42, Portmarnock Way, Grantham occupies a 401 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 2nd largest.

42, Portmarnock Way, Grantham has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 04 Jan 2012.

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

42, Portmarnock Way, Grantham last changed hands on 9th March 2012, selling for £179,950. 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 41.9% since March 2012.

Land Registry records and our Estate Agent network show 144 sales of comparable properties within 700 metres of 42, Portmarnock Way, Grantham since 2021.

Most recently, 84, Sunningdale, Grantham, NG31 9SB, a freehold house, sold at £278,000 on the 16th December 2025.

Read more about house prices in NG31.

• Sold Dec 2025£278,000 | 4 Bed House84, Sunningdale, Grantham, NG31 9SB84, Sunningdale, Grantham, NG31 9SB
• Sold Sep 2025£218,000 | 3 Bed House14, Blairgowie Close, Grantham, NG31 9FJ14, Blairgowie Close, Grantham, NG31 9FJ
• Sold Aug 2025£252,000 | 3 Bed House11, St. Georges Way, Grantham, NG31 9GJ11, St. Georges Way, Grantham, NG31 9GJ
• Sold Feb 2025£295,000 | 4 Bed House16, Portmarnock Way, Grantham, NG31 9FL16, Portmarnock Way, Grantham, NG31 9FL
• Sold Dec 2024£236,000 | 3 Bed House3, Portmarnock Way, Grantham, NG31 9FL3, Portmarnock Way, Grantham, NG31 9FL
• Sold Sep 2024£260,000 | 3 Bed House10, Hoylake, Grantham, NG31 9FS10, Hoylake, Grantham, NG31 9FS
• Sold Sep 2024£217,000 | 4 Bed House5, Tom Childs Close, Grantham, NG31 9FR5, Tom Childs Close, Grantham, NG31 9FR
• Sold Aug 2024£270,000 | 4 Bed House27, Portmarnock Way, Grantham, NG31 9FL27, Portmarnock Way, Grantham, NG31 9FL
• Sold May 2024£172,500 | 3 Bed House19, Portmarnock Way, Grantham, NG31 9FL19, Portmarnock Way, Grantham, NG31 9FL
• Sold Mar 2024£285,000 | 3 Bed House12, Hoylake, Grantham, NG31 9FS12, Hoylake, Grantham, NG31 9FS
• Sold Dec 2023£245,000 | 3 Bed House78, Sunningdale, Grantham, NG31 9SB78, Sunningdale, Grantham, NG31 9SB
• Sold Sep 2023£250,000 | 3 Bed House74, Sunningdale, Grantham, NG31 9SB74, Sunningdale, Grantham, NG31 9SB
• Sold Aug 2023£267,000 | 3 Bed House24, Portrush Drive, Grantham, NG31 9GD24, Portrush Drive, Grantham, NG31 9GD
• Sold Mar 2023£257,000 | 3 Bed House19, St. Pierre Avenue, Grantham, NG31 9FH19, St. Pierre Avenue, Grantham, NG31 9FH
• Sold Nov 2022£218,000 | 3 Bed House14, Tom Childs Close, Grantham, NG31 9FR14, Tom Childs Close, Grantham, NG31 9FR
• Sold Nov 2022£259,000 | 4 Bed House17, Tom Childs Close, Grantham, NG31 9FR17, Tom Childs Close, Grantham, NG31 9FR
• Sold Oct 2022£290,000 | 3 Bed House6, St. Pierre Avenue, Grantham, NG31 9FH6, St. Pierre Avenue, Grantham, NG31 9FH
• Sold Feb 2022£235,000 | 3 Bed House19, Cavendish Way, Grantham, NG31 9FN19, Cavendish Way, Grantham, NG31 9FN
• Sold Jun 2021£269,950 | 3 Bed House10, St. Pierre Avenue, Grantham, NG31 9FH10, St. Pierre Avenue, Grantham, NG31 9FH
• Sold Mar 2021£190,000 | 4 Bed House19, Tom Childs Close, Grantham, NG31 9FR19, Tom Childs Close, Grantham, NG31 9FR

Our analysis of the public data ranks 42, Portmarnock Way, Grantham as the 15th largest and the 15th most expensive of the 29 addresses on Portmarnock Way, Grantham, NG31.

Against the NG31 postcode district average, it is £33k 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.