23a, St Marks Road, Enfield, EN1 1BG
About 23a
23a is a one-bedroom mid-terrace house in Enfield (EN1 1BG). It has a recorded floor area of 41 m² (around 441 sq ft) and construction records dating it to 1930-1949. The latest certificate (May 2024) shows an E (score 44), well below the UK norm with real room to improve. When first surveyed in March 2009 the rating was F, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Poor and main heating went from Very Poor to Poor. Main heating runs on electricity. At 41 m² this is the 14th smallest of 45 units on EPC record in the building, where floor areas span 19–230 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (44 versus a best of 80). Other recorded features include a balcony.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. A recent sale: £245,000 in September 2025. On a £-per-square-foot basis, the last sale (£555/sq ft) was about 93.8% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- Private gardenRear
- ParkingOff road
- BalconyYes
Everything you need to know about 23a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
23a sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Low energy lighting percentage decreased
Heating system upgraded to a more efficient system
Heating controls changed
Hot water system upgraded
More low energy lighting installed
Hot water system changed
Single glazing replaced with double or better glazing
Planning history
23a has no planning applications on record.
Notable planning nearby
18applications of note in the surrounding area
We flagged 2 things worth checking at 23a
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
23a valuation sits well clear of the typical sold price in this postcode.
£252,000
Modelled from EPC, postcode comparables.
£245,000
Recorded with HM Land Registry.
Sales timeline
18 September 2025Most recent
£245,000
Median price across the last 5 sales in EN1 1BG: £340,000 (2021–2021).
Nearby sales in EN1 1BG
Versus other St Marks Road homes
Years Held for 23a lags the street by a wide margin.
Price per m²
£5,976
Street avg £4,626
Floor Area
41 m²
Street avg 48 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
4.4 t/year
Street avg 2.1 t/year
Everything you need to know about 23a
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
John Jackson Library — bus stop.
Closest school
0.3 km
Bush Hill Park Primary School. 51 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
54.0dB
Night-time· 23:00 – 07:00
43.4dB