21, Mandeville Close, Watford occupies a 469 m² plot as recorded by HM Land Registry.

All 19 other houses in this postcode have recorded plot sizes, and this one ranks as the 9th largest.

21, Mandeville Close, Watford has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 May 2026.

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 167 sales of comparable properties within 640 metres of 21, Mandeville Close, Watford since 2016.

Most recently, 19, Harford Drive, Watford, WD17 3DQ, a freehold house, sold at £975,000 on the 16th February 2026.

Read more about house prices in WD17.

• Sold Feb 2026£975,000 | 4 Bed House19, Harford Drive, Watford, WD17 3DQ19, Harford Drive, Watford, WD17 3DQ
• Sold Jan 2026£960,000 | 4 Bed House2, Devereux Drive, Watford, WD17 3DE2, Devereux Drive, Watford, WD17 3DE
• Sold Dec 2025£892,000 | 4 Bed House11, Broom Grove, Watford, WD17 4RY11, Broom Grove, Watford, WD17 4RY
• Sold Dec 2025£1,125,000 | 5 Bed House37, Devereux Drive, Watford, WD17 3DD37, Devereux Drive, Watford, WD17 3DD
• Sold Dec 2025£1,050,000 | 4 Bed House11, Roughwood Close, Watford, WD17 3HN11, Roughwood Close, Watford, WD17 3HN
• Sold Sep 2025£1,065,000 | 4 Bed House233, Cassiobury Drive, Watford, WD17 3AN233, Cassiobury Drive, Watford, WD17 3AN
• Sold Jul 2025£846,000 | 4 Bed House60, Colnhurst Road, Watford, WD17 4BZ60, Colnhurst Road, Watford, WD17 4BZ
• Sold Jan 2025£932,500 | 4 Bed House14, Mandeville Close, Watford, WD17 4SF14, Mandeville Close, Watford, WD17 4SF
• Sold Dec 2024£1,110,000 | 4 Bed House40, Devereux Drive, Watford, WD17 3DE40, Devereux Drive, Watford, WD17 3DE
• Sold Jun 2024£1,200,000 | 4 Bed House229, Cassiobury Drive, Watford, WD17 3AN229, Cassiobury Drive, Watford, WD17 3AN
• Sold Sep 2023£1,175,000 | 4 Bed House5, Rounton Close, Watford, WD17 4DU5, Rounton Close, Watford, WD17 4DU
• Sold Mar 2022£980,000 | 4 Bed House5, Mandeville Close, Watford, WD17 4SF5, Mandeville Close, Watford, WD17 4SF
• Sold Jan 2022£893,000 | 4 Bed House6, Mandeville Close, Watford, WD17 4SF6, Mandeville Close, Watford, WD17 4SF
• Sold Aug 2021£960,000 | 4 Bed House306, Cassiobury Drive, Watford, WD17 3AW306, Cassiobury Drive, Watford, WD17 3AW
• Sold Apr 2021£800,000 | 4 Bed House10, Mandeville Close, Watford, WD17 4SF10, Mandeville Close, Watford, WD17 4SF
• Sold Mar 2021£940,000 | 4 Bed House4, Kildonan Close, Watford, WD17 4LH4, Kildonan Close, Watford, WD17 4LH
• Sold Oct 2019£925,000 | 4 Bed House80, Harford Drive, Watford, WD17 3DG80, Harford Drive, Watford, WD17 3DG
• Sold Sep 2019£870,000 | 4 Bed House16, Mandeville Close, Watford, WD17 4SF16, Mandeville Close, Watford, WD17 4SF
• Sold Apr 2019£755,000 | 4 Bed House51, Devereux Drive, Watford, WD17 3DD51, Devereux Drive, Watford, WD17 3DD
• Sold Jan 2016£865,000 | 4 Bed House185, Hempstead Road, Watford, WD17 3HG185, Hempstead Road, Watford, WD17 3HG

Our analysis of the public data ranks 21, Mandeville Close, Watford as the 5th largest and the 5th most expensive of the 19 addresses on Mandeville Close, Watford, WD17.

Against the WD17 postcode district average, it is £408k more expensive than the typical property.

• Nascot Wood Junior School

  300 m away
• Nascot Wood Infant and Nursery School

  300 m away
• Beechfield School

  600 m away

• Watford Grammar School for Boys

  1.9 km away
• Watford Grammar School for Girls

  2.4 km away
• Croxley Danes School

  2.5 km away

• Watford Junction

  |

  1.5 km away
• Watford

  |

  1.6 km away
• Watford North

  |

  1.7 km away

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