21, Sixth Avenue, Watford occupies a 288 m² plot as recorded by HM Land Registry.

Of the 16 other houses in this postcode, 15 have recorded plot sizes, and this one ranks as the 9th largest.

21, Sixth Avenue, Watford has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 07 Oct 2016.

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

21, Sixth Avenue, Watford last changed hands on 11th March 2021, selling for £700,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 4 times since 1995.

The market for similar properties has risen by 2.0% since March 2021.

Land Registry records and our Estate Agent network show 147 sales of comparable properties within 500 metres of 21, Sixth Avenue, Watford since 2017.

Most recently, 22, Felden Close, Watford, WD25 9QW, a freehold house, sold at £420,000 on the 1st May 2026.

Read more about house prices in WD25.

• Sold May 2026£420,000 | 3 Bed House22, Felden Close, Watford, WD25 9QW22, Felden Close, Watford, WD25 9QW
• Sold Apr 2026£515,000 | 3 Bed House34, Garston Lane, Watford, WD25 9QL34, Garston Lane, Watford, WD25 9QL
• Sold Apr 2026£495,000 | 3 Bed House21, Lavinia Avenue, Watford, WD25 0LF21, Lavinia Avenue, Watford, WD25 0LF
• Sold Feb 2026£500,000 | 3 Bed House21, Severn Way, Watford, WD25 0DJ21, Severn Way, Watford, WD25 0DJ
• Sold Jan 2026£480,000 | 3 Bed House36, Codicote Drive, Watford, WD25 9QY36, Codicote Drive, Watford, WD25 9QY
• Sold Aug 2025£500,000 | 3 Bed House19, Rother Close, Watford, WD25 0DW19, Rother Close, Watford, WD25 0DW
• Sold Jun 2025£466,000 | 3 Bed House44, Whitwell Road, Watford, WD25 9SS44, Whitwell Road, Watford, WD25 9SS
• Sold Jan 2025£475,000 | 3 Bed House28, Woodhurst Avenue, Watford, WD25 9RQ28, Woodhurst Avenue, Watford, WD25 9RQ
• Sold Nov 2024£515,000 | 3 Bed House11, Third Avenue, Watford, WD25 9QD11, Third Avenue, Watford, WD25 9QD
• Sold Aug 2024£476,000 | 3 Bed House9A, Holtsmere Close, Watford, WD25 9NG9A, Holtsmere Close, Watford, WD25 9NG
• Sold Jun 2024£440,000 | 3 Bed House22, Garston Crescent, Watford, WD25 0LD22, Garston Crescent, Watford, WD25 0LD
• Sold May 2024£450,000 | 3 Bed House33, The Pelhams, Watford, WD25 9SY33, The Pelhams, Watford, WD25 9SY
• Sold Nov 2023£500,000 | 3 Bed House11, Holtsmere Close, Watford, WD25 9NG11, Holtsmere Close, Watford, WD25 9NG
• Sold Apr 2022£430,000 | 3 Bed House7, Rother Close, Watford, WD25 0DW7, Rother Close, Watford, WD25 0DW
• Sold Mar 2022£505,000 | 3 Bed House1, Sixth Avenue, Watford, WD25 9QA1, Sixth Avenue, Watford, WD25 9QA
• Sold Feb 2021£415,000 | 3 Bed House29, Sixth Avenue, Watford, WD25 9QA29, Sixth Avenue, Watford, WD25 9QA
• Sold Dec 2019£425,000 | 3 Bed House8, Holtsmere Close, Watford, WD25 9NG8, Holtsmere Close, Watford, WD25 9NG
• Sold Mar 2019£450,000 | 3 Bed House81, Kilby Close, Watford, WD25 9FJ81, Kilby Close, Watford, WD25 9FJ
• Sold Jun 2018£482,000 | 3 Bed House40, Kilby Close, Watford, WD25 9FJ40, Kilby Close, Watford, WD25 9FJ
• Sold Nov 2017£500,000 | 3 Bed House53, Kilby Close, Watford, WD25 9FJ53, Kilby Close, Watford, WD25 9FJ

Our analysis of the public data ranks 21, Sixth Avenue, Watford as the 15th largest and the 13th most expensive of the 16 addresses on Sixth Avenue, Watford, WD25.

Against the WD25 postcode district average, it is £14k more expensive than the typical property.

• The Grove Academy

  400 m away
• Parkgate Infants' and Nursery School

  1.0 km away
• Coates Way JMI and Nursery School

  1.0 km away

• Future Academies Watford

  1.3 km away
• Saint Michael's Catholic High School

  1.4 km away
• Parmiter's School

  1.8 km away

• Garston (Hertfordshire)

  |

  400 m away
• Watford North

  |

  1.3 km away
• Watford Junction

  |

  2.7 km away

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