4, Hammond Close, Welwyn occupies a 137 m² plot as recorded by HM Land Registry.

All 9 other houses in this postcode have recorded plot sizes, and this one ranks as the 2nd largest.

4, Hammond Close, Welwyn has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 28 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).

4, Hammond Close, Welwyn last changed hands on 1st April 2011, selling for £261,500. 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 risen by 110.0% since April 2011.

Land Registry records and our Estate Agent network show 113 sales of comparable properties within 920 metres of 4, Hammond Close, Welwyn since 2017.

Most recently, 12, Welwyn By Pass Road, Welwyn, AL6 9FJ, a freehold house, sold at £445,000 on the 10th February 2026.

Read more about house prices in AL6.

• Sold Feb 2026£445,000 | 3 Bed House12, Welwyn By Pass Road, Welwyn, AL6 9FJ12, Welwyn By Pass Road, Welwyn, AL6 9FJ
• Sold Oct 2025£470,000 | 3 Bed House20, Stuart Road, Welwyn, AL6 9JN20, Stuart Road, Welwyn, AL6 9JN
• Sold Jul 2025£468,000 | 3 Bed House54B, London Road, Welwyn, AL6 9HX54B, London Road, Welwyn, AL6 9HX
• Sold Jan 2025£455,000 | 3 Bed House6, Parkside, Welwyn, AL6 9DQ6, Parkside, Welwyn, AL6 9DQ
• Sold Jan 2025£468,000 | 3 Bed House56A, London Road, Welwyn, AL6 9HX56A, London Road, Welwyn, AL6 9HX
• Sold Jan 2025£370,000 | 3 Bed House31, Becket Gardens, Welwyn, AL6 9JE31, Becket Gardens, Welwyn, AL6 9JE
• Sold Nov 2024£420,000 | 3 Bed House27, Becket Gardens, Welwyn, AL6 9JE27, Becket Gardens, Welwyn, AL6 9JE
• Sold Oct 2024£460,000 | 3 Bed House17, Becket Gardens, Welwyn, AL6 9JE17, Becket Gardens, Welwyn, AL6 9JE
• Sold Mar 2024£365,000 | 3 Bed House21, St. Marys Court, Welwyn, AL6 9AU21, St. Marys Court, Welwyn, AL6 9AU
• Sold Nov 2022£409,000 | 3 Bed House3, Hammond Close, Welwyn, AL6 9FH3, Hammond Close, Welwyn, AL6 9FH
• Sold Oct 2022£477,250 | 3 Bed House54A, London Road, Welwyn, AL6 9HX54A, London Road, Welwyn, AL6 9HX
• Sold Jul 2022£480,000 | 3 Bed House10, Welwyn By Pass Road, Welwyn, AL6 9FJ10, Welwyn By Pass Road, Welwyn, AL6 9FJ
• Sold Sep 2021£455,000 | 3 Bed House56B, London Road, Welwyn, AL6 9HX56B, London Road, Welwyn, AL6 9HX
• Sold Sep 2021£417,500 | 3 Bed House50A, London Road, Welwyn, AL6 9HX50A, London Road, Welwyn, AL6 9HX
• Sold Jun 2021£440,000 | 3 Bed House56, London Road, Welwyn, AL6 9HX56, London Road, Welwyn, AL6 9HX
• Sold Apr 2021£425,000 | 3 Bed House52, London Road, Welwyn, AL6 9HX52, London Road, Welwyn, AL6 9HX
• Sold Dec 2020£370,000 | 3 Bed House2, Hammond Close, Welwyn, AL6 9FH2, Hammond Close, Welwyn, AL6 9FH
• Sold Jul 2020£380,000 | 3 Bed House1, Hammond Close, Welwyn, AL6 9FH1, Hammond Close, Welwyn, AL6 9FH
• Sold Dec 2019£375,000 | 3 Bed House16, St. Marys Court, Welwyn, AL6 9AU16, St. Marys Court, Welwyn, AL6 9AU
• Sold Aug 2017£415,000 | 3 Bed House16, Welwyn By Pass Road, Welwyn, AL6 9FJ16, Welwyn By Pass Road, Welwyn, AL6 9FJ

Agents in our network have reported 1 letting of a comparable property within 920 metres of 4, Hammond Close, Welwyn across the last 2 years.

The newest of these is 5, Wilga Road, Welwyn, AL6 9PT, a freehold house let by Collinson Hall in November 2023.

• 
  Let agreed Nov 2023£ Undisclosed | 3 Bed House5, Wilga Road, Welwyn, AL6 9PT5, Wilga Road, Welwyn, AL6 9PT

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

Our analysis of the public data ranks 4, Hammond Close, Welwyn as the 2nd largest and the 2nd most expensive of the 9 addresses on Hammond Close, Welwyn, AL6.

Against the AL6 postcode district average, it is £354k less expensive than the typical property.

• Welwyn St Mary's Church of England Voluntary Aided Primary School

  300 m away
• Homerswood Primary and Nursery School

  1.1 km away
• Harwood Hill Junior Mixed Infant and Nursery School

  1.4 km away

• Monk's Walk School

  600 m away
• Ridgeway Academy

  3.5 km away
• Stanborough School

  3.8 km away

• Welwyn North

  |

  1.5 km away
• Welwyn Garden City

  |

  2.7 km away
• Knebworth

  |

  5.0 km away

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