21 Barns Dene Harpenden Hertfordshire Al5 2Hh
Single storey front extension to create new porch, part single, part two storey rear extension with rooflights, first floor side extension with front dormer, ground floor front roof conversion from flat to pitched roof and alterations to openings followin
Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.
Progress
Application details
- Reference
- 5/2017/2824
- Local authority
- St Albans
- Postcode
- AL5 2HH
- Ward
- Harpenden West
- Application type
- Full
- Property type
- Flat
Key dates
- Submitted
- 8 Oct 2017
- Validated
- 9 Oct 2017
- Target decision
- 10 Nov 2017
- Decided
- 1 Dec 2017
18 documents · 0 comments · 0 constraints
Estimated project value
£32k–£87k
Typical UK cost for this job type, at South East rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 27 BARNS DENE, HARPENDEN, AL5 2HHDetached · £1,175,00012 months ago12 Sept 2025
- 3 BARNS DENE, HARPENDEN, AL5 2HHDetached · £1,450,0002 years ago10 Nov 2023
- 9 BARNS DENE, HARPENDEN, AL5 2HHDetached · £1,425,0003 years ago16 Feb 2023
- 29 BARNS DENE, HARPENDEN, AL5 2HHDetached · £1,525,0005 years ago10 Jun 2021
- 23 BARNS DENE, HARPENDEN, AL5 2HHDetached · £1,975,0008 years ago31 Jan 2018
- 35 BARNS DENE, HARPENDEN, AL5 2HHDetached · £1,100,0008 years ago8 Nov 2017
- 21 BARNS DENE, HARPENDEN, AL5 2HHDetached · £1,375,00010 years ago17 Aug 2016
- 39 BARNS DENE, HARPENDEN, AL5 2HHDetached · £1,365,00011 years ago3 Dec 2014
Homes here go for about £1,400,000 — the median of the last 8 market sales in AL5 2HH, £1,100,000 to £1,975,000.
Contains HM Land Registry data © Crown copyright and database right 2025. 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.
Nearby applications
- 30 Barns Dene Harpenden Hertfordshire Al5 2HqPermitted50 yd
- 53 Park Avenue North Harpenden Hertfordshire Al5 2EePending199 yd
- 13 Hartwell Gardens Harpenden Hertfordshire Al5 2RwPermitted231 yd
- 38 Park Avenue North Harpenden Hertfordshire Al5 2EdPending272 yd
- 28 Park Avenue North Harpenden Hertfordshire Al5 2EdPending272 yd
- 34 Park Avenue North Harpenden Hertfordshire Al5 2EdPermitted272 yd