23 Japan Crescent, Islington, London, N4 4BB
About 23 Japan Crescent
23 Japan Crescent is a four-bedroom mid-terrace house in Islington, London, London (N4 4BB). It has a recorded floor area of 137 m² (around 1475 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (October 2013) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78). The latest certificate is from October 2013, so improvements made since then won't be reflected.
One planning record on file: an extension approved in 2007. Past consents include an extension, meaningful when judging how the property has evolved. At 137 m² it's 26.3% larger than the typical home in the postcode (109 m² median across 14 EPCs). Across 2001–2015, sale prices on this property compounded at 16.2% per year. Today's modelled estimate of £1,059,000 is 10.9% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£648/sq ft) was about 140.7% above the typical sold price in the postcode. Last changed hands 11 years ago, in May 2015.
Know exactly what you're buying at 23 Japan Crescent
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
What this property has
Inside
- Bedrooms4
- Dining roomYes
- Utility roomYes
- EnsuiteYes
Outside
- Private gardenYes
Energy performance
23 Japan Crescent's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 13 Oct 2023
EPC Rating
Planning history
23 Japan Crescent has an approved single-storey rear extension on the planning record.
- Sept 2007ExtensionOutlineIn report
Extension: Single storey · Rear of property
Certificate of lawfulness for the proposed development of a single storey, part width, rear extension.
- Documents
- 9 docs on file
- Reference
- P071767
We flagged 1 thing worth checking at 23 Japan Crescent
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
Price for 23 Japan Crescent has grown more than fourfold since the 2001 starting point.
£1,059,000
Modelled from EPC, postcode comparables and a sale-price growth of 16.2% per year over 14 years.
£955,000
Growth on file: 16.2% per year over 14 years.
Sales timeline
4 May 2015Most recent
£955,000
+213.1%over 13 years7 April 2002
£305,000
+165.2%over 1 year23 March 2001
£115,000
Median price across the last 5 sales in N4 4BB: £600,000 (2021–2004).
Nearby sales in N4 4BB
10 Japan Crescent, Islington, London, N4 4BB
Sold Dec 2021
£1,046,5009 Japan Crescent, Islington, London, N4 4BB
Sold Apr 2014
£975,0002 Japan Crescent, Islington, London, N4 4BB
Sold Jan 2010
£600,00012 Japan Crescent, Islington, London, N4 4BB
Sold Jul 2009
£583,00019 Japan Crescent, Islington, London, N4 4BB
Sold Jul 2004
£365,000
Everything we know about 23 Japan Crescent, 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 Japan Crescent homes
Years Held for 23 Japan Crescent lags the street by a wide margin.
Price per m²
£6,971
Street avg £5,799
Floor Area
137 m²
Street avg 114 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
5.7 t/year
Street avg 5.8 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
Crouch Hill Rail Station — railway station.
Closest school
0.5 km
Arts and Media School Islington. 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
53.0dB

Night-time· 23:00 – 07:00
43.0dB