HM Land Registry records the plot of land for 10, Whetstone Close, Welwyn as measuring 426 m².

That makes it the 5th largest plot in the postcode, where all 9 other houses have recorded plot data.

10, Whetstone Close, Welwyn has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 21 Feb 2025.

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 10, Whetstone Close, Welwyn completed on 28th July 2025 at £725,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 4 times.

Values of comparable properties have dropped by 2.5% over the period since July 2025.

• Sold Jul 2025£725,000
• Sold Apr 2009£385,000
• Sold Sep 2007£430,000

Since 2012 128 properties similar to 10, Whetstone 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 May 2026, was 26, Canonsfield, Welwyn, AL6 0QD, a freehold house which sold for £700,000.

Read more about house prices in AL6.

• Sold May 2026£700,000 | 3 Bed House26, Canonsfield, Welwyn, AL6 0QD26, Canonsfield, Welwyn, AL6 0QD
• Sold Mar 2025£575,000 | 4 Bed House20, Canonsfield, Welwyn, AL6 0QD20, Canonsfield, Welwyn, AL6 0QD
• Sold Oct 2024£750,000 | 4 Bed House28, Bluebells, Welwyn, AL6 0XD28, Bluebells, Welwyn, AL6 0XD
• Sold Jul 2024£600,000 | 3 Bed House6, Birch Grove, Welwyn, AL6 0QP6, Birch Grove, Welwyn, AL6 0QP
• Sold Jul 2024£687,500 | 3 Bed House16, The Chase, Welwyn, AL6 0QT16, The Chase, Welwyn, AL6 0QT
• Sold Jul 2023£620,000 | 4 Bed House22, Birch Grove, Welwyn, AL6 0QP22, Birch Grove, Welwyn, AL6 0QP
• Sold Apr 2023£575,000 | 4 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 Jun 2022£648,000 | 4 Bed House14, Oaklea, Welwyn, AL6 0PU14, Oaklea, Welwyn, AL6 0PU
• Sold May 2022£635,000 | 3 Bed House6, Juniper Gardens, Welwyn, AL6 0XH6, Juniper Gardens, Welwyn, AL6 0XH
• Sold Jun 2021£688,000 | 4 Bed House4, Birch Grove, Welwyn, AL6 0QP4, Birch Grove, Welwyn, AL6 0QP
• Sold Jun 2021£690,000 | 3 Bed House11, Copper Beeches, Welwyn, AL6 0SS11, Copper Beeches, Welwyn, AL6 0SS
• Sold Mar 2021£429,000 | 3 Bed House2, Whetstone Close, Welwyn, AL6 0QW2, Whetstone Close, Welwyn, AL6 0QW
• Sold Jun 2020£680,000 | 4 Bed House1, Copper Beeches, Welwyn, AL6 0SS1, Copper Beeches, Welwyn, AL6 0SS
• Sold Feb 2018£615,000 | 3 Bed House2, Birch Grove, Welwyn, AL6 0QP2, Birch Grove, Welwyn, AL6 0QP
• Sold Oct 2017£498,000 | 3 Bed House2, Juniper Gardens, Welwyn, AL6 0XH2, Juniper Gardens, Welwyn, AL6 0XH
• Sold Jul 2017£525,000 | 3 Bed House15, Birch Grove, Welwyn, AL6 0QP15, Birch Grove, Welwyn, AL6 0QP
• Sold Feb 2014£332,500 | 3 Bed House11A, Birch Grove, Welwyn, AL6 0QP11A, Birch Grove, Welwyn, AL6 0QP
• Sold Aug 2013£387,500 | 4 Bed House4, Whetstone Close, Welwyn, AL6 0QW4, Whetstone Close, Welwyn, AL6 0QW
• Sold Dec 2012£300,000 | 3 Bed House7, Birch Grove, Welwyn, AL6 0QP7, Birch Grove, Welwyn, AL6 0QP

Of the 9 addresses on Whetstone Close, Welwyn, AL6, 10, Whetstone Close, Welwyn comes out as the 8th largest and the 8th most expensive in our analysis of the public data.

It is also £117k less expensive than the average property across the AL6 district.

• 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

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