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Get started33 By The Mount is a three-bedroom semi-detached house in Welwyn Garden City (AL7 3SY). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (September 2022) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 85).
At 82 m² the property is well over the postcode median (57 m² across 29 EPCs), placing it in the larger end of the local stock. A recent sale: £455,000 in July 2025. 4 planning records sit against the property, 2 approved, 2 refused. Past consents include an extension, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£515/sq ft) was about 50.7% above the typical sold price in the postcode.
33 By The Mount has been extended on multiple sides of the property across separate planning applications.
Extension: Rear of property
Single storey rear extension to form garage
Latest sale on 33 By The Mount was the highest on Land Registry record across the postcode.
£483,000
Modelled from EPC, postcode comparables.
£455,000
Recorded with HM Land Registry.
On price per m², 33 By The Mount stands well clear of the street.
Price per m²
£5,549
Street avg £3,414
Floor Area
82 m²
Street avg 84 m²
Habitable Rooms
4 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Broadwater Crescent — bus stop.
Extension: Single storey · Side of property
Single storey side extension
2 more applications for this property
Join to see all planning history.
18 July 2025Most recent
£455,000
Median price across the last 5 sales in AL7 3SY: £214,000 (2025–2020).
Street avg 5 rooms
CO₂ Emissions
3.1 t/year
Street avg 2.9 t/year
AL7 3SY
Closest school
0.5 km
Our Lady Catholic Primary School. 22 schools nearby.
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