First Floor Flat, 27 Birnam Road, London, N4 3LJ
About First Floor Flat
First Floor Flat is a mid-terrace house in London (N4 3LJ). It has a recorded floor area of 44 m² (around 474 sq ft) and construction records dating it to 1900-1929. The latest certificate (September 2021) shows a C (score 73). When first surveyed in December 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good.
At 44 m² it sits well below the postcode median (63 m² across 59 EPCs), making it one of the more compact homes locally. Across 2005–2024, sale prices on this property compounded at 6.7% per year. On a £-per-square-foot basis, the last sale (£1,372/sq ft) was about 237.5% above the typical sold price in the postcode. Most recent transfer: May 2024 at £650,000.
Know exactly what you're buying at First 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
Heating controls upgraded for better temperature management
Wall insulation improved
Single glazing replaced with double or better glazing
Low energy lighting percentage decreased
Changed to a more efficient fuel source
Heating controls changed
External or internal wall insulation added
More low energy lighting installed
Planning history
First Floor Flat has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
Sales history & valuation
First Floor Flat has more than tripled in price since its earliest registered sale in 2005.
£643,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.7% per year over 19 years.
£650,000
Growth on file: 6.7% per year over 19 years.
Sales timeline
16 May 2024Most recent
£650,000
+233.3%over 18 years23 October 2005
£195,000
Median price across the last 5 sales in N4 3LJ: £650,000 (2024–2022).
Nearby sales in N4 3LJ
Basement & Ground Floor Flat, 23 Birnam Road, London, N4 3LJ
Sold Oct 2024
£650,000Flat A, 21 Birnam Road, London, N4 3LJ
Sold May 2024
£580,00059 Birnam Road, Islington, London, N4 3LJ
Sold Aug 2023
£785,0003 Birnam Road, Islington, London, N4 3LJ
Sold Dec 2022
£950,000Flat C, 61 Birnam Road, Islington, London, N4 3LJ
Sold Nov 2022
£590,000
Everything we know about First 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 Birnam Road homes
First Floor Flat is notably below the street on years held.
Price per m²
£14,773
Street avg £6,787
Floor Area
44 m²
Street avg 66 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.6 t/year
Street avg 2.9 t/year
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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
0.2 km
Tollington Park Holloway — bus stop.
Closest school
0.2 km
Christ The King Catholic Primary School. 83 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
55.5dB

Night-time· 23:00 – 07:00
45.2dB