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Get started20 Barnard Green is a three-bedroom end-of-terrace house in Welwyn Garden City (AL7 3NG). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (March 2015) shows a C (score 74). When first surveyed in February 2014 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Good to Very Good and hot-water efficiency went from Poor to Good. The recommended improvements would push it to B (score 87). The latest certificate is from March 2015, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.
At 83 m² it's 29.7% larger than the typical home in the postcode (64 m² median across 16 EPCs). Today's modelled estimate of £441,000 is 29.7% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£381/sq ft) was about 73.9% above the typical sold price in the postcode. On the market in July 2015 and unlisted since — roughly 11 years.
20 Barnard Green's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 05 Mar 2025
20 Barnard Green valuation sits well clear of the typical sold price in this postcode.
£441,000
Modelled from EPC, postcode comparables.
£340,000
Recorded with HM Land Registry.
20 Barnard Green outperforms the street on epc rating by a wide margin.
Price per m²
£4,096
Street avg £4,077
Floor Area
83 m²
Street avg 68 m²
Habitable Rooms
4 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Knella Road — bus stop.
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
3 July 2015Most recent
£340,000
Median price across the last 5 sales in AL7 3NG: £365,000 (2025–2014).
Street avg 4 rooms
CO₂ Emissions
2.6 t/year
Street avg 3.1 t/year
AL7 3ST
Closest school
0.4 km
Holwell Primary School. 20 schools nearby.
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