18 Colwyn Close, Stevenage, SG1 2AT
About 18 Colwyn Close
18 Colwyn Close is an end-of-terrace house in Stevenage (SG1 2AT). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1996-2002 and council tax band D. The latest certificate (September 2025) shows a C (score 74). The rating has held steady at C across 2 certificates since October 2015. Between certificates, lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good.
At 69 m² the property is well over the postcode median (52 m² across 32 EPCs), placing it in the larger end of the local stock. Across 1995–2016, sale prices on this property compounded at 6.8% per year. Today's modelled estimate of £350,000 is 25% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£377/sq ft) was about 85.2% above the typical sold price in the postcode. On the market in March 2016 and unlisted since — roughly 10 years.
Know exactly what you're buying at 18 Colwyn 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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system changed
Floor insulation added or improved
More low energy lighting installed
Planning history
18 Colwyn Close has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 18 Colwyn 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
30-day money-back guarantee
Sales history & valuation
18 Colwyn Close has more than tripled in price since its earliest registered sale in 1995.
£350,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 20 years.
£280,000
Growth on file: 6.8% per year over 20 years.
Sales timeline
24 March 2016Most recent
£280,000
+283.6%over 20 years15 October 1995
£73,000
Median price across the last 5 sales in SG1 2AT: £285,000 (2025–2022).
Nearby sales in SG1 2AT
Everything we know about 18 Colwyn 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 Colwyn Close homes
On habitable rooms, 18 Colwyn Close stands well clear of the street.
Price per m²
£4,058
Street avg £3,665
Floor Area
69 m²
Street avg 56 m²
Habitable Rooms
5 rooms
Street avg 3 rooms
CO₂ Emissions
2.0 t/year
Street avg 3.0 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
Fleetwood Crescent — bus stop.
Closest school
0.5 km
Woolenwick Junior School. 21 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
56.7dB
Night-time· 23:00 – 07:00
47.2dB