Our Data Sources
23, Onslow Gardens has a single entry in the Land Registry from March 2024 and a single entry in the EPC database dated April 2023.
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.
Price Range & Condition
In very good condition, we estimate 23, Onslow Gardens would be worth £927,951, with a potential rental value of £3,079 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £821,899, with a rental value of £2,727 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
23, Onslow Gardens occupies a 458 m2 plot as recorded by HM Land Registry.
All 16 other houses in this postcode have recorded plot sizes, and this one ranks as the 12th largest.
Energy Efficiency
23, Onslow Gardens has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Apr 2023.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
23, Onslow Gardens last changed hands on 26th March 2024, selling for £867,000. 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 9.1% since March 2024.
- Sold Mar 2024£867,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 113 sales of comparable properties within 710 metres of 23, Onslow Gardens across the last 2 years.
Most recently, 30, Langham Gardens, London, N21 1DJ, a freehold house, sold at £850,000 on the 31st July 2025.
Read more about house prices in N21.
- Sold Jul 2025£850,000 | 4 Bed House30, Langham Gardens, London, N21 1DJ30, Langham Gardens, London, N21 1DJ
- Sold Sep 2024£730,000 | 4 Bed House22, Onslow Gardens, London, N21 1DX22, Onslow Gardens, London, N21 1DX
- Sold Feb 2022£1,050,000 | 4 Bed House18, Onslow Gardens, London, N21 1DX18, Onslow Gardens, London, N21 1DX
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 23, Onslow Gardens as the 13th largest and the 16th most expensive of the 42 addresses on Onslow Gardens, London, N21.
Against the N21 postcode district average, it is £153k more expensive than the typical property.
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Schools Nearby
- Grange Park Primary School500 m away
- Eversley Primary School800 m away
- Merryhills Primary School900 m away
- Highlands School600 m away
- Enfield Grammar School1.6 km away
- Enfield County School for Girls1.6 km away
More reading links
Public Transport Nearby
- Grange Park|400 m away
- Enfield Chase|1.2 km away
- Winchmore Hill|1.2 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












