18a, Baddeley Close, Stevenage, SG2 9SL
About 18a
18a is an end-of-terrace house in Stevenage (SG2 9SL). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 2007-2011 and council tax band B. At 49 m² this is the 2nd smallest of 36 units on EPC record in the building, where floor areas span 35–137 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (January 2021) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (September 2010); the latest reading is one band lower. Between certificates, wall efficiency went from Good to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.
At 49 m² it sits well below the postcode median (84 m² across 35 EPCs), making it one of the more compact homes locally.
Energy performance
18a's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation upgraded
More low energy lighting installed
Planning history
18a has no planning applications on record.
Notable planning nearby
15applications of note in the surrounding area
We flagged 2 things worth checking at 18a
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
18a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£188,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SG2 9SL: £355,000 (2025–2021).
Nearby sales in SG2 9SL
Similar properties nearby
The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Barnwell — bus stop.
Closest school
0.2 km
Barnwell School. 20 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
51.0dB

Night-time· 23:00 – 07:00
41.4dB







