Our Data Sources
Flat 12, Knapp House 20, Grantham has no records in the the Land Registry and a single entry in the EPC database dated September 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate Flat 12, Knapp House 20, Grantham would be worth £77,396, with a potential rental value of £482 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £68,551, with a rental value of £427 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 12, Knapp House 20, Grantham has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 05 Sep 2025.
The property is not connected to mains gas and has high performance glazing. It is heated using Room heaters, electric.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 6 sales of comparable properties within 530 metres of Flat 12, Knapp House 20, Grantham across the last 2 years.
Most recently, 55, Castlegate, Grantham, NG31 6SN, a leasehold flat, sold at £730,000 on the 16th June 2021.
Read more about house prices in NG31.
- Sold Jun 2021£730,000 | 2 Bed Flat55, Castlegate, Grantham, NG31 6SN55, Castlegate, Grantham, NG31 6SN
- Sold Mar 2021£55,000 | 2 Bed Flat41B, George Street, Grantham, NG31 6QL41B, George Street, Grantham, NG31 6QL
- Sold Mar 2017£64,950 | 2 Bed Flat45, Swinegate, Grantham, NG31 6RL45, Swinegate, Grantham, NG31 6RL
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks Flat 12, Knapp House 20, Grantham as the 70th largest and the 70th most expensive of the 85 addresses on Swinegate, Grantham, NG31.
Against the NG31 postcode district average, it is £141k less expensive than the typical property.
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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, Grantham700 m away
- Saint Mary's Catholic Voluntary Academy900 m away
- The King's School, Grantham200 m away
- Kesteven and Grantham Girls' School600 m away
- The Priory Ruskin Academy1.0 km away
More reading links
Public Transport Nearby
- Grantham|900 m away
- Bottesford|10.8 km away
- Ancaster|10.9 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
