18, New Street, Grantham has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Jun 2015.

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 18, New Street, Grantham completed on 11th August 2017 at £74,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 9.7% over the period since August 2017.

• Sold Aug 2017£74,000
• Sold Nov 1997£25,250

Since 2016 24 properties similar to 18, New Street, Grantham have sold within a radius of 610 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 9th January 2026, was 39, Premier Court, Grantham, NG31 8FD, a leasehold flat which sold for £91,000.

Read more about house prices in NG31.

• Sold Jan 2026£91,000 | 2 Bed Flat39, Premier Court, Grantham, NG31 8FD39, Premier Court, Grantham, NG31 8FD
• Sold Aug 2025£92,000 | 2 Bed Flat8, Premier Court, Grantham, NG31 8FD8, Premier Court, Grantham, NG31 8FD
• Sold Jul 2025£95,000 | 2 Bed FlatFlat 10, Kesteven Court, New Street, Grantham, NG31 8FPFlat 10, Kesteven Court, New Street, Grantham, NG31 8FP
• Sold Jan 2025£110,000 | 2 Bed Flat1, Watergate, Grantham, NG31 6NS1, Watergate, Grantham, NG31 6NS
• Sold May 2024£85,000 | 2 Bed Flat20A, Brook Street, Grantham, NG31 6PS20A, Brook Street, Grantham, NG31 6PS
• Sold Apr 2024£210,000 | 2 Bed Flat6, High Street, Grantham, NG31 6PN6, High Street, Grantham, NG31 6PN
• Sold Jan 2024£175,000 | 2 Bed Flat18, Watergate, Grantham, NG31 6PR18, Watergate, Grantham, NG31 6PR
• Sold Dec 2023£474,279 | 2 Bed Flat10, High Street, Grantham, NG31 6PN10, High Street, Grantham, NG31 6PN
• Sold Mar 2023£87,000 | 2 Bed FlatFlat 7, Kesteven Court, New Street, Grantham, NG31 8FPFlat 7, Kesteven Court, New Street, Grantham, NG31 8FP
• Sold Nov 2022£119,950 | 2 Bed Flat43, Premier Court, Grantham, NG31 8FD43, Premier Court, Grantham, NG31 8FD
• Sold Oct 2022£100,000 | 2 Bed FlatFlat 8, Kesteven Court, New Street, Grantham, NG31 8FPFlat 8, Kesteven Court, New Street, Grantham, NG31 8FP
• Sold Mar 2022£85,000 | 2 Bed FlatFlat 1, Kesteven Court, New Street, Grantham, NG31 8FPFlat 1, Kesteven Court, New Street, Grantham, NG31 8FP
• Sold Feb 2022£625,000 | 2 Bed Flat17A, Market Place, Grantham, NG31 6LP17A, Market Place, Grantham, NG31 6LP
• Sold Jan 2022£97,000 | 2 Bed Flat4A, Gladstone Terrace, Grantham, NG31 8BW4A, Gladstone Terrace, Grantham, NG31 8BW
• Sold Jan 2021£110,000 | 2 Bed Flat10, Premier Court, Grantham, NG31 8FD10, Premier Court, Grantham, NG31 8FD
• Sold May 2018£70,000 | 2 Bed Flat57, New Street, Grantham, NG31 8BA57, New Street, Grantham, NG31 8BA
• Sold Apr 2018£265,000 | 2 Bed Flat11, High Street, Grantham, NG31 6PN11, High Street, Grantham, NG31 6PN
• Sold Dec 2017£98,000 | 2 Bed Flat15, Premier Court, Grantham, NG31 8FD15, Premier Court, Grantham, NG31 8FD
• Sold Jan 2017£64,000 | 2 Bed Flat17, Premier Court, Grantham, NG31 8FD17, Premier Court, Grantham, NG31 8FD
• Sold Jul 2016£77,000 | 2 Bed Flat18A, New Street, Grantham, NG31 8BB18A, New Street, Grantham, NG31 8BB

Of the 103 addresses on New Street, Grantham, NG31, 18, New Street, Grantham comes out as the 86th largest and the 75th most expensive in our analysis of the public data.

It is also £121k less expensive than the average property across the NG31 district.

• St Wulfram's National Church of England Primary School

  400 m away
• Cliffedale Primary School

  700 m away
• The Little Gonerby Church of England Primary Academy, Grantham

  700 m away

• The King's School, Grantham

  300 m away
• The Priory Ruskin Academy

  700 m away
• Kesteven and Grantham Girls' School

  900 m away

• Grantham

  |

  1.2 km away
• Bottesford

  |

  10.6 km away
• Ancaster

  |

  10.7 km away

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