4, Whetstone Close, Welwyn occupies a 399 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 6th largest.

4, Whetstone Close, Welwyn has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Mar 2013.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

4, Whetstone Close, Welwyn last changed hands on 28th August 2013, selling for £387,500. 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 60.4% since August 2013.

• Sold Aug 2013£387,500

Land Registry records and our Estate Agent network show 193 sales of comparable properties within 1.5 kilometres of 4, Whetstone Close, Welwyn since 2017.

Most recently, 14, Birch Grove, Welwyn, AL6 0QP, a freehold house, sold at £785,000 on the 28th November 2025.

Read more about house prices in AL6.

• Sold Nov 2025£785,000 | 4 Bed House14, Birch Grove, Welwyn, AL6 0QP14, Birch Grove, Welwyn, AL6 0QP
• Sold Jul 2025£725,000 | 3 Bed House10, Whetstone Close, Welwyn, AL6 0QW10, Whetstone Close, Welwyn, AL6 0QW
• Sold Jun 2025£725,000 | 4 Bed House23, Birch Grove, Welwyn, AL6 0QP23, Birch Grove, Welwyn, AL6 0QP
• Sold Mar 2025£575,000 | 4 Bed House20, Canonsfield, Welwyn, AL6 0QD20, Canonsfield, Welwyn, AL6 0QD
• Sold Feb 2025£670,000 | 4 Bed House18, Birch Grove, Welwyn, AL6 0QP18, Birch Grove, Welwyn, AL6 0QP
• Sold Oct 2024£750,000 | 4 Bed House28, Bluebells, Welwyn, AL6 0XD28, Bluebells, Welwyn, AL6 0XD
• Sold Jul 2024£770,000 | 4 Bed House16, Canonsfield Road, Welwyn, AL6 0QH16, Canonsfield Road, Welwyn, AL6 0QH
• Sold Jul 2024£600,000 | 3 Bed House6, Birch Grove, Welwyn, AL6 0QP6, Birch Grove, Welwyn, AL6 0QP
• Sold Jan 2024£700,000 | 4 Bed House3, Leonards Close, Welwyn, AL6 0QJ3, Leonards Close, Welwyn, AL6 0QJ
• Sold Jul 2023£620,000 | 4 Bed House22, Birch Grove, Welwyn, AL6 0QP22, Birch Grove, Welwyn, AL6 0QP
• Sold Apr 2023£575,000 | 3 Bed House20, Birch Grove, Welwyn, AL6 0QP20, Birch Grove, Welwyn, AL6 0QP
• Sold Dec 2022£720,000 | 4 Bed House24, Oaklea, Welwyn, AL6 0PU24, Oaklea, Welwyn, AL6 0PU
• Sold May 2022£730,000 | 4 Bed House1, Treetops, Welwyn, AL6 0HU1, Treetops, Welwyn, AL6 0HU
• Sold May 2022£635,000 | 3 Bed House6, Juniper Gardens, Welwyn, AL6 0XH6, Juniper Gardens, Welwyn, AL6 0XH
• Sold Jun 2021£688,000 | 3 Bed House4, Birch Grove, Welwyn, AL6 0QP4, Birch Grove, Welwyn, AL6 0QP
• Sold Feb 2021£575,000 | 4 Bed House8, Birch Grove, Welwyn, AL6 0QP8, Birch Grove, Welwyn, AL6 0QP
• Sold Sep 2020£545,000 | 4 Bed House9, Birch Grove, Welwyn, AL6 0QP9, Birch Grove, Welwyn, AL6 0QP
• Sold Aug 2020£681,000 | 4 Bed House18, Canonsfield, Welwyn, AL6 0QD18, Canonsfield, Welwyn, AL6 0QD
• Sold Apr 2020£685,770 | 4 Bed House18, Bluebells, Welwyn, AL6 0XD18, Bluebells, Welwyn, AL6 0XD
• Sold Apr 2017£505,000 | 4 Bed House24, Foxglove Way, Welwyn, AL6 0PQ24, Foxglove Way, Welwyn, AL6 0PQ

Our analysis of the public data ranks 4, Whetstone Close, Welwyn as the 5th largest and the 3rd most expensive of the 9 addresses on Whetstone Close, Welwyn, AL6.

Against the AL6 postcode district average, it is £66k less expensive than the typical property.

• Oaklands Primary School

  200 m away
• St Michael's Woolmer Green CofE VA Primary School

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

  2.2 km away

• Monk's Walk School

  2.8 km away
• Ridgeway Academy

  4.8 km away
• Barnwell School

  5.4 km away

• Welwyn North

  |

  2.3 km away
• Knebworth

  |

  2.7 km away
• Welwyn Garden City

  |

  4.7 km away

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