N21 1DY

Onslow Gardens - N21 1DY

Last updated Jul 2026

Key Postcode Insights

N21 1DY is a residential postcode situated on Onslow Gardens, London, N21 with 16 addresses.

It ranks as the 235th largest and 321st most expensive of the 519 postcodes in the N21 area. The most common property type is a early-century house built between 1912 and 1935.

The postcode contains a total of 16 properties: 16 houses.

Ave. Sale Price
£837,741
10 Year change
up 11.2%
Ave. Rental Price
£2,806pcm
10 Year change
up 45.3%
Ave. £ per ft²
£687/ft²
Ave. Gross Yield
4.0%/year/yr
All figures are subject to T&Cs
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Explore Propertiesin N21 1DY

House
12 houses
Group
0 flats

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Sales History

The last sale was on 30th May 2025 for £800,000 and since then the market in the area has increased by 0.3%. The postcode has had a total of 19 sales since 1995.

N21 1DY has seen 2 sales in the last three years and no sales in the last twelve months.

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Nearby Postcodes

N21 1DY is the 235th largest and the 321st most expensive postcode out of the 519 postcodes in the N21 area.

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Property Types

  • 1 mid-century house built between 1936 and 1979
  • 1 house of an unknown age
  • 10 early-century houses built between 1912 and 1935
  • 4 other addresses of unknown type
  • mid-century house (1)
  • house (1)
  • early-century house (10)
  • Unknown (4)
Energy Efficiency

Energy Efficiency

  • Energy Performance Certificate (EPC) surveys conducted for 11 properties.
  • The most common rating is D.
  • A (0)
  • E (1)
  • B (0)
  • F (0)
  • C (1)
  • G (0)
  • D (9)
  • No EPC (5)
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Schools Nearby

Schools Nearby

The nearest primary school to N21 1DY is Grange Park Primary School, which is 500 metres away.
  • Grange Park Primary School
    500 m away
  • Eversley Primary School
    800 m away
  • Merryhills Primary School
    900 m away
The nearest secondary school is Highlands School, which is 600 metres away.
  • Highlands School
    600 m away
  • Enfield Grammar School
    1.6 km away
  • Enfield County School for Girls
    1.6 km away
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearby

The closest station to N21 1DY is Grange Park station, which is 400 metres away.

  • Grange Park
    |
    400 m away
  • Enfield Chase
    |
    1.2 km away
  • Winchmore Hill
    |
    1.2 km away
  • Enfield Town
    |
    1.8 km away
Source: TFL & National Rail
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