has dropped by 3.4%.

• Sold Jan 2019£1,087,500
• Sold Sep 2007£520,000

According to the Land Registry and our network of Estate Agents, there have been 76 sales of properties similar to 16, Blackley Close, Watford within a radius of 660 metres since 2013.

The most recent example is 85, Ridge Lane, Watford, WD17 4SX, a freehold house which sold for £1,070,000 on the 29th May 2026.

Read more about house prices in WD17.

• Sold May 2026£1,070,000 | 5 Bed House85, Ridge Lane, Watford, WD17 4SX85, Ridge Lane, Watford, WD17 4SX
• Sold Apr 2026£1,280,000 | 5 Bed House2, Wrensfield Close, Watford, WD17 4RL2, Wrensfield Close, Watford, WD17 4RL
• Sold Jan 2026£1,335,000 | 5 Bed House21, Tunnel Wood Road, Watford, WD17 4SN21, Tunnel Wood Road, Watford, WD17 4SN
• Sold Oct 2025£1,400,000 | 5 Bed House58, Devereux Drive, Watford, WD17 3DE58, Devereux Drive, Watford, WD17 3DE
• Sold Sep 2025£1,135,000 | 5 Bed House136, Ridge Lane, Watford, WD17 4SY136, Ridge Lane, Watford, WD17 4SY
• Sold Dec 2024£1,175,000 | 5 Bed House6, Rounton Close, Watford, WD17 4DU6, Rounton Close, Watford, WD17 4DU
• Sold May 2024£1,125,000 | 5 Bed House10, Lingfield Way, Watford, WD17 4UW10, Lingfield Way, Watford, WD17 4UW
• Sold May 2023£1,337,000 | 5 Bed House241, Cassiobury Drive, Watford, WD17 3AN241, Cassiobury Drive, Watford, WD17 3AN
• Sold Nov 2022£1,275,000 | 5 Bed House6, Armand Close, Watford, WD17 4SQ6, Armand Close, Watford, WD17 4SQ
• Sold Sep 2022£1,160,000 | 5 Bed House18, Bay Tree Walk, Watford, WD17 4YX18, Bay Tree Walk, Watford, WD17 4YX
• Sold Oct 2021£862,500 | 4 Bed House19, Lingfield Way, Watford, WD17 4UW19, Lingfield Way, Watford, WD17 4UW
• Sold Nov 2020£907,500 | 5 Bed House3, Mandeville Close, Watford, WD17 4SF3, Mandeville Close, Watford, WD17 4SF
• Sold Jun 2019£607,000 | 5 Bed House69, Ridge Lane, Watford, WD17 4SX69, Ridge Lane, Watford, WD17 4SX
• Sold May 2019£915,000 | 5 Bed House20, Bay Tree Walk, Watford, WD17 4YX20, Bay Tree Walk, Watford, WD17 4YX
• Sold Aug 2018£6,400 | 5 Bed House220, Hempstead Road, Watford, WD17 4LL220, Hempstead Road, Watford, WD17 4LL
• Sold Apr 2018£832,000 | 5 Bed House27, Denewood Close, Watford, WD17 4SZ27, Denewood Close, Watford, WD17 4SZ
• Sold Nov 2016£999,995 | 5 Bed House48A, Nascot Wood Road, Watford, WD17 4SL48A, Nascot Wood Road, Watford, WD17 4SL
• Sold May 2016£1,085,000 | 5 Bed House44, The Ridgeway, Watford, WD17 4TN44, The Ridgeway, Watford, WD17 4TN
• Sold Mar 2015£815,000 | 5 Bed House63, Ridge Lane, Watford, WD17 4SX63, Ridge Lane, Watford, WD17 4SX
• Sold Aug 2013£705,000 | 5 Bed House15, Tunnel Wood Road, Watford, WD17 4SN15, Tunnel Wood Road, Watford, WD17 4SN

Blackley Close, Watford, WD17 has a total of 14 addresses. According to our analysis of all the public data, 16, Blackley Close, Watford is the 2nd largest and the most expensive property on the street.

When compared to the postcode district it is £648k more expensive than the average property in WD17.

• 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

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.