20c, Cornwall Road, London, N4 4PH
About 20c
20c is an end-of-terrace house in London (N4 4PH). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to 1900-1929. The latest certificate (October 2015) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76). The latest certificate is from October 2015, so improvements made since then won't be reflected.
Today's modelled estimate of £453,000 is 20.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£633/sq ft) was about 94% above the typical sold price in the postcode. Sold October 2021 for £375,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 20c
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
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 09 Oct 2025
EPC Rating
Planning history
20c has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 20c
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.
£453,000
Modelled from EPC, postcode comparables.
£375,000
Recorded with HM Land Registry.
Sales timeline
14 October 2021Most recent
£375,000
Median price across the last 5 sales in N4 4PH: £620,000 (2025–2023).
Nearby sales in N4 4PH
Everything we know about 20c, 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 Cornwall Road homes
On habitable rooms, 20c runs well behind the street norm.
Price per m²
£6,818
Street avg £7,008
Floor Area
55 m²
Street avg 55 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.7 t/year
Street avg 2.4 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
Oakfield Road Stroud Green — bus stop.
Closest school
0.3 km
St Aidan's Voluntary Controlled Primary School. 85 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
43.7dB