Our Data Sources
18, Seaforth Gardens has 31 entries in the Land Registry , most recently in July 2016 and a single entry in the EPC database dated December 2014.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
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 18, Seaforth Gardens, we estimate a market value of £2,089,895 and a rental value of £5,381 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £1,851,050 and £4,766 per month respectively.
Plot Size
HM Land Registry records the plot of land for 18, Seaforth Gardens as measuring 915 m2.
That makes it the 3rd largest plot in the postcode, where all 16 other houses have recorded plot data.
Energy Efficiency
18, Seaforth Gardens has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 Dec 2014.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 18, Seaforth Gardens completed on 21st July 2016 at £1,700,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have dropped by 22.7% over the period since July 2016.
- Sold Jul 2016£1,700,000
- Sold Jul 2003£1,220,000
- Sold Nov 2001£815,000
Similar Properties Sold Nearby
Over the past 2 years 10 properties similar to 18, Seaforth Gardens have sold within a radius of 660 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 9th January 2026, was 20, Seaforth Gardens, London, N21 3BS, a freehold house which sold for £2,100,000.
Read more about house prices in N21.
- Sold Jan 2026£2,100,000 | 6 Bed House20, Seaforth Gardens, London, N21 3BS20, Seaforth Gardens, London, N21 3BS
- Sold Dec 2025£1,750,000 | 6 Bed House2, Woodcroft, London, N21 3QP2, Woodcroft, London, N21 3QP
- Sold Feb 2025£2,500,000 | 6 Bed House45, Broad Walk, London, N21 3BL45, Broad Walk, London, N21 3BL
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 30 addresses on Seaforth Gardens, London, N21, 18, Seaforth Gardens comes out as the 7th largest and the 15th most expensive in our analysis of the public data.
It is also £1.259m more expensive than the average property across the N21 district.
More reading links
Schools Nearby
- St Paul's CofE Primary School600 m away
- Eversley Primary School1.1 km away
- Highfield Primary School1.1 km away
- Winchmore School1.3 km away
- Highlands School1.6 km away
- Ashmole Academy1.8 km away
More reading links
Public Transport Nearby
- Winchmore Hill|500 m away
- Grange Park|1.2 km away
- Southgate|1.4 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
