Our Data Sources
Flat 1, 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 1, Knapp House 20, Grantham would be worth £92,639, with a potential rental value of £538 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £82,052, with a rental value of £476 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 1, 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 3 sales of comparable properties within 530 metres of Flat 1, Knapp House 20, Grantham across the last 2 years.
Most recently, 6, High Street, Grantham, NG31 6PN, a leasehold flat, sold at £210,000 on the 2nd April 2024.
Read more about house prices in NG31.
- Sold Apr 2024£210,000 | 2 Bed Flat6, High Street, Grantham, NG31 6PN6, High Street, Grantham, NG31 6PN
- Sold Dec 2023£474,279 | 2 Bed Flat10, High Street, Grantham, NG31 6PN10, High Street, Grantham, NG31 6PN
- Sold Mar 2017£108,000 | 2 Bed Flat7A, North Street, Grantham, NG31 6NU7A, North Street, Grantham, NG31 6NU
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks Flat 1, Knapp House 20, Grantham as the 44th largest and the 56th most expensive of the 85 addresses on Swinegate, Grantham, NG31.
Against the NG31 postcode district average, it is £122k less expensive than the typical property.
More reading links
Schools Nearby
- 100mSt Wulfram's National Church of England Primary School
- 700mThe Little Gonerby Church of England Primary Academy, Grantham
- 900mSaint Mary's Catholic Voluntary Academy
- 200mThe King's School, Grantham
- 600mKesteven and Grantham Girls' School
- 1.0kmThe Priory Ruskin Academy
More reading links
Public Transport Nearby
- 900mGrantham
- 10.8kmBottesford
- 10.9kmAncaster
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.
