18, Welwyn Close, Grantham occupies a 254 m² plot as recorded by HM Land Registry.

Of the 24 other houses in this postcode, 19 have recorded plot sizes, and this one ranks as the 9th largest.

18, Welwyn Close, Grantham has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Sep 2014.

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

18, Welwyn Close, Grantham last changed hands on 24th May 2019, selling for £180,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 4 times since 1995.

The market for similar properties has risen by 13.6% since May 2019.

• Sold May 2019£180,000
• Sold Dec 2014£135,000
• Sold Oct 2003£94,000

Land Registry records and our Estate Agent network show 105 sales of comparable properties within 950 metres of 18, Welwyn Close, Grantham since 2007.

Most recently, 23, Buckminster Gardens, Grantham, NG31 7SJ, a freehold house, sold at £240,000 on the 27th March 2026.

Read more about house prices in NG31.

• Sold Mar 2026£240,000 | 3 Bed House23, Buckminster Gardens, Grantham, NG31 7SJ23, Buckminster Gardens, Grantham, NG31 7SJ
• Sold Dec 2025£220,000 | 3 Bed House96, Denton Avenue, Grantham, NG31 7JH96, Denton Avenue, Grantham, NG31 7JH
• Sold Nov 2025£215,000 | 3 Bed House34, Rosemary Crescent, Grantham, NG31 7JS34, Rosemary Crescent, Grantham, NG31 7JS
• Sold May 2025£200,000 | 3 Bed House13, Welwyn Close, Grantham, NG31 7JU13, Welwyn Close, Grantham, NG31 7JU
• Sold Sep 2024£215,000 | 3 Bed House183, Denton Avenue, Grantham, NG31 7JQ183, Denton Avenue, Grantham, NG31 7JQ
• Sold May 2024£205,000 | 3 Bed House5, Rosemary Crescent, Grantham, NG31 7JS5, Rosemary Crescent, Grantham, NG31 7JS
• Sold Jun 2023£245,000 | 3 Bed House26, Westside Avenue, Grantham, NG31 7UB26, Westside Avenue, Grantham, NG31 7UB
• Sold Nov 2022£175,000 | 3 Bed House17, Westside Avenue, Grantham, NG31 7UB17, Westside Avenue, Grantham, NG31 7UB
• Sold Sep 2021£210,000 | 3 Bed House31, Rosemary Crescent, Grantham, NG31 7JS31, Rosemary Crescent, Grantham, NG31 7JS
• Sold Jul 2018£195,000 | 3 Bed House28, Westside Avenue, Grantham, NG31 7UB28, Westside Avenue, Grantham, NG31 7UB
• Sold Sep 2017£165,000 | 3 Bed House24, Westside Avenue, Grantham, NG31 7UB24, Westside Avenue, Grantham, NG31 7UB
• Sold Sep 2016£123,000 | 3 Bed House44, Rosemary Crescent, Grantham, NG31 7JS44, Rosemary Crescent, Grantham, NG31 7JS
• Sold Mar 2016£140,000 | 3 Bed House8, Rosemary Crescent, Grantham, NG31 7JS8, Rosemary Crescent, Grantham, NG31 7JS
• Sold Feb 2015£146,000 | 3 Bed House26, Rosemary Crescent, Grantham, NG31 7JS26, Rosemary Crescent, Grantham, NG31 7JS
• Sold Dec 2014£138,000 | 3 Bed House4, Rosemary Crescent, Grantham, NG31 7JS4, Rosemary Crescent, Grantham, NG31 7JS
• Sold Oct 2014£110,500 | 3 Bed House22, Welwyn Close, Grantham, NG31 7JU22, Welwyn Close, Grantham, NG31 7JU
• Sold Aug 2014£165,000 | 3 Bed House30, Rosemary Crescent, Grantham, NG31 7JS30, Rosemary Crescent, Grantham, NG31 7JS
• Sold Sep 2012£115,000 | 3 Bed House19, Westside Avenue, Grantham, NG31 7UB19, Westside Avenue, Grantham, NG31 7UB
• Sold Jun 2010£101,000 | 3 Bed House38, Rosemary Crescent, Grantham, NG31 7JS38, Rosemary Crescent, Grantham, NG31 7JS
• Sold Dec 2007£133,750 | 3 Bed House5, Welwyn Close, Grantham, NG31 7JU5, Welwyn Close, Grantham, NG31 7JU

Our analysis of the public data ranks 18, Welwyn Close, Grantham as the 10th largest and the 10th most expensive of the 24 addresses on Welwyn Close, Grantham, NG31.

Against the NG31 postcode district average, it is £12k less expensive than the typical property.

• West Grantham Church of England Primary Academy

  800 m away
• The Isaac Newton Primary School

  1.4 km away
• Huntingtower Community Primary Academy

  1.4 km away

• Walton Academy

  300 m away
• West Grantham Church of England Secondary Academy

  1.1 km away
• The King's School, Grantham

  2.5 km away

• Grantham

  |

  1.6 km away
• Bottesford

  |

  10.5 km away
• Ancaster

  |

  13.1 km away

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