HM Land Registry records the plot of land for 22, Gwynfa Close, Welwyn as measuring 728 m².

That makes it the 5th largest plot in the postcode, where all 8 other houses have recorded plot data.

22, Gwynfa Close, Welwyn has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 07 Aug 2015.

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

The most recent sale of 22, Gwynfa Close, Welwyn completed on 27th August 2009 at £375,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 102.2% over the period since August 2009.

• Sold Aug 2009£375,000

Since 2009 128 properties similar to 22, Gwynfa Close, Welwyn have sold within a radius of 1.5 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 28th November 2025, was 14, Birch Grove, Welwyn, AL6 0QP, a freehold house which sold for £785,000.

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 Nov 2025£747,218 | 4 Bed House4A, Heathbrow Road, Welwyn, AL6 0QG4A, Heathbrow Road, Welwyn, AL6 0QG
• Sold Apr 2025£645,000 | 4 Bed House1A, Oaklea, Welwyn, AL6 0PT1A, Oaklea, Welwyn, AL6 0PT
• Sold Jul 2024£810,000 | 4 Bed House24, Canonsfield, Welwyn, AL6 0QD24, Canonsfield, Welwyn, AL6 0QD
• Sold Jul 2024£722,500 | 4 Bed House18, Great North Road, Welwyn, AL6 0PS18, Great North Road, Welwyn, AL6 0PS
• Sold Jan 2024£655,000 | 4 Bed House12, Foxglove Way, Welwyn, AL6 0PQ12, Foxglove Way, Welwyn, AL6 0PQ
• Sold Jan 2024£700,000 | 4 Bed House3, Leonards Close, Welwyn, AL6 0QJ3, Leonards Close, Welwyn, AL6 0QJ
• Sold Oct 2023£637,500 | 4 Bed House4, Whetstone Court, Welwyn, AL6 0QY4, Whetstone Court, Welwyn, AL6 0QY
• Sold Mar 2023£680,000 | 4 Bed House22, Oaklea, Welwyn, AL6 0PU22, Oaklea, Welwyn, AL6 0PU
• Sold Feb 2023£721,500 | 4 Bed House10A, Oaklea Wood, Welwyn, AL6 0PJ10A, Oaklea Wood, Welwyn, AL6 0PJ
• Sold Feb 2021£680,000 | 4 Bed House5, Copper Beeches, Welwyn, AL6 0SS5, Copper Beeches, Welwyn, AL6 0SS
• Sold Oct 2020£817,500 | 4 Bed House6, Oaklea Wood, Welwyn, AL6 0PJ6, Oaklea Wood, Welwyn, AL6 0PJ
• Sold Jul 2020£745,000 | 4 Bed House21, Bluebells, Welwyn, AL6 0XD21, Bluebells, Welwyn, AL6 0XD
• Sold Apr 2020£685,770 | 4 Bed House18, Bluebells, Welwyn, AL6 0XD18, Bluebells, Welwyn, AL6 0XD
• Sold Jul 2018£580,000 | 4 Bed House10, The Avenue, Welwyn, AL6 0PN10, The Avenue, Welwyn, AL6 0PN
• Sold Mar 2018£595,000 | 4 Bed House8, The Avenue, Welwyn, AL6 0PN8, The Avenue, Welwyn, AL6 0PN
• Sold Apr 2017£505,000 | 4 Bed House24, Foxglove Way, Welwyn, AL6 0PQ24, Foxglove Way, Welwyn, AL6 0PQ
• Sold Jul 2012£534,000 | 4 Bed House26, Birch Grove, Welwyn, AL6 0QP26, Birch Grove, Welwyn, AL6 0QP
• Sold May 2012£240,000 | 4 Bed House20, The Avenue, Welwyn, AL6 0PP20, The Avenue, Welwyn, AL6 0PP
• Sold Aug 2009£408,000 | 4 Bed House24, Gwynfa Close, Welwyn, AL6 0PR24, Gwynfa Close, Welwyn, AL6 0PR

Of the 8 addresses on Gwynfa Close, Welwyn, AL6, 22, Gwynfa Close, Welwyn comes out as the 5th largest and the 5th most expensive in our analysis of the public data.

It is also £95k less expensive than the average property across the AL6 district.

• Oaklands Primary School

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

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

  2.0 km away

• Monk's Walk School

  2.5 km away
• Ridgeway Academy

  4.7 km away
• Barnwell School

  5.7 km away

• Welwyn North

  |

  2.1 km away
• Knebworth

  |

  2.9 km away
• Welwyn Garden City

  |

  4.5 km away

The flood risk here is rated Very Low, based on Environment Agency data.