40, Cassiobury Drive, Watford occupies a 647 m² plot as recorded by HM Land Registry.

Of the 24 other houses in this postcode, 22 have recorded plot sizes, and this one ranks as the 12th largest.

40, Cassiobury Drive, Watford has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 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).

Land Registry records and our Estate Agent network show 54 sales of comparable properties within 580 metres of 40, Cassiobury Drive, Watford since 2014.

Most recently, 48, Parkside Drive, Watford, WD17 3AX, a freehold house, sold at £1,250,000 on the 4th February 2026.

Read more about house prices in WD17.

• Sold Feb 2026£1,250,000 | 4 Bed House48, Parkside Drive, Watford, WD17 3AX48, Parkside Drive, Watford, WD17 3AX
• Sold Jul 2025£335,000 | 5 Bed House20, Cassiobury Drive, Watford, WD17 3AB20, Cassiobury Drive, Watford, WD17 3AB
• Sold Jun 2025£860,000 | 4 Bed House70, Woodland Drive, Watford, WD17 3BZ70, Woodland Drive, Watford, WD17 3BZ
• Sold Oct 2024£1,250,000 | 5 Bed House94, Cassiobury Drive, Watford, WD17 3AQ94, Cassiobury Drive, Watford, WD17 3AQ
• Sold Feb 2022£1,100,000 | 5 Bed House55, Cassiobury Drive, Watford, WD17 3AD55, Cassiobury Drive, Watford, WD17 3AD
• Sold Feb 2022£1,235,000 | 5 Bed House11, Dellfield Close, Watford, WD17 4LB11, Dellfield Close, Watford, WD17 4LB
• Sold Dec 2021£1,080,000 | 5 Bed House43, The Avenue, Watford, WD17 4NU43, The Avenue, Watford, WD17 4NU
• Sold Sep 2021£1,043,000 | 4 Bed House30, Cassiobury Drive, Watford, WD17 3AB30, Cassiobury Drive, Watford, WD17 3AB
• Sold Aug 2021£1,180,100 | 5 Bed House16, Stratford Way, Watford, WD17 3DH16, Stratford Way, Watford, WD17 3DH
• Sold Apr 2021£1,000,000 | 5 Bed House54, Cassiobury Drive, Watford, WD17 3AE54, Cassiobury Drive, Watford, WD17 3AE
• Sold Jan 2021£835,000 | 5 Bed House39, The Avenue, Watford, WD17 4NU39, The Avenue, Watford, WD17 4NU
• Sold Sep 2019£930,000 | 5 Bed House15, Cassiobury Drive, Watford, WD17 3AA15, Cassiobury Drive, Watford, WD17 3AA
• Sold Dec 2018£1,000,000 | 5 Bed House45, Cassiobury Drive, Watford, WD17 3AA45, Cassiobury Drive, Watford, WD17 3AA
• Sold Nov 2018£1,010,000 | 5 Bed House38, Cassiobury Park Avenue, Watford, WD18 7LB38, Cassiobury Park Avenue, Watford, WD18 7LB
• Sold Apr 2018£810,000 | 5 Bed House60, Woodland Drive, Watford, WD17 3BZ60, Woodland Drive, Watford, WD17 3BZ
• Sold Feb 2018£1,060,000 | 4 Bed House74, Cassiobury Drive, Watford, WD17 3AQ74, Cassiobury Drive, Watford, WD17 3AQ
• Sold Jan 2016£812,000 | 5 Bed House6, Woodland Drive, Watford, WD17 3BX6, Woodland Drive, Watford, WD17 3BX
• Sold Nov 2015£1,015,000 | 5 Bed House37, Cassiobury Drive, Watford, WD17 3AA37, Cassiobury Drive, Watford, WD17 3AA
• Sold Dec 2014£950,000 | 5 Bed House46, Cassiobury Drive, Watford, WD17 3AB46, Cassiobury Drive, Watford, WD17 3AB
• Sold Jul 2014£707,000 | 5 Bed House50, Woodland Drive, Watford, WD17 3BZ50, Woodland Drive, Watford, WD17 3BZ

Our analysis of the public data ranks 40, Cassiobury Drive, Watford as the 64th largest and the 111th most expensive of the 241 addresses on Cassiobury Drive, Watford, WD17.

Against the WD17 postcode district average, it is £531k more expensive than the typical property.

• Lanchester Primary School

  200 m away
• Chater Infant School

  500 m away
• Chater Junior School

  600 m away

• Watford Grammar School for Boys

  700 m away
• Watford Grammar School for Girls

  1.0 km away
• Westfield Academy

  1.5 km away

• Watford

  |

  700 m away
• Watford Junction

  |

  900 m away
• Watford High Street

  |

  1.3 km away

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