9 Corton Close, Stevenage, SG1 2LB
About 9 Corton Close
9 Corton Close is a three-bedroom semi-detached house in Stevenage (SG1 2LB). It has a recorded floor area of 85 m² (around 915 sq ft) and construction records dating it to 1967-1975. The latest certificate (November 2021) shows a C (score 70). The recommended improvements would push it to B (score 84). Our model identifies extension potential, subject to local planning policy. The home occupies a corner plot and a cul-de-sac position.
One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£519/sq ft) was about 135.4% above the typical sold price in the postcode. At 85 m² it's 18.5% smaller than the typical home in the postcode (104 m² median across 6 EPCs). Last sale on file: £475,000 in April 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 9 Corton Close
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- Private gardenYes
- Corner plotYes
- Cul-de-sacYes
Building
- RefurbishedYes
- Extension potentialPossible
Energy performance
EPC Rating
Planning history
9 Corton Close has an approved single-storey front extension on the planning record.
- Mar 2023ExtensionFullIn report
Extension: Single storey · Front of property
Erection of single-storey front extension with bay window.
- Documents
- 13 docs on file
- Reference
- 23/00042/FPH
We flagged 1 thing worth checking at 9 Corton Close
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.
- Larger development activity nearby
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£506,000
Modelled from EPC, postcode comparables.
£475,000
Recorded with HM Land Registry.
Sales timeline
7 April 2022Most recent
£475,000
Median price across the last 5 sales in SG1 2LB: £515,000 (2025–2015).
Everything we know about 9 Corton Close, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby
Versus other Corton Close homes
Price per m² for 9 Corton Close runs comfortably ahead of the street norm.
Price per m²
£5,588
Street avg £3,785
Floor Area
85 m²
Street avg 120 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
3.1 t/year
Street avg 3.7 t/year
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
20/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Southsea Road — bus stop.
Closest school
0.4 km
The Saint John Henry Newman Catholic School. 19 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
57.2dB
Night-time· 23:00 – 07:00
48.2dB