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Get started15 Dawley is a three-bedroom semi-detached house in Welwyn Garden City (AL7 1EA). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (October 2015) shows an E (score 53), well below the UK norm with real room to improve. When first surveyed in December 2009 the rating was G, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Poor and hot-water efficiency went from Poor to Good. The recommended improvements would lift it to C (score 74), a 2-band jump. The latest certificate is from October 2015, so improvements made since then won't be reflected. Other recorded features include a conservatory.
Sale prices here have outpaced England HPI: 9.6% per year against 0% for the wider region. Today's modelled estimate of £382,000 is 17.9% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£324/sq ft) was about 30.5% above the typical sold price in the postcode. 10 years since the last transfer (October 2016). Across the public record there are 4 sales, relatively high churn for a single property. 4 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 93 m² it's 22.4% larger than the typical home in the postcode (76 m² median across 13 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 05 Oct 2025
15 Dawley has 2 separate extension applications on the council record.
Extension: Single storey · Rear of property
Erection of single storey rear extension
Price for 15 Dawley has grown more than fourfold since the 1999 starting point.
£382,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.6% per year over 17 years.
£324,000
Growth on file: 9.6% per year over 17 years.
Floor Area for 15 Dawley runs comfortably ahead of the street norm.
Price per m²
£3,484
Street avg £3,311
Floor Area
93 m²
Street avg 78 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Shops — bus stop.
Changes detected from historical EPC data
Changed to a more efficient fuel source
Hot water efficiency improved
Heating controls upgraded for better temperature management
Wall insulation upgraded
Roof insulation improved
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Extension: Single storey · Rear of property
Erection of single storey rear extension
2 more applications for this property
Join to see all planning history.
28 October 2016Most recent
£324,000
+40.9%over 6 years9 April 2010
£230,000
+20.4%over 5 years11 March 2005
£191,000
+189.4%over 5 years28 May 1999
£66,000
Median price across the last 5 sales in AL7 1EA: £300,000 (2025–2014).
CO₂ Emissions
5.4 t/year
Street avg 4.2 t/year
AL7 1PH
Closest school
0.6 km
Harwood Hill Junior Mixed Infant and Nursery School. 19 schools nearby.
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