29, Portmarnock Way, Grantham occupies a 253 m² plot as recorded by HM Land Registry.

Of the 29 other houses in this postcode, 27 have recorded plot sizes, and this one ranks as the 11th largest.

29, Portmarnock Way, Grantham has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 28 Jul 2011.

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

29, Portmarnock Way, Grantham last changed hands on 27th January 2006, selling for £180,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Jan 2006£180,000

Land Registry records and our Estate Agent network show 182 sales of comparable properties within 750 metres of 29, Portmarnock Way, Grantham since 2017.

Most recently, 9, Carnoustie Close, Grantham, NG31 9FF, a freehold house, sold at £260,000 on the 9th December 2025.

Read more about house prices in NG31.

• Sold Dec 2025£260,000 | 3 Bed House9, Carnoustie Close, Grantham, NG31 9FF9, Carnoustie Close, Grantham, NG31 9FF
• Sold Oct 2025£197,500 | 3 Bed House38, Portmarnock Way, Grantham, NG31 9FL38, Portmarnock Way, Grantham, NG31 9FL
• Sold Sep 2025£218,000 | 3 Bed House14, Blairgowie Close, Grantham, NG31 9FJ14, Blairgowie Close, Grantham, NG31 9FJ
• Sold Mar 2025£225,000 | 3 Bed House23, Portmarnock Way, Grantham, NG31 9FL23, Portmarnock Way, Grantham, NG31 9FL
• Sold Jan 2025£795,000 | 3 Bed House65, Cavendish Way, Grantham, NG31 9FN65, Cavendish Way, Grantham, NG31 9FN
• Sold Dec 2024£236,000 | 3 Bed House3, Portmarnock Way, Grantham, NG31 9FL3, Portmarnock Way, Grantham, NG31 9FL
• Sold Oct 2024£210,000 | 3 Bed House27, Cavendish Way, Grantham, NG31 9FN27, Cavendish Way, Grantham, NG31 9FN
• Sold Oct 2024£235,000 | 3 Bed House6, Woodbrook, Grantham, NG31 9FT6, Woodbrook, Grantham, NG31 9FT
• Sold Sep 2024£260,000 | 3 Bed House10, Hoylake, Grantham, NG31 9FS10, Hoylake, Grantham, NG31 9FS
• Sold Sep 2024£210,000 | 3 Bed House49, Cavendish Way, Grantham, NG31 9FN49, Cavendish Way, Grantham, NG31 9FN
• Sold May 2024£172,500 | 3 Bed House19, Portmarnock Way, Grantham, NG31 9FL19, Portmarnock Way, Grantham, NG31 9FL
• Sold May 2023£200,000 | 3 Bed House47, Portrush Drive, Grantham, NG31 9GD47, Portrush Drive, Grantham, NG31 9GD
• Sold Nov 2022£218,000 | 3 Bed House14, Tom Childs Close, Grantham, NG31 9FR14, Tom Childs Close, Grantham, NG31 9FR
• Sold May 2022£234,000 | 3 Bed House31, Woodbrook, Grantham, NG31 9FT31, Woodbrook, Grantham, NG31 9FT
• Sold Dec 2021£235,000 | 3 Bed House35, Tom Childs Close, Grantham, NG31 9FR35, Tom Childs Close, Grantham, NG31 9FR
• Sold Jul 2020£200,000 | 3 Bed House22, St. Mellion Drive, Grantham, NG31 9FB22, St. Mellion Drive, Grantham, NG31 9FB
• Sold Jun 2020£172,000 | 3 Bed House3, Blairgowie Close, Grantham, NG31 9FJ3, Blairgowie Close, Grantham, NG31 9FJ
• Sold Nov 2019£235,000 | 3 Bed House51, Cavendish Way, Grantham, NG31 9FN51, Cavendish Way, Grantham, NG31 9FN
• Sold Sep 2019£195,000 | 3 Bed House9, Blairgowie Close, Grantham, NG31 9FJ9, Blairgowie Close, Grantham, NG31 9FJ
• Sold Dec 2017£195,000 | 3 Bed House11, Cavendish Way, Grantham, NG31 9FN11, Cavendish Way, Grantham, NG31 9FN

Our analysis of the public data ranks 29, Portmarnock Way, Grantham as the 17th largest and the 16th most expensive of the 29 addresses on Portmarnock Way, Grantham, NG31.

Against the NG31 postcode district average, it is £18k more expensive than the typical property.

• Belmont Community Primary School

  500 m away
• Belton Lane Community Primary School

  900 m away
• The Harrowby Church of England Primary School

  1.1 km away

• Kesteven and Grantham Girls' School

  1.9 km away
• The Priory Ruskin Academy

  2.0 km away
• The King's School, Grantham

  2.2 km away

• Grantham

  |

  2.8 km away
• Ancaster

  |

  8.8 km away
• Rauceby

  |

  12.5 km away

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