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Get started9 Chalk Dale is a three-bedroom detached house in Welwyn Garden City (AL7 2AP). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (March 2021) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump. Records show the property has been extended at some point in its history.
Sale prices here have outpaced England HPI: 14.6% per year against 0.4% for the wider region. On a £-per-square-foot basis, the last sale (£1,001/sq ft) was about 173% above the typical sold price in the postcode. A recent sale: £625,000 in August 2025. At 58 m² it sits well below the postcode median (90 m² across 10 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2021. Past consents include an extension, meaningful when judging how the property has evolved.
Recommended upgrades on file would lift this property by multiple EPC bands.
9 Chalk Dale has an approved single-storey side and rear extension on the planning record.
Extension: Single storey · Side and rear of property
Erection of single storey side and rear extension and alterations to openings, including insertion of roof light into the rear elevation of existing roof.
Latest sale on 9 Chalk Dale was the highest on Land Registry record across the postcode.
£639,000
Modelled from EPC, postcode comparables and a sale-price growth of 14.6% per year over 4 years.
£625,000
Growth on file: 14.6% per year over 4 years.
9 Chalk Dale outperforms the street on price per m² by a wide margin.
Price per m²
£10,776
Street avg £4,146
Floor Area
58 m²
Street avg 93 m²
Habitable Rooms
3 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Hazel Grove — bus stop.
7 August 2025Most recent
£625,000
+73.6%over 4 years22 July 2021
£360,000
Median price across the last 5 sales in AL7 2AP: £400,000 (2024–2020).
Street avg 5 rooms
CO₂ Emissions
2.7 t/year
Street avg 4.2 t/year
AL7 2AP
Closest school
0.3 km
Ridgeway Academy. 17 schools nearby.
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