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Get started12 Gaddesden Grove is a one-bedroom mid-terrace house in Welwyn Garden City (AL7 2LW). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1976-1982 and council tax band B. At 47 m² this is the smallest unit on EPC record across the building (47–84 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (September 2025) shows a C (score 74). The rating has held steady at C across 2 certificates since December 2013. Between certificates, roof efficiency went from Poor to Average; while lighting dropped from Very Good to Good.
Sale prices here have outpaced England HPI: 3.1% per year against 0% for the wider region. Today's modelled estimate of £194,000 sits 55.2% above the 2014 sale of £125,000. 12 years since the last transfer (April 2014). At 47 m² it's 19% smaller than the typical home in the postcode (58 m² median across 21 EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.
12 Gaddesden Grove's carbon output is low for the local stock.
12 Gaddesden Grove valuation sits well clear of the typical sold price in this postcode.
£194,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.1% per year over 11 years.
£125,000
Growth on file: 3.1% per year over 11 years.
On co₂ emissions, 12 Gaddesden Grove stands well clear of the street.
Price per m²
£2,660
Street avg £3,150
Floor Area
47 m²
Street avg 54 m²
Habitable Rooms
3 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Waterford Green — bus stop.
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
Are we missing something? Tell us about home improvements to help adjust your valuation.
17 April 2014Most recent
£125,000
+4.2%over 8 years19 October 2005
£120,000
+36.4%over 2 years20 November 2002
£88,000
Median price across the last 5 sales in AL7 2LW: £190,000 (2024–2016).
Street avg 3 rooms
CO₂ Emissions
1.1 t/year
Street avg 1.8 t/year
AL7 2BJ
Closest school
0.2 km
Watchlytes Primary School. 17 schools nearby.
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