Top Floor, 12 Portland Gardens, London, N4 1HU
About Top Floor
Top Floor is a mid-terrace house in London (N4 1HU). It has a recorded floor area of 32 m² (around 344 sq ft) and construction records dating it to 1930-1949. The latest certificate (July 2018) shows a C (score 69), just inside the C band. When first surveyed in June 2016 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Average to Very Good.
At 32 m² it sits well below the postcode median (105 m² across 10 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 70% of similar EPCs).
Know exactly what you're buying at Top Floor
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
Top Floor's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
Top Floor has no planning applications on record.
Notable planning nearby
31applications of note in the surrounding area
We flagged 2 things worth checking at Top Floor
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
Top Floor has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£307,000
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 1HU: £650,000 (2022–2010).
Nearby sales in N4 1HU
7 Portland Gardens, Haringey, London, N4 1HU
Sold Sept 2022
£880,0005 Portland Gardens, Haringey, London, N4 1HU
Sold Jun 2016
£765,00016 Portland Gardens, Haringey, London, N4 1HU
Sold Feb 2016
£650,00010 Portland Gardens, Haringey, London, N4 1HU
Sold Dec 2010
£341,0001 Portland Gardens, Haringey, London, N4 1HU
Sold Dec 2004
£300,000
Everything we know about Top Floor, 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 Portland Gardens homes
EPC Rating for Top Floor runs comfortably ahead of the street norm.
EPC Rating
69 (C)
Street avg 63 (D)
Floor Area
32 m²
Street avg 67 m²
CO₂ Emissions
1.5 t/year
Street avg 3.2 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
0.1 km
Harringay Green Lanes Station — bus stop.
Closest school
0.4 km
South Harringay Junior School. 86 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
53.6dB

Night-time· 23:00 – 07:00
44.4dB