489a, Green Lanes, London, N4 1AL
About 489a
489a is an end-of-terrace house in London (N4 1AL). It has a recorded floor area of 51 m² (around 549 sq ft) and construction records dating it to 1900-1929. The latest certificate (July 2021) shows a C (score 71). When first surveyed in April 2009 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average, window efficiency went from Average to Good and lighting went from Average to Very Good.
At 51 m² it's 19% smaller than the typical home in the postcode (63 m² median across 10 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode.
Know exactly what you're buying at 489a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
489a ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Roof insulation improved
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Planning history
489a has no planning applications on record.
Notable planning nearby
31applications of note in the surrounding area
We flagged 2 things worth checking at 489a
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
489a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£407,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in N4 1AL: £475,000 (2022–2004).
Everything we know about 489a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Green Lanes homes
CO₂ Emissions for 489a runs comfortably ahead of the street norm.
EPC Rating
71 (C)
Street avg 57 (D)
Floor Area
51 m²
Street avg 77 m²
CO₂ Emissions
1.9 t/year
Street avg 3.8 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
15/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Mattison Road — bus stop.
Closest school
0.1 km
South Harringay Junior School. 82 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
52.4dB

Night-time· 23:00 – 07:00
43.1dB