Our Data Sources
20, Welwyn Close, Grantham has 51 entries in the Land Registry, most recently in April 2017 and a single entry in the EPC database dated August 2025.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 20, Welwyn Close, Grantham, we estimate a market value of £240,330 and a rental value of £1,124 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £212,863 and £996 per month respectively.
Plot Size
HM Land Registry records the plot of land for 20, Welwyn Close, Grantham as measuring 260 m2.
That makes it the 8th largest plot in the postcode, where 19 of the 24 other houses have recorded plot data.
Energy Efficiency
20, Welwyn Close, Grantham has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Aug 2025.
The property is connected to mains gas and has multiple glazing throughout. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 20, Welwyn Close, Grantham completed on 28th April 2017 at £183,500 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 5 times.
Values of comparable properties have risen by 41.5% over the period since April 2017.
- Sold Apr 2017£183,500
- Sold Feb 2012£88,500
- Sold Nov 2009£85,000
Similar Properties Sold Nearby
Since 2010 135 properties similar to 20, Welwyn Close, Grantham have sold within a radius of 940 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 31st March 2025, was 11, Hunt Lea Avenue, Grantham, NG31 7JJ, a freehold house which sold for £250,000.
Read more about house prices in NG31.
- Sold Mar 2025£250,000 | 4 Bed House11, Hunt Lea Avenue, Grantham, NG31 7JJ11, Hunt Lea Avenue, Grantham, NG31 7JJ
- Sold Sep 2024£215,000 | 3 Bed House183, Denton Avenue, Grantham, NG31 7JQ183, Denton Avenue, Grantham, NG31 7JQ
- Sold Aug 2024£215,000 | 4 Bed House3, Rosemary Crescent, Grantham, NG31 7JS3, Rosemary Crescent, Grantham, NG31 7JS
- Sold May 2024£205,000 | 3 Bed House5, Rosemary Crescent, Grantham, NG31 7JS5, Rosemary Crescent, Grantham, NG31 7JS
- Sold Feb 2024£197,000 | 4 Bed House6, Westside Avenue, Grantham, NG31 7UB6, Westside Avenue, Grantham, NG31 7UB
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £192,925, ranging from £162,758 to £207,179.
- 18 Welwyn Close
3 Bed House | 5 m | Est. Value: £203,104
- 22 Welwyn Close
3 Bed House | 14 m | Est. Value: £189,419
- 5 Welwyn Close
3 Bed House | 32 m | Est. Value: £207,179
- 12 Welwyn Close
3 Bed House | 33 m | Est. Value: £182,888
- 26 Welwyn Close
3 Bed House | 34 m | Est. Value: £162,758
Location Comparison
Of the 24 addresses on Welwyn Close, Grantham, NG31, 20, Welwyn Close, Grantham comes out as the 5th largest and the 4th most expensive in our analysis of the public data.
It is also £14k more expensive than the average property across the NG31 district.
More reading links
Schools Nearby
- West Grantham Church of England Primary Academy800 m away
- The Isaac Newton Primary School1.4 km away
- Huntingtower Community Primary Academy1.4 km away
- Walton Academy300 m away
- West Grantham Church of England Secondary Academy1.1 km away
- The King's School, Grantham2.5 km away
More reading links
Public Transport Nearby
- Grantham|1.6 km away
- Bottesford|10.5 km away
- Ancaster|13.1 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












