40 John Street, Enfield, EN1 1LG
About 40 John Street
40 John Street is a three-bedroom end-of-terrace house in Enfield (EN1 1LG). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (August 2020) shows an F (score 35), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 80), a 3-band jump. Our model identifies extension potential, subject to local planning policy.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Sold February 2021 for £400,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 1999–2021, sale prices on this property compounded at 8.3% per year. Today's modelled estimate of £475,000 is 18.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£555/sq ft) was about 82.9% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Utility roomYes
Outside
- Private gardenSouth-facing
Building
- RefurbishedYes
- Extension potentialPossible
Everything you need to know about 40 John Street
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
40 John Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
40 John Street has no planning applications on record.
Notable planning nearby
18applications of note in the surrounding area
We flagged 2 things worth checking at 40 John Street
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.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
40 John Street has more than quadrupled in price since its earliest registered sale in 1999.
£475,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.3% per year over 22 years.
£400,000
Growth on file: 8.3% per year over 22 years.
Sales timeline
26 February 2021Most recent
£400,000
+73.9%over 8 years26 June 2012
£230,000
-1.7%over 4 years27 April 2008
£234,000
+234.3%over 9 years23 March 1999
£70,000
Median price across the last 5 sales in EN1 1LG: £415,000 (2025–2022).
Versus other John Street homes
On epc rating, 40 John Street runs well behind the street norm.
Price per m²
£5,970
Street avg £4,607
Floor Area
67 m²
Street avg 65 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
6.2 t/year
Street avg 3.1 t/year
Everything you need to know about 40 John Street
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
13/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Bush Hill Park / Enfield — bus stop.
Closest school
0.4 km
Bush Hill Park Primary School. 52 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
42.3dB