12 De Soissons Close, Welwyn Garden City, AL8 6YX
About 12 De Soissons Close
12 De Soissons Close is a two-bedroom semi-detached house in Welwyn Garden City (AL8 6YX). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 2003-2006 and council tax band C. At 61 m² this is the 8th 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 (February 2025) shows a C (score 79), near the top of the C band. The rating has held steady at C across 2 certificates since July 2013. Between certificates, lighting went from Average to Very Good.
One planning record on file: new windows approved in 2015. Past consents include new windows, meaningful when judging how the property has evolved. Across 2005–2019, sale prices on this property compounded at 2.7% per year. On a £-per-square-foot basis, the last sale (£416/sq ft) was about 32.2% above the typical sold price in the postcode. Last sale on file: £273,000 in August 2019.
Know exactly what you're buying at 12 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
- Private gardenYes
- ParkingAllocated
Energy performance
12 De Soissons Close's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
- Jan 2015RenovationFullIn report
Replacement of window with french doors on rear elevation
New Windows- Documents
- 5 docs on file
- Reference
- N6/2014/2243/FP
What's in 12 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
£294,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.7% per year over 14 years.
£273,000
Growth on file: 2.7% per year over 14 years.
Sales timeline
18 August 2019Most recent
£273,000
+33.2%over 5 years28 October 2013
£205,000
+10.8%over 8 years18 March 2005
£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 12 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 years held, 12 De Soissons Close runs well behind the street norm.
Price per m²
£4,475
Street avg £3,967
Floor Area
61 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.