21, Robert Avenue, St. Albans occupies a 411 m² plot as recorded by HM Land Registry.

All 14 other houses in this postcode have recorded plot sizes, and this one ranks as the 9th largest.

21, Robert Avenue, St. Albans has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Mar 2023.

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

21, Robert Avenue, St. Albans last changed hands on 16th October 2023, selling for £620,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has dropped by 4.3% since October 2023.

• Sold Oct 2023£620,000
• Sold Jun 2005£285,000
• Sold May 1996£98,000

Land Registry records and our Estate Agent network show 116 sales of comparable properties within 830 metres of 21, Robert Avenue, St. Albans since 2014.

Most recently, 38, Robert Avenue, St. Albans, AL1 2QP, a freehold house, sold at £620,000 on the 29th August 2025.

Read more about house prices in AL1.

• Sold Aug 2025£620,000 | 3 Bed House38, Robert Avenue, St. Albans, AL1 2QP38, Robert Avenue, St. Albans, AL1 2QP
• Sold May 2025£490,000 | 3 Bed House36, Butt Field View, St. Albans, AL1 2QL36, Butt Field View, St. Albans, AL1 2QL
• Sold Mar 2025£606,000 | 3 Bed House78, Robert Avenue, St. Albans, AL1 2QR78, Robert Avenue, St. Albans, AL1 2QR
• Sold Mar 2025£567,500 | 3 Bed House17, Ashby Gardens, St. Albans, AL1 2NP17, Ashby Gardens, St. Albans, AL1 2NP
• Sold Feb 2025£645,000 | 3 Bed House18, Warren Road, St. Albans, AL1 2QJ18, Warren Road, St. Albans, AL1 2QJ
• Sold Feb 2025£555,000 | 2 Bed House26, Butt Field View, St. Albans, AL1 2QL26, Butt Field View, St. Albans, AL1 2QL
• Sold Dec 2024£560,000 | 3 Bed House64, Robert Avenue, St. Albans, AL1 2QR64, Robert Avenue, St. Albans, AL1 2QR
• Sold Jan 2024£575,000 | 3 Bed House6, Warren Road, St. Albans, AL1 2QJ6, Warren Road, St. Albans, AL1 2QJ
• Sold Dec 2022£850,000 | 3 Bed House7, Butt Field View, St. Albans, AL1 2QL7, Butt Field View, St. Albans, AL1 2QL
• Sold Mar 2022£570,000 | 3 Bed House86, Robert Avenue, St. Albans, AL1 2QR86, Robert Avenue, St. Albans, AL1 2QR
• Sold Dec 2021£675,000 | 3 Bed House24, Robert Avenue, St. Albans, AL1 2QP24, Robert Avenue, St. Albans, AL1 2QP
• Sold Aug 2021£700,000 | 3 Bed House17, Robert Avenue, St. Albans, AL1 2QW17, Robert Avenue, St. Albans, AL1 2QW
• Sold Feb 2021£550,000 | 3 Bed House84, Robert Avenue, St. Albans, AL1 2QR84, Robert Avenue, St. Albans, AL1 2QR
• Sold May 2020£547,750 | 3 Bed House60, Robert Avenue, St. Albans, AL1 2QR60, Robert Avenue, St. Albans, AL1 2QR
• Sold Apr 2020£570,000 | 3 Bed House3, Butt Field View, St. Albans, AL1 2QL3, Butt Field View, St. Albans, AL1 2QL
• Sold Nov 2019£545,000 | 3 Bed House15, Robert Avenue, St. Albans, AL1 2QW15, Robert Avenue, St. Albans, AL1 2QW
• Sold Aug 2017£575,000 | 3 Bed House36, Robert Avenue, St. Albans, AL1 2QP36, Robert Avenue, St. Albans, AL1 2QP
• Sold Jun 2017£485,000 | 3 Bed House30, Warren Road, St. Albans, AL1 2QJ30, Warren Road, St. Albans, AL1 2QJ
• Sold May 2017£585,000 | 3 Bed House14, Robert Avenue, St. Albans, AL1 2QP14, Robert Avenue, St. Albans, AL1 2QP
• Sold Jul 2014£440,000 | 3 Bed House24, Warren Road, St. Albans, AL1 2QJ24, Warren Road, St. Albans, AL1 2QJ

Agents in our network have reported 5 lettings within 830 metres of 21, Robert Avenue, St. Albans across the last 2 years.

The newest of these is 47, Vesta Avenue, St. Albans, AL1 2PE, a freehold house let by Collinson Hall in November 2025.

• 
  Let agreed Nov 2025£ Undisclosed | 5 Bed House47, Vesta Avenue, St. Albans, AL1 2PE47, Vesta Avenue, St. Albans, AL1 2PE
• 
  Let Apr 2025£ Undisclosed | 4 Bed House23, Robert Avenue, St. Albans, AL1 2QW23, Robert Avenue, St. Albans, AL1 2QW
• 
  Let Apr 2025£ Undisclosed | 1 Bed FlatFlat 1, Prince Eugene Place, Tithe Barn Close, St. Albans, AL1 2QYFlat 1, Prince Eugene Place, Tithe Barn Close, St. Albans, AL1 2QY
• 
  Let agreed Mar 2025£ Undisclosed | 1 Bed FlatFlat 4, Prince Eugene Place, Tithe Barn Close, St. Albans, AL1 2QYFlat 4, Prince Eugene Place, Tithe Barn Close, St. Albans, AL1 2QY
• 
  Let Dec 2023£ Undisclosed | 1 Bed FlatFlat 2, Prince Eugene Place, Tithe Barn Close, St. Albans, AL1 2QYFlat 2, Prince Eugene Place, Tithe Barn Close, St. Albans, AL1 2QY

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Our analysis of the public data ranks 21, Robert Avenue, St. Albans as the 56th largest and the 52nd most expensive of the 79 addresses on Robert Avenue, St. Albans, AL1.

Against the AL1 postcode district average, it is £24k less expensive than the typical property.

• St Adrian Roman Catholic Primary School

  400 m away
• Mandeville Primary School

  600 m away
• Killigrew Primary and Nursery School

  600 m away

• The Marlborough Science Academy

  300 m away
• Loreto College

  2.3 km away
• Verulam School

  3.1 km away

• St Albans Abbey

  |

  1.1 km away
• Park Street

  |

  1.3 km away
• How Wood (Hertfordshire)

  |

  2.0 km away

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