23a, Conewood Street, Islington, London, N5 1BZ
About 23a
23a is a three-bedroom end-of-terrace house in Islington, London, London (N5 1BZ). It has a recorded floor area of 124 m² (around 1335 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (June 2024) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump.
At 124 m² the property is well over the postcode median (87 m² across 13 EPCs), placing it in the larger end of the local stock. Across 2004–2024, sale prices on this property compounded at 5.8% per year. Today's modelled estimate of £1,639,000 is 23.2% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£996/sq ft) was about 128.2% above the typical sold price in the postcode. 2 planning records sit against the property, 0 approved, 0 refused. Last sale on file: £1,330,000 in October 2024.
Know exactly what you're buying at 23a
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
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
23a has 2 separate extension applications on the council record.
- Nov 2013ExtensionFullIn report
Extension: Rear of property
Erection of an additional storey above the existing two storey rear lean-to and a roof extension.
- Documents
- 9 docs on file
- Reference
- P2013/3290/FUL
- Jul 2013ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of an additional storey above the existing two storey rear lean-to and a linked roof extension.
- Documents
- 11 docs on file
- Reference
- P2013/1566/FUL
What's in 23a, Conewood Street, Islington, London, N5 1BZ's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
23a has more than tripled in price since its earliest registered sale in 2004.
£1,639,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 20 years.
£1,330,000
Growth on file: 5.8% per year over 20 years.
Sales timeline
8 October 2024Most recent
£1,330,000
+111.1%over 14 years26 October 2009
£630,000
+50.0%over 5 years29 April 2004
£420,000
Median price across the last 5 sales in N5 1BZ: £1,315,000 (2024–2017).
Nearby sales in N5 1BZ
15c, Conewood Street, London, N5 1BZ
Sold Jul 2024
£610,00023 Conewood Street, Islington, London, N5 1BZ
Sold Sept 2022
£1,315,00029 Conewood Street, Islington, London, N5 1BZ
Sold Jul 2019
£1,536,15931 Conewood Street, Islington, London, N5 1BZ
Sold Jan 2018
£1,525,00035 Conewood Street, Islington, London, N5 1BZ
Sold Sept 2017
£1,155,000
Everything we know about 23a, 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 Conewood Street homes
Years Held for 23a lags the street by a wide margin.
Price per m²
£10,726
Street avg £8,765
Floor Area
124 m²
Street avg 176 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
4.9 t/year
Street avg 6.7 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
0.1 km
Riversdale Road / Blackstock Road — bus stop.
Closest school
0.0 km
St John's Highbury Vale CofE Primary School. 97 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