According to data from HM Land Registry, 23, Portman Close, St. Albans sits on a plot of 365 m².

We have plot size data on 23 out of 23 other houses in the postcode and 23, Portman Close, St. Albans sits on the 9th largest plot.

23, Portman Close, St. Albans has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Mar 2017.

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

According to HM Land Registry, 23, Portman Close, St. Albans was last sold on 20th August 2018 for £710,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since August 2018, the market for similar properties has risen by 17.9%.

• Sold Aug 2018£710,000

According to the Land Registry and our network of Estate Agents, there have been 171 sales of properties similar to 23, Portman Close, St. Albans within a radius of 800 metres since 2017.

The most recent example is 16, Lincolns Close, St. Albans, AL4 9YQ, a freehold house which sold for £870,000 on the 9th January 2026.

Read more about house prices in AL4.

• Sold Jan 2026£870,000 | 4 Bed House16, Lincolns Close, St. Albans, AL4 9YQ16, Lincolns Close, St. Albans, AL4 9YQ
• Sold Sep 2025£792,500 | 4 Bed House14, Holborn Close, St. Albans, AL4 9YG14, Holborn Close, St. Albans, AL4 9YG
• Sold May 2025£805,000 | 3 Bed House117, The Ridgeway, St. Albans, AL4 9XA117, The Ridgeway, St. Albans, AL4 9XA
• Sold Mar 2025£865,000 | 3 Bed House5, Holborn Close, St. Albans, AL4 9YG5, Holborn Close, St. Albans, AL4 9YG
• Sold Feb 2025£810,000 | 4 Bed House19, Pirton Close, St. Albans, AL4 9YJ19, Pirton Close, St. Albans, AL4 9YJ
• Sold Nov 2024£1,025,000 | 4 Bed House85, Windmill Avenue, St. Albans, AL4 9SJ85, Windmill Avenue, St. Albans, AL4 9SJ
• Sold Nov 2024£840,000 | 3 Bed House1, Lincolns Close, St. Albans, AL4 9YQ1, Lincolns Close, St. Albans, AL4 9YQ
• Sold Oct 2024£800,000 | 3 Bed House16, Pirton Close, St. Albans, AL4 9YJ16, Pirton Close, St. Albans, AL4 9YJ
• Sold Sep 2024£815,000 | 4 Bed House2, Highview Gardens, St. Albans, AL4 9JX2, Highview Gardens, St. Albans, AL4 9JX
• Sold Aug 2023£875,000 | 4 Bed House1, Langham Close, St. Albans, AL4 9YH1, Langham Close, St. Albans, AL4 9YH
• Sold Jul 2023£920,000 | 4 Bed House113, The Ridgeway, St. Albans, AL4 9XA113, The Ridgeway, St. Albans, AL4 9XA
• Sold Jul 2023£800,000 | 3 Bed House2, Mayfair Close, St. Albans, AL4 9TN2, Mayfair Close, St. Albans, AL4 9TN
• Sold May 2023£845,000 | 4 Bed House16, Mayfair Close, St. Albans, AL4 9TN16, Mayfair Close, St. Albans, AL4 9TN
• Sold Mar 2023£635,000 | 4 Bed House57, Windmill Avenue, St. Albans, AL4 9SJ57, Windmill Avenue, St. Albans, AL4 9SJ
• Sold Dec 2022£787,500 | 4 Bed House7, Wendover Close, St. Albans, AL4 9JW7, Wendover Close, St. Albans, AL4 9JW
• Sold Dec 2022£760,000 | 4 Bed House10, Wendover Close, St. Albans, AL4 9JW10, Wendover Close, St. Albans, AL4 9JW
• Sold Mar 2022£668,000 | 3 Bed House21, Highview Gardens, St. Albans, AL4 9JX21, Highview Gardens, St. Albans, AL4 9JX
• Sold Nov 2019£670,000 | 4 Bed House10, Holborn Close, St. Albans, AL4 9YG10, Holborn Close, St. Albans, AL4 9YG
• Sold Sep 2019£625,000 | 3 Bed House1, Highview Gardens, St. Albans, AL4 9JX1, Highview Gardens, St. Albans, AL4 9JX
• Sold Jul 2017£735,000 | 3 Bed House17, Mayfair Close, St. Albans, AL4 9TN17, Mayfair Close, St. Albans, AL4 9TN

Our network of Estate Agents reports 3 lets within 800 metres of 23, Portman Close, St. Albans over the last 2 years.

Most recently, 24, Wilstone Drive, St. Albans, AL4 9TT, a freehold house, was let by Collinson Hall in November 2025.

• 
  Let agreed Nov 2025£ Undisclosed | 2 Bed House24, Wilstone Drive, St. Albans, AL4 9TT24, Wilstone Drive, St. Albans, AL4 9TT
• 
  Let agreed Jul 2023£ Undisclosed | 3 Bed House89, Harvesters, St. Albans, AL4 9QX89, Harvesters, St. Albans, AL4 9QX
• 
  Let agreed May 2023£ Undisclosed | 4 Bed House6, Chancery Close, St. Albans, AL4 9YF6, Chancery Close, St. Albans, AL4 9YF

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

Portman Close, St. Albans, AL4 has a total of 23 addresses. According to our analysis of all the public data, 23, Portman Close, St. Albans is the 13th largest and the 13th most expensive property on the street.

When compared to the postcode district it is £136k more expensive than the average property in AL4.

• Skyswood Primary & Nursery School

  500 m away
• St John Fisher Catholic Primary School, a Voluntary Academy

  700 m away
• Wheatfields Junior Mixed School

  800 m away

• Sandringham School

  600 m away
• Beaumont School

  1.9 km away
• Verulam School

  2.2 km away

• St Albans City

  |

  3.1 km away
• St Albans Abbey

  |

  4.2 km away
• Hatfield (Herts)

  |

  5.8 km away

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