Our Data Sources
Flat 15, 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
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 Flat 15, Knapp House 20, Grantham, we estimate a market value of £77,396 and a rental value of £482 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £68,551 and £427 per month respectively.
Energy Efficiency
Flat 15, Knapp House 20, Grantham has an Energy Performance Rating (EPC) of B. 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
Over the past 2 years 6 properties similar to Flat 15, Knapp House 20, Grantham have sold within a radius of 530 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 16th June 2021, was 55, Castlegate, Grantham, NG31 6SN, a leasehold flat which sold for £730,000.
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
Of the 85 addresses on Swinegate, Grantham, NG31, Flat 15, Knapp House 20, Grantham comes out as the 71st largest and the 71st most expensive in our analysis of the public data.
It is also £141k 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, 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
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.
