Flat 9, Knapp House 20
Flat 9, Knapp House 20
Description & Estimates
According to the public record, Flat 9, Knapp House 20, Grantham is a period apartment with 645 ft2 of internal area.
Apartments of this size in this area normally have 2 bedrooms.
Based on available information, and assuming reasonable condition, the estimated sale value for Flat 9, Knapp House 20, Grantham is £87,060 and the estimated rental value is £508 per month.
The apartment is within Knapp House, Swinegate, Grantham, NG31.
Swinegate, Grantham, NG31 is located in the borough of South Kesteven within the NG31 postal district.
Our Data Sources
Flat 9, 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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If Flat 9, Knapp House 20, Grantham is in very good condition we estimate a sale value of £91,413 and a rental value of £534 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £80,966 and a rental value of £473 per month.
Recent Market Change
Over the past 12 months, the estimated sale value of Flat 9, Knapp House 20, Grantham has moved down by £1,494 (1.7%), while its estimated rental value has increased by £23 per month (4.4%). Based on current estimates, the property offers a gross rental yield of 7.0%.
Energy Efficiency
Flat 9, 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
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to Flat 9, Knapp House 20, Grantham within a radius of 530 metres over the last 2 years.
The most recent example is 1, Watergate, Grantham, NG31 6NS, a leasehold flat which sold for £110,000 on the 27th January 2025.
Read more about house prices in NG31.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Swinegate, Grantham, NG31 has a total of 85 addresses. According to our analysis of all the public data, Flat 9, Knapp House 20, Grantham is the 48th largest and the 61st most expensive property on the street.
When compared to the postcode district it is £123k less expensive than the average property in NG31.
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
The closest station to Flat 9, Knapp House 20, Grantham is Grantham station, which is 900 metres away.
- 900mGrantham
- 10.8kmBottesford
- 10.9kmAncaster
Available Internet Speeds
According to recent data from Ofcom, superfast broadband is available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be very low.
