11 De Soissons Close, Welwyn Garden City, AL8 6YX
About 11 De Soissons Close
11 De Soissons Close is a two-bedroom end-of-terrace house in Welwyn Garden City (AL8 6YX). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 2003-2006 and council tax band C. At 60 m² this is the 6th 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 (May 2023) shows a C (score 79), near the top of the C band.
Held since April 2005 — that's 21 years off the open market, well above the local norm. Today's modelled estimate of £294,000 sits 58.9% above the 2005 sale of £185,000.
Know exactly what you're buying at 11 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
- Dining roomYes
Outside
- Communal gardenYes
- ParkingAllocated
Energy performance
11 De Soissons Close's carbon output is low for the local stock.
EPC Rating
Planning history
11 De Soissons Close has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
£294,000
Modelled from EPC, postcode comparables.
£185,000
Recorded with HM Land Registry.
Sales timeline
6 April 2005Most recent
£185,000
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 11 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
On price per m², 11 De Soissons Close runs well behind the street norm.
Price per m²
£3,083
Street avg £4,083
Floor Area
60 m²
Street avg 58 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.4 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.