37 Southdown Road Harpenden Hertfordshire Al5 1Pg
Part single, part two-storey front extension; first floor extension over existing side; part single, part two-storey rear extension; porch to front; alterations to openings including replacement windows and external finishes
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Progress
Application details
- Reference
- 5/2026/0575
- Local authority
- St Albans
- Postcode
- AL5 1PG
- Ward
- Harpenden West
- Application type
- Full
- Property type
- House
Key dates
- Submitted
- 23 Mar 2026
- Validated
- 24 Mar 2026
- Target decision
- 23 May 2026
17 documents · 0 comments · 0 constraints
Estimated project value
£160k–£375k
Typical UK cost for this job type, scaled for a medium scheme, at South East rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: FMB / Checkatrade 2026, £2,000-£2,800/m² over a larger floor area.
Recently sold nearby
Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.
- 43 SOUTHDOWN ROAD, HARPENDEN, AL5 1PGDetached · £1,465,0002 years ago4 Oct 2023
- 46 SOUTHDOWN ROAD, HARPENDEN, AL5 1PGDetached · £1,380,0006 years ago30 Sept 2019
- 45 SOUTHDOWN ROAD, HARPENDEN, AL5 1PGDetached · Not a standard market sale · £1,600,0007 years ago14 Jun 2019
- 44 SOUTHDOWN ROAD, HARPENDEN, AL5 1PGDetached · £1,200,00010 years ago18 Jan 2016
- 45 SOUTHDOWN ROAD, HARPENDEN, AL5 1PGDetached · £1,140,00011 years ago12 Jan 2015
- 43 SOUTHDOWN ROAD, HARPENDEN, AL5 1PGDetached · £1,045,00012 years ago27 Sept 2013
- 36 SOUTHDOWN ROAD, HARPENDEN, AL5 1PGDetached · £1,225,00013 years ago4 Jan 2013
- 43 SOUTHDOWN ROAD, HARPENDEN, AL5 1PGDetached · £870,00017 years ago24 Apr 2009
Homes here go for about £1,200,000 — the median of the last 7 market sales in AL5 1PG, £870,000 to £1,465,000.
Contains HM Land Registry data © Crown copyright and database right 2023. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.
Planning constraints
No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.
Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.
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