Our Data Sources
18, St. Mary's Grove has a single entry in the Land Registry from December 2017 and a single entry in the EPC database dated March 2017.
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.
Price Range & Condition
In very good condition, we estimate 18, St. Mary's Grove would be worth £1,617,841, with a potential rental value of £7,139 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,432,945, with a rental value of £6,324 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, St. Mary's Grove occupies a 130 m2 plot as recorded by HM Land Registry.
All 27 other houses in this postcode have recorded plot sizes, and this one ranks as the 24th largest.
Energy Efficiency
18, St. Mary's Grove has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Mar 2017.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
18, St. Mary's Grove last changed hands on 8th December 2017, selling for £1,208,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has dropped by 14.5% since December 2017.
- Sold Dec 2017£1,208,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 33 sales of comparable properties within 340 metres of 18, St. Mary's Grove across the last 2 years.
Most recently, 33, St. Mary's Grove, London, N1 2NT, a freehold house, sold at £1,900,000 on the 18th December 2025.
Read more about house prices in N1.
- Sold Dec 2025£1,900,000 | 3 Bed House33, St. Mary's Grove, London, N1 2NT33, St. Mary's Grove, London, N1 2NT
- Sold Nov 2023£1,325,000 | 3 Bed House32, St. Mary's Grove, London, N1 2NT32, St. Mary's Grove, London, N1 2NT
- Sold Sep 2022£1,550,000 | 3 Bed House23, St. Mary's Grove, London, N1 2NT23, St. Mary's Grove, London, N1 2NT
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Properties Let Nearby
Agents in our network have reported 2 lettings within 340 metres of 18, St. Mary's Grove across the last 2 years.
The newest of these is Flat 5, 14, Highbury New Park, London, N5 2DB, a leasehold flat let by Fine Living in October 2025.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Location Comparison
Our analysis of the public data ranks 18, St. Mary's Grove as the 7th largest and the 7th most expensive of the 31 addresses on St. Mary's Grove, London, N1.
Against the N1 postcode district average, it is £792k more expensive than the typical property.
More reading links
Schools Nearby
- Canonbury Primary School200 m away
- William Tyndale Primary School400 m away
- Laycock Primary School500 m away
- City of London Academy Highbury Grove500 m away
- Highbury Fields School900 m away
- City of London Academy Islington1.0 km away
More reading links
Public Transport Nearby
- Highbury & Islington|300 m away
- Essex Road|500 m away
- Canonbury|500 m away
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.












