21a, Mountgrove Road, Islington, London, N5 2LU
About 21a
21a is a mid-terrace house in Islington, London, London (N5 2LU). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1930-1949 and council tax band C. At 79 m² this is the 15th smallest of 23 units on EPC record in the building, where floor areas span 43–173 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (April 2018) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since June 2012. Between certificates, lighting went from Very Poor to Very Good.
Across 2000–2018, sale prices on this property compounded at 7.1% per year. On a £-per-square-foot basis, the last sale (£735/sq ft) was about 64.8% above the typical sold price in the postcode. Most recent transfer: December 2018 at £625,000.
Know exactly what you're buying at 21a
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
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
21a has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
Sales history & valuation
Sale price has grown by over 3x since 2000.
£622,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.1% per year over 19 years.
£625,000
Growth on file: 7.1% per year over 19 years.
Sales timeline
12 December 2018Most recent
£625,000
+106.6%over 11 years16 November 2007
£302,500
+72.9%over 7 years10 April 2000
£175,000
Median price across the last 5 sales in N5 2LU: £620,000 (2024–2018).
Nearby sales in N5 2LU
27 Mountgrove Road, Islington, London, N5 2LU
Sold Feb 2024
£587,00019 Mountgrove Road, Islington, London, N5 2LU
Sold Oct 2023
£13,0001a, Mountgrove Road, Islington, London, N5 2LU
Sold Jun 2021
£800,0007a, Mountgrove Road, Islington, London, N5 2LU
Sold Jun 2021
£620,00011 Mountgrove Road, Islington, London, N5 2LU
Sold Oct 2018
£1,335,000
Everything we know about 21a, 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 Mountgrove Road homes
CO₂ Emissions for 21a runs comfortably ahead of the street norm.
Price per m²
£7,911
Street avg £7,188
Floor Area
79 m²
Street avg 65 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.8 t/year
Street avg 2.6 t/year
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Queen's Drive — bus stop.
Closest school
0.4 km
Gillespie Primary School. 94 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
54.5dB

Night-time· 23:00 – 07:00
44.4dB