16 De Soissons Close, Welwyn Garden City, AL8 6YX
About 16 De Soissons Close
16 De Soissons Close is a two-bedroom detached house in Welwyn Garden City (AL8 6YX). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 2003-2006 and council tax band C. At 51 m² this is the 2nd smallest of 18 units on EPC record in the building, where floor areas span 49–103 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (January 2022) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (May 2009); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.
Today's modelled estimate of £276,000 sits 55.1% above the 2012 sale of £178,000. Last changed hands 14 years ago, in May 2012. At 51 m² it's 16.4% smaller than the typical home in the postcode (61 m² median across 17 EPCs). One historical planning record sits against the property in 2012.
Know exactly what you're buying at 16 De Soissons Close
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms2
- Bathrooms2
- EnsuiteYes
Outside
- ParkingAllocated
Building
- Heating systemGas
- RefurbishedYes
Energy performance
16 De Soissons Close's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Low energy lighting percentage decreased
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Planning history
- May 2012ConditionsIn report
Discharge of condition 13 from planning permission N6/2012/0923/DS
- Reference
- N6/2012/0923/DS
What's in 16 De Soissons Close, Welwyn Garden City, AL8 6YX's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
16 De Soissons Close saw 3 transfers in just over a decade — high turnover for the postcode.
£276,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.4% per year over 7 years.
£178,000
Growth on file: 0.4% per year over 7 years.
Sales timeline
31 May 2012Most recent
£178,000
+5.3%over 2 years30 July 2009
£169,000
-2.0%over 4 years9 May 2005
£172,500
Median price across the last 5 sales in AL8 6YX: £510,000 (2025–2022).
Nearby sales in AL8 6YX
15 De Soissons Close, Welwyn Garden City, AL8 6YX
Sold Oct 2025
£305,0005 De Soissons Close, Welwyn Garden City, AL8 6YX
Sold Aug 2025
£310,0002 De Soissons Close, Welwyn Garden City, AL8 6YX
Sold Apr 2025
£517,00018 De Soissons Close, Welwyn Garden City, AL8 6YX
Sold Jul 2024
£550,0001 De Soissons Close, Welwyn Garden City, AL8 6YX
Sold Dec 2022
£510,000
Everything we know about 16 De Soissons Close, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other De Soissons Close homes
16 De Soissons Close is notably below the street on floor area.
Price per m²
£3,490
Street avg £4,049
Floor Area
51 m²
Street avg 58 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.1 t/year
Street avg 1.2 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Newfields — bus stop.
Closest school
0.4 km
Stanborough School. 12 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.