Our Data Sources
21, Castlegate, Grantham has 21 entries in the Land Registry , most recently in May 2022 and a single entry in the EPC database dated May 2018.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 21, Castlegate, Grantham, we estimate a market value of £174,041 and a rental value of £904 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £154,151 and £801 per month respectively.
Energy Efficiency
21, Castlegate, Grantham has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 24 May 2018.
The property is connected to mains gas and has mostly multiple glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 21, Castlegate, Grantham completed on 31st May 2022 at £158,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 16.3% over the period since May 2022.
- Sold May 2022£158,000
- Sold Aug 2002£92,500
Similar Properties Sold Nearby
Over the past 2 years 65 properties similar to 21, Castlegate, Grantham have sold within a radius of 500 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th July 2025, was 22, Castlegate, Grantham, NG31 6SW, a freehold house which sold for £170,000.
Read more about house prices in NG31.
- Sold Jul 2025£170,000 | 3 Bed House22, Castlegate, Grantham, NG31 6SW22, Castlegate, Grantham, NG31 6SW
- Sold Feb 2025£490,000 | 3 Bed HouseGranta Hall 6, Finkin Street, Grantham, NG31 6QZGranta Hall 6, Finkin Street, Grantham, NG31 6QZ
- Sold May 2023£166,000 | 3 Bed House28, Redcross Street, Grantham, NG31 8BT28, Redcross Street, Grantham, NG31 8BT
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 85 addresses on Castlegate, Grantham, NG31, 21, Castlegate, Grantham comes out as the 30th largest and the 30th most expensive in our analysis of the public data.
It is also £49k less expensive than the average property across the NG31 district.
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Schools Nearby
- St Wulfram's National Church of England Primary School100 m away
- The Little Gonerby Church of England Primary Academy, Grantham600 m away
- Saint Mary's Catholic Voluntary Academy700 m away
- The King's School, Grantham300 m away
- Kesteven and Grantham Girls' School400 m away
- The Priory Ruskin Academy1.2 km away
More reading links
Public Transport Nearby
- Grantham|800 m away
- Ancaster|10.9 km away
- Bottesford|11.0 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
