Flat 1, 4 Blythwood Road, London, N4 4EU
About Flat 1
Flat 1 is a mid-terrace house in London (N4 4EU). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (January 2025) shows an E (score 39), well below the UK norm with real room to improve. Earlier certificates rated it C (April 2010); the latest reading is 2 bands lower. Between certificates, window efficiency dropped from Average to Very Poor and hot-water efficiency dropped from Very Good to Average. The recommended improvements would lift it to B (score 83), a 3-band jump. Main heating runs on electricity.
At 104 m² the property is well over the postcode median (74 m² across 39 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs). Across 2014–2022, sale prices on this property compounded at 2.9% per year. On a £-per-square-foot basis, the last sale (£596/sq ft) was about 53.1% above the typical sold price in the postcode. Last sale on file: £667,500 in July 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2023.
Know exactly what you're buying at Flat 1
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
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Windows upgraded, improving insulation
Wall insulation improved
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Roof insulation improved
Planning history
- Jun 2023OutbuildingFullIn report
Erection of a rear garden outbuilding.
- Documents
- 7 docs on file
- Reference
- P2023/1146/FUL
We flagged 1 thing worth checking at Flat 1
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£678,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.9% per year over 8 years.
£667,500
Growth on file: 2.9% per year over 8 years.
Sales timeline
20 July 2022Most recent
£667,500
+27.1%over 8 years24 February 2014
£525,000
Median price across the last 5 sales in N4 4EU: £580,000 (2022–2020).
Nearby sales in N4 4EU
24 Blythwood Road, Islington, London, N4 4EU
Sold Jun 2022
£460,00040 Blythwood Road, Islington, London, N4 4EU
Sold Nov 2021
£580,00030a, Blythwood Road, Islington, London, N4 4EU
Sold Sept 2021
£690,00038 Blythwood Road, Islington, London, N4 4EU
Sold Jun 2021
£1,185,00020 Blythwood Road, Islington, London, N4 4EU
Sold Dec 2020
£550,000
Everything we know about Flat 1, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Blythwood Road homes
Years Held for Flat 1 lags the street by a wide margin.
Price per m²
£6,418
Street avg £6,694
Floor Area
104 m²
Street avg 70 m²
Habitable Rooms
5 rooms
Street avg 3 rooms
CO₂ Emissions
5.0 t/year
Street avg 2.5 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
0.1 km
Heathville Road — bus stop.
Closest school
0.4 km
Ashmount Primary School. 81 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
53.1dB

Night-time· 23:00 – 07:00
43.8dB