Middle Floor Flat, 15 Highbury Hill, London, N5 1SU
About Middle Floor Flat
Middle Floor Flat is an end-of-terrace house in London (N5 1SU). It has a recorded floor area of 48 m² (around 517 sq ft) and construction records dating it to before 1900. The latest certificate (December 2024) shows a C (score 72). When first surveyed in November 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Good and lighting went from Very Poor to Good; while wall efficiency dropped from Average to Very Poor.
It changed hands recently, sold February 2025 for £400,000. At 48 m² it sits well below the postcode median (80 m² across 69 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs). Today's modelled estimate of £476,000 is 19% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£774/sq ft) was about 105.2% above the typical sold price in the postcode.
Know exactly what you're buying at Middle Floor Flat
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Heating controls changed
Hot water efficiency decreased
Single glazing replaced with double or better glazing
More low energy lighting installed
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Low energy lighting percentage decreased
More low energy lighting installed
More low energy lighting installed
Single glazing replaced with double or better glazing
Low energy lighting percentage decreased
Planning history
Middle Floor Flat has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Middle Floor Flat valuation sits well clear of the typical sold price in this postcode.
£476,000
Modelled from EPC, postcode comparables.
£400,000
Recorded with HM Land Registry.
Sales timeline
13 February 2025Most recent
£400,000
Median price across the last 5 sales in N5 1SU: £5,700,000 (2025–2023).
Nearby sales in N5 1SU
Flat 2, 9 Highbury Hill, Islington, London, N5 1SU
Sold Sept 2025
£680,00021 Highbury Hill, Islington, London, N5 1SU
Sold Mar 2025
£6,675,00017 Highbury Hill, Islington, London, N5 1SU
Sold Nov 2023
£5,700,00027 Highbury Hill, Islington, London, N5 1SU
Sold Oct 2023
£6,000,000Flat 6, 9 Highbury Hill, London, N5 1SU
Sold Mar 2023
£1,395,000
Everything we know about Middle Floor Flat, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Highbury Hill homes
On years held, Middle Floor Flat runs well behind the street norm.
Price per m²
£8,333
Street avg £7,801
Floor Area
48 m²
Street avg 72 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.6 t/year
Street avg 3.3 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Highbury Barn — bus stop.
Closest school
0.1 km
Highbury Fields School. 92 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
51.8dB

Night-time· 23:00 – 07:00
41.8dB