21, St. Stephens Avenue, St. Albans occupies a 1,063 m² plot as recorded by HM Land Registry.

Of the 24 other houses in this postcode, 19 have recorded plot sizes, and this one ranks as the 3rd largest.

21, St. Stephens Avenue, St. Albans has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 May 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, St. Stephens Avenue, St. Albans last changed hands on 24th October 2023, selling for £1,575,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has dropped by 13.0% since October 2023.

Land Registry records and our Estate Agent network show 37 sales of comparable properties within 790 metres of 21, St. Stephens Avenue, St. Albans since 2008.

Most recently, 3, Mistletoe Mews, St. Albans, AL3 4NR, a freehold house, sold at £1,425,000 on the 6th February 2026.

Read more about house prices in AL3.

• Sold Feb 2026£1,425,000 | 5 Bed House3, Mistletoe Mews, St. Albans, AL3 4NR3, Mistletoe Mews, St. Albans, AL3 4NR
• Sold Oct 2024£1,340,000 | 4 Bed House3, St. Stephens Close, St. Albans, AL3 4AB3, St. Stephens Close, St. Albans, AL3 4AB
• Sold Oct 2024£1,450,000 | 5 Bed House1, Mistletoe Mews, St. Albans, AL3 4NR1, Mistletoe Mews, St. Albans, AL3 4NR
• Sold Aug 2024£1,254,000 | 5 Bed House28, Abbey Avenue, St. Albans, AL3 4AZ28, Abbey Avenue, St. Albans, AL3 4AZ
• Sold Sep 2021£1,220,000 | 5 Bed House1, Laurelsfield, St. Albans, AL3 4BZ1, Laurelsfield, St. Albans, AL3 4BZ
• Sold Oct 2019£1,080,000 | 5 Bed House30, Mortimer Crescent, St. Albans, AL3 4GJ30, Mortimer Crescent, St. Albans, AL3 4GJ
• Sold Feb 2019£1,300,000 | 5 Bed House4, Abbey Avenue, St. Albans, AL3 4AZ4, Abbey Avenue, St. Albans, AL3 4AZ
• Sold Sep 2016£984,000 | 5 Bed House11, St. Stephens Close, St. Albans, AL3 4AB11, St. Stephens Close, St. Albans, AL3 4AB
• Sold Aug 2016£1,200,000 | 5 Bed House32, St. Stephens Avenue, St. Albans, AL3 4AD32, St. Stephens Avenue, St. Albans, AL3 4AD
• Sold Mar 2016£950,000 | 5 Bed House19, Abbey Avenue, St. Albans, AL3 4BJ19, Abbey Avenue, St. Albans, AL3 4BJ
• Sold May 2015£1,062,000 | 5 Bed House6, The Green, St. Albans, AL3 4GH6, The Green, St. Albans, AL3 4GH
• Sold Nov 2014£950,000 | 5 Bed House20, Mortimer Crescent, St. Albans, AL3 4GJ20, Mortimer Crescent, St. Albans, AL3 4GJ
• Sold Nov 2014£1,200,000 | 5 Bed House12, King Harry Lane, St. Albans, AL3 4AR12, King Harry Lane, St. Albans, AL3 4AR
• Sold Dec 2013£985,000 | 5 Bed House17, Midway, St. Albans, AL3 4BD17, Midway, St. Albans, AL3 4BD
• Sold Sep 2013£975,000 | 5 Bed House2, Tiberius Square, St. Albans, AL3 4GE2, Tiberius Square, St. Albans, AL3 4GE
• Sold Jun 2013£950,000 | 5 Bed House1, The Green, St. Albans, AL3 4GH1, The Green, St. Albans, AL3 4GH
• Sold Jan 2012£695,000 | 5 Bed House6, Abbey Avenue, St. Albans, AL3 4AZ6, Abbey Avenue, St. Albans, AL3 4AZ
• Sold Feb 2010£785,000 | 5 Bed House18, St. Stephens Avenue, St. Albans, AL3 4AD18, St. Stephens Avenue, St. Albans, AL3 4AD
• Sold Dec 2009£570,000 | 5 Bed House52, Abbey Avenue, St. Albans, AL3 4AZ52, Abbey Avenue, St. Albans, AL3 4AZ
• Sold Jan 2008£590,000 | 5 Bed House1, St. Stephens Avenue, St. Albans, AL3 4AA1, St. Stephens Avenue, St. Albans, AL3 4AA

Agents in our network have reported 5 lettings within 790 metres of 21, St. Stephens 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 | 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 Apr 2025£ Undisclosed | 4 Bed House23, Robert Avenue, St. Albans, AL1 2QW23, Robert Avenue, St. Albans, AL1 2QW
• 
  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, St. Stephens Avenue, St. Albans as the 31st largest and the 16th most expensive of the 51 addresses on St. Stephens Avenue, St. Albans, AL3.

Against the AL3 postcode district average, it is £850k more expensive than the typical property.

• Prae Wood Primary School

  600 m away
• St Adrian Roman Catholic Primary School

  800 m away
• Killigrew Primary and Nursery School

  1.1 km away

• The Marlborough Science Academy

  400 m away
• Loreto College

  2.2 km away
• Verulam School

  3.1 km away

• St Albans Abbey

  |

  900 m away
• Park Street

  |

  2.0 km away
• St Albans City

  |

  2.1 km away

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