According to data from HM Land Registry, 21, Sewell Close, St. Albans sits on a plot of 376 m².

We have plot size data on 10 out of 14 other houses in the postcode and 21, Sewell Close, St. Albans sits on the 5th largest plot.

21, Sewell Close, St. Albans has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 23 May 2022.

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

According to HM Land Registry, 21, Sewell Close, St. Albans was last sold on 16th May 2023 for £700,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since May 2023, the market for similar properties has dropped by 1.9%.

• Sold May 2023£700,000

According to the Land Registry and our network of Estate Agents, there have been 148 sales of properties similar to 21, Sewell Close, St. Albans within a radius of 1.1 kilometres since 2019.

The most recent example is 27, Hobbs Close, St. Albans, AL4 0TQ, a freehold house which sold for £725,000 on the 15th January 2026.

Read more about house prices in AL4.

• Sold Jan 2026£725,000 | 3 Bed House27, Hobbs Close, St. Albans, AL4 0TQ27, Hobbs Close, St. Albans, AL4 0TQ
• Sold Aug 2025£640,000 | 3 Bed House5, Bell View, St. Albans, AL4 0SQ5, Bell View, St. Albans, AL4 0SQ
• Sold Jun 2025£555,000 | 3 Bed House18, Sewell Close, St. Albans, AL4 0TB18, Sewell Close, St. Albans, AL4 0TB
• Sold Jun 2025£620,000 | 3 Bed House32, Bell View, St. Albans, AL4 0SQ32, Bell View, St. Albans, AL4 0SQ
• Sold May 2025£485,000 | 3 Bed House4, Swans Close, St. Albans, AL4 0TL4, Swans Close, St. Albans, AL4 0TL
• Sold Feb 2025£590,000 | 3 Bed House70, Longacres, St. Albans, AL4 0DR70, Longacres, St. Albans, AL4 0DR
• Sold Aug 2024£520,000 | 3 Bed House4, Charlotte Close, St. Albans, AL4 0TS4, Charlotte Close, St. Albans, AL4 0TS
• Sold Jul 2024£700,000 | 3 Bed House67, Longacres, St. Albans, AL4 0SL67, Longacres, St. Albans, AL4 0SL
• Sold Jun 2024£545,000 | 2 Bed House5, Sewell Close, St. Albans, AL4 0TB5, Sewell Close, St. Albans, AL4 0TB
• Sold Jun 2024£700,000 | 3 Bed House490, Hatfield Road, St. Albans, AL4 0SX490, Hatfield Road, St. Albans, AL4 0SX
• Sold Jan 2024£600,000 | 3 Bed House4, Boissy Close, St. Albans, AL4 0UE4, Boissy Close, St. Albans, AL4 0UE
• Sold Jan 2024£579,500 | 3 Bed House45, Colney Heath Lane, St. Albans, AL4 0TJ45, Colney Heath Lane, St. Albans, AL4 0TJ
• Sold Oct 2023£557,500 | 3 Bed House18, Bell View, St. Albans, AL4 0SQ18, Bell View, St. Albans, AL4 0SQ
• Sold Jul 2023£480,000 | 3 Bed House3, Sewell Close, St. Albans, AL4 0TB3, Sewell Close, St. Albans, AL4 0TB
• Sold Apr 2023£690,000 | 3 Bed House52, Firwood Avenue, St. Albans, AL4 0TE52, Firwood Avenue, St. Albans, AL4 0TE
• Sold Oct 2022£680,000 | 3 Bed House57, Cedarwood Drive, St. Albans, AL4 0DN57, Cedarwood Drive, St. Albans, AL4 0DN
• Sold Jun 2022£590,000 | 3 Bed House7, Boissy Close, St. Albans, AL4 0UE7, Boissy Close, St. Albans, AL4 0UE
• Sold May 2021£572,500 | 3 Bed House476A, Hatfield Road, St. Albans, AL4 0XS476A, Hatfield Road, St. Albans, AL4 0XS
• Sold Sep 2020£525,000 | 3 Bed House9, Boissy Close, St. Albans, AL4 0UE9, Boissy Close, St. Albans, AL4 0UE
• Sold Jul 2019£542,000 | 3 Bed House476B, Hatfield Road, St. Albans, AL4 0XS476B, Hatfield Road, St. Albans, AL4 0XS

Our network of Estate Agents reports 4 lets within 1.1 kilometres of 21, Sewell Close, St. Albans over the last 2 years.

Most recently, 33, Cedar Court, St. Albans, AL4 0DL, a leasehold flat, was let by Collinson Hall in October 2025.

• 
  Let agreed Oct 2025£ Undisclosed | 2 Bed Flat33, Cedar Court, St. Albans, AL4 0DL33, Cedar Court, St. Albans, AL4 0DL
• 
  Let agreed Apr 2025£ Undisclosed | 3 Bed House30, Princess Diana Drive, St. Albans, AL4 0DQ30, Princess Diana Drive, St. Albans, AL4 0DQ
• 
  Let Apr 2025£ Undisclosed | 1 Bed House58, Wynchlands Crescent, St. Albans, AL4 0XL58, Wynchlands Crescent, St. Albans, AL4 0XL
• 
  Let agreed Mar 2023£ Undisclosed | 4 Bed House46, Oakwood Drive, St. Albans, AL4 0XD46, Oakwood Drive, St. Albans, AL4 0XD

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

Sewell Close, St. Albans, AL4 has a total of 14 addresses. According to our analysis of all the public data, 21, Sewell Close, St. Albans is the 11th largest and the 10th most expensive property on the street.

When compared to the postcode district it is £86k less expensive than the average property in AL4.

• Oakwood Primary School

  1.1 km away
• Camp Primary and Nursery School

  1.5 km away
• Windermere Primary School

  1.5 km away

• Nicholas Breakspear Catholic School

  300 m away
• Beaumont School

  900 m away
• Verulam School

  1.9 km away

• St Albans City

  |

  2.6 km away
• St Albans Abbey

  |

  3.7 km away
• Park Street

  |

  4.5 km away

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