20 Rosanne House, Bridge Road, Welwyn Garden City, AL8 6DE
About 20 Rosanne House
20 Rosanne House is a three-bedroom mid-terrace house in Welwyn Garden City (AL8 6DE). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 2007-2011 and council tax band D. The latest certificate (October 2022) returns a B (score 84), comfortably above the UK average. The rating has held steady at B across 2 certificates since February 2009. Between certificates, lighting went from Average to Very Good. At 102 m² this is the 21st smallest of 24 units on EPC record in the building, where floor areas span 41–111 m². The building's EPC ratings span C to B, with this unit at the top.
It hasn't traded since June 2010, a hold of 16 years that's notably long for the area. At 102 m² the property is well over the postcode median (77 m² across 23 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £478,000 is 25.8% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£346/sq ft) was about 15.6% below the postcode norm.
Know exactly what you're buying at 20 Rosanne House
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
- Bedrooms3
Energy performance
20 Rosanne House's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
20 Rosanne House has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
20 Rosanne House valuation sits well clear of the typical sold price in this postcode.
£478,000
Modelled from EPC, postcode comparables.
£380,000
Recorded with HM Land Registry.
Sales timeline
8 June 2010Most recent
£380,000
Median price across the last 5 sales in AL8 6DE: £525,000 (2023–2021).
Nearby sales in AL8 6DE
17 Rosanne House, Bridge Road, Welwyn Garden City, AL8 6DE
Sold Nov 2023
£600,0006 Rosanne House, Bridge Road, Welwyn Garden City, AL8 6DE
Sold Mar 2023
£425,0003 Rosanne House, Bridge Road, Welwyn Garden City, AL8 6DE
Sold Nov 2022
£525,0001 Rosanne House, Bridge Road, Welwyn Garden City, AL8 6DE
Sold Apr 2021
£240,00015 Rosanne House, Bridge Road, Welwyn Garden City, AL8 6DE
Sold Jan 2021
£545,000
Everything we know about 20 Rosanne House, 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 Bridge Road homes
On price per m², 20 Rosanne House runs well behind the street norm.
Price per m²
£3,725
Street avg £5,119
Floor Area
102 m²
Street avg 76 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
1.4 t/year
Street avg 1.5 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Campus West — bus stop.
Closest school
0.7 km
Templewood Primary School. 20 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.