HM Land Registry records the plot of land for 19, Portmarnock Way, Grantham as measuring 148 m².

That makes it the 27th largest plot in the postcode, where 27 of the 29 other houses have recorded plot data.

19, Portmarnock Way, Grantham has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 10 Sep 2019.

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 19, Portmarnock Way, Grantham completed on 3rd May 2024 at £172,500 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 5 times.

Values of comparable properties have dropped by 13.9% over the period since May 2024.

• Sold May 2024£172,500
• Sold Sep 2020£165,000
• Sold Jun 2015£141,500

Since 2019 240 properties similar to 19, Portmarnock Way, Grantham have sold within a radius of 730 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 21st November 2025, was 57, Portrush Drive, Grantham, NG31 9GD, a freehold house which sold for £215,000.

Read more about house prices in NG31.

• Sold Nov 2025£215,000 | 3 Bed House57, Portrush Drive, Grantham, NG31 9GD57, Portrush Drive, Grantham, NG31 9GD
• 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 May 2025£252,000 | 3 Bed House24, Tom Childs Close, Grantham, NG31 9FR24, Tom Childs Close, Grantham, NG31 9FR
• 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£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 Aug 2024£186,000 | 3 Bed House18, Woodbrook, Grantham, NG31 9FT18, Woodbrook, Grantham, NG31 9FT
• 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 Dec 2021£240,000 | 3 Bed House4, Woodbrook, Grantham, NG31 9FT4, Woodbrook, Grantham, NG31 9FT
• Sold Jul 2020£165,000 | 3 Bed House29, Tom Childs Close, Grantham, NG31 9FR29, Tom Childs Close, Grantham, NG31 9FR
• 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

Of the 29 addresses on Portmarnock Way, Grantham, NG31, 19, Portmarnock Way, Grantham comes out as the 19th largest and the 21st most expensive in our analysis of the public data.

It is also £7k more expensive than the average property across the NG31 district.

• 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

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