Our Data Sources
11, Portmarnock Way, Grantham has 31 entries in the Land Registry, most recently in January 2018 and a single entry in the EPC database dated December 2021.
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
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 11, Portmarnock Way, Grantham is in very good condition we estimate a sale value of £227,768 and a rental value of £1,019 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £201,737 and a rental value of £902 per month.
Energy Efficiency
11, Portmarnock Way, Grantham has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 03 Dec 2021.
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
According to HM Land Registry, 11, Portmarnock Way, Grantham was last sold on 26th January 2018 for £153,500 and was recorded as a freehold house.
The property has had 3 sales since 1995.
Since January 2018, the market for similar properties has risen by 9.9%.
- Sold Jan 2018£153,500
- Sold Nov 2008£125,000
- Sold Aug 2005£127,995
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 265 sales of properties similar to 11, Portmarnock Way, Grantham within a radius of 710 metres since 2020.
The most recent example is 57, Portrush Drive, Grantham, NG31 9GD, a freehold house which sold for £215,000 on the 21st November 2025.
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£218,000 | 3 Bed House14, Blairgowie Close, Grantham, NG31 9FJ14, Blairgowie Close, Grantham, NG31 9FJ
- 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 £239,297, ranging from £193,981 to £286,206.
- 15 Portmarnock Way
3 Bed House | 4 m | Est. Value: £221,206
- 9 Portmarnock Way
4 Bed House | 8 m | Est. Value: £280,045
- 17 Portmarnock Way
3 Bed House | 14 m | Est. Value: £193,981
- 19 Portmarnock Way
3 Bed House | 18 m | Est. Value: £222,261
- 21 Portmarnock Way
3 Bed House | 23 m | Est. Value: £222,961
Location Comparison
Portmarnock Way, Grantham, NG31 has a total of 29 addresses. According to our analysis of all the public data, 11, Portmarnock Way, Grantham is the 23rd largest and the 23rd most expensive property on the street.
When compared to the postcode district it is £2k more expensive than the average property in NG31.
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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
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












