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Get started16 Chalk Dale is a four-bedroom semi-detached house in Welwyn Garden City (AL7 2AP). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (February 2022) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78). Records show the property has been extended at some point in its history.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 110 m² it's 22.2% larger than the typical home in the postcode (90 m² median across 10 EPCs). Last sale on file: £500,000 in November 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
16 Chalk Dale has 2 separate extension applications on the council record.
Extension: Single storey · Rear of property
SINGLE STOREY REAR EXTENSION
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£531,000
Modelled from EPC, postcode comparables.
£500,000
Recorded with HM Land Registry.
Floor Area for 16 Chalk Dale runs comfortably ahead of the street norm.
Price per m²
£4,545
Street avg £4,838
Floor Area
110 m²
Street avg 88 m²
Habitable Rooms
5 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Hazel Grove — bus stop.
Extension: Single storey · Rear of property
SINGLE STOREY REAR EXTENSION
23 November 2022Most recent
£500,000
Median price across the last 5 sales in AL7 2AP: £400,000 (2025–2020).
Street avg 5 rooms
CO₂ Emissions
4.2 t/year
Street avg 4.1 t/year
AL7 2PW
Closest school
0.3 km
Ridgeway Academy. 17 schools nearby.
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