Our Data Sources
7, Portmarnock Way, Grantham has 31 entries in the Land Registry, most recently in July 2020 and a single entry in the EPC database dated February 2020.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 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 7, Portmarnock Way, Grantham, we estimate a market value of £215,654 and a rental value of £974 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £191,008 and £863 per month respectively.
Plot Size
HM Land Registry records the plot of land for 7, Portmarnock Way, Grantham as measuring 161 m2.
That makes it the 25th largest plot in the postcode, where 27 of the 29 other houses have recorded plot data.
Energy Efficiency
7, Portmarnock Way, Grantham has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 07 Feb 2020.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 7, Portmarnock Way, Grantham completed on 31st July 2020 at £163,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have risen by 3.4% over the period since July 2020.
- Sold Jul 2020£163,000
- Sold Dec 2010£122,500
- Sold Aug 2005£135,995
Similar Properties Sold Nearby
Since 2020 317 properties similar to 7, Portmarnock Way, Grantham have sold within a radius of 700 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 21st November 2025, was 57, Portrush Drive, Grantham, NG31 9GD, a freehold house which sold for £215,000.
Read more about house prices in NG31.
- Sold Nov 2025£215,000 | 3 Bed House57, Portrush Drive, Grantham, NG31 9GD57, Portrush Drive, Grantham, NG31 9GD
- Sold Oct 2025£197,500 | 3 Bed House38, Portmarnock Way, Grantham, NG31 9FL38, Portmarnock Way, Grantham, NG31 9FL
- Sold Sep 2025£200,000 | 3 Bed House22, Woodbrook, Grantham, NG31 9FT22, Woodbrook, Grantham, NG31 9FT
- Sold May 2025£252,000 | 3 Bed House24, Tom Childs Close, Grantham, NG31 9FR24, Tom Childs Close, Grantham, NG31 9FR
- Sold Mar 2025£225,000 | 3 Bed House23, Portmarnock Way, Grantham, NG31 9FL23, Portmarnock Way, Grantham, NG31 9FL
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 £235,199, ranging from £193,981 to £286,206.
- 5 Portmarnock Way
3 Bed House | 7 m | Est. Value: £227,782
- 9 Portmarnock Way
4 Bed House | 18 m | Est. Value: £280,045
- 19 St. Pierre Avenue
3 Bed House | 18 m | Est. Value: £281,759
- 3 Portmarnock Way
3 Bed House | 20 m | Est. Value: £229,550
- 11 Portmarnock Way
3 Bed House | 23 m | Est. Value: £216,922
Location Comparison
Of the 29 addresses on Portmarnock Way, Grantham, NG31, 7, Portmarnock Way, Grantham comes out as the 27th largest and the 27th most expensive in our analysis of the public data.
It is also £10k less expensive than the average property across the NG31 district.
More reading links
Schools Nearby
- Belmont Community Primary School500 m away
- Belton Lane Community Primary School900 m away
- The Harrowby Church of England Primary School1.1 km away
- Kesteven and Grantham Girls' School1.9 km away
- The Priory Ruskin Academy2.0 km away
- The King's School, Grantham2.2 km away
More reading links
Public Transport Nearby
- Grantham|2.8 km away
- Ancaster|8.8 km away
- Rauceby|12.5 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












