According to data from HM Land Registry, 20, Cassiobury Drive, Watford sits on a plot of 678 m².

We have plot size data on 22 out of 24 other houses in the postcode and 20, Cassiobury Drive, Watford sits on the 9th largest plot.

20, Cassiobury Drive, Watford has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 Jun 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, 20, Cassiobury Drive, Watford was last sold on 30th July 2025 for £335,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since July 2025, the market for similar properties has dropped by 17.0%.

• Sold Jul 2025£335,000
• Sold Mar 2004£535,000

According to the Land Registry and our network of Estate Agents, there have been 29 sales of properties similar to 20, Cassiobury Drive, Watford within a radius of 520 metres since 2010.

The most recent example is 48, Rickmansworth Road, Watford, WD18 7HT, a freehold house which sold for £1,060,000 on the 1st February 2024.

Read more about house prices in WD17.

• Sold Feb 2024£1,060,000 | 5 Bed House48, Rickmansworth Road, Watford, WD18 7HT48, Rickmansworth Road, Watford, WD18 7HT
• Sold Jul 2023£1,065,000 | 5 Bed House71, The Avenue, Watford, WD17 4NU71, The Avenue, Watford, WD17 4NU
• Sold Feb 2022£1,100,000 | 5 Bed House55, Cassiobury Drive, Watford, WD17 3AD55, Cassiobury Drive, Watford, WD17 3AD
• 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 Oct 2020£1,230,000 | 5 Bed House21, Parkside Drive, Watford, WD17 3AS21, Parkside Drive, Watford, WD17 3AS
• Sold Sep 2019£930,000 | 5 Bed House15, Cassiobury Drive, Watford, WD17 3AA15, Cassiobury Drive, Watford, WD17 3AA
• Sold Jun 2019£800,000 | 5 Bed House70, Hempstead Road, Watford, WD17 4ER70, Hempstead Road, Watford, WD17 4ER
• 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 Jun 2017£872,500 | 5 Bed House9, Park Avenue, Watford, WD18 7HR9, Park Avenue, Watford, WD18 7HR
• Sold Feb 2016£1,010,000 | 5 Bed House45, The Avenue, Watford, WD17 4NU45, The Avenue, Watford, WD17 4NU
• 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 Dec 2013£850,000 | 5 Bed House44, Cassiobury Drive, Watford, WD17 3AB44, Cassiobury Drive, Watford, WD17 3AB
• Sold Apr 2010£720,000 | 5 Bed House34A, Cassiobury Park Avenue, Watford, WD18 7LB34A, Cassiobury Park Avenue, Watford, WD18 7LB

Cassiobury Drive, Watford, WD17 has a total of 241 addresses. According to our analysis of all the public data, 20, Cassiobury Drive, Watford is the 56th largest and the 102nd most expensive property on the street.

When compared to the postcode district it is £559k more expensive than the average property in WD17.

• 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

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