England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates

39,879Searchable applications

298Recorded as pending

86%Approval rate · 33,434 approved or refused records

4,779Refused applications

28,655 approved · 4,779 refused · 2,190 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 28 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

Planning information Planning and building Local plan Our Local Plan Pre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation Area Article 4 directions Article 4 Directions

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas9 mapped area records

Article 4 direction areasNo boundary records available in this collection

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

Decided - Granted6/2016/0237/HOUSE
Erection of rear conservatory following demolition of existing
80 Attimore Road, Welwyn Garden City, AL8 6LP
Received 11 Feb 2016
Decided - Granted6/2023/1941/EMT
T1 Birch - Dead - Fell to ground level T2 Birch - In Rapid decline - Fell to ground level
118 Parkway Welwyn Garden City AL8 6HN
Received 20 Sept 2023
Decided - Granted6/2020/0954/LAWP
Erection of rear dormer & insertion of 1 x front roof light & 2 x side roof lights to facilitate conversion of existing loft space
8 Cranborne Road Hatfield AL10 8AP
Received 28 Apr 2020
Appeal Decided - AllowedS6/2007/0290/FP
ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSIONS AND ROOF ALTERATIONS AND TWO REAR DORMERS.
120 Moffats Lane Brookmans Park Hatfield AL9 7RW
Received 23 Feb 2007
Decided - GrantedN6/2015/0869/TC
Fell Conifer tree
39 Sherrardspark Road, Welwyn Garden City, AL8 7JY
Received 24 Apr 2015
Decided6/2022/1588/TC
1 x Spruce to lift by approximately 2m (approx 10 branches)
3 Brockswood Lane Welwyn Garden City AL8 7BA
Received 6 Jul 2022
Decided - Granted6/2024/0040/LAWE
Application for a lawful development certificate (existing use) - to demonstrate the 10 year continuous occupation of the dwelling known at Follyfoot Farm without complying to condition 6 (agricultural occupancy) on planning appeal T/APP/C1950/A/99/1021335/P7
Follyfoot Farm Woodfield Lane Hatfield AL9 6JJ
Received 5 Jan 2024
Decided - Withdrawn6/2023/0977/HOUSE
Garage conversion to form office and installation of bay window
10 Campion Road Hatfield AL10 9FB
Received 9 May 2023
Decided - GrantedN6/2009/2399/FP
ERECTION OF SINGLE STOREY SIDE EXTENSION
12 MANDEVILLE RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JU
Received 28 Oct 2009
Decided - RefusedN6/2014/2639/LB
Installation of replacement windows, doors and glazed screens to the external elevation and entrance lobby
Templewood Primary School, Pentley Park, Welwyn Garden City, AL8 7SD
Received 3 Dec 2014
Decided - Granted6/2016/2216/RM
Approval of reserved matters (appearance and landscape) for the construction of a B2/B8 (use class) unit, with ancillary offices, car parking, cycle parking, diverted bridleway and permissive path and associated works of outline planning permission N6/2012/1654/OP
City Park, Watchmead, Welwyn Garden City, AL7 1LT
Received 21 Oct 2016
Decided - Granted6/2020/0069/EM
Erection of shed
19 Boundary Lane Welwyn Garden City AL7 4EF
Received 13 Jan 2020
Decided - Granted6/2021/0294/TPO
Reduce 1 x Willow Tree by 30-40%
25-27 Dellsome Lane Welham Green Hatfield AL9 7DY
Received 1 Feb 2021
Appeal Decided - Allowed6/2017/0778/HOUSE
Installation of two side dormers following removal of existing two chimney stacks, juliet balcony, formation of vehicular hardstanding to front garden, front boundary wall and gates to entrance.
97 The Ridgeway, Cuffley, Potters Bar, EN6 4BG
Received 18 Apr 2017
Decided - Granted6/2022/2490/EMT
1 x Yew to reduce by 1.5m height & 1m width. Thin canopy by 15% 1 x Plum to reduce by around 2m in height and 2m width
8 Attimore Close Welwyn Garden City AL8 6LN
Received 31 Oct 2022
Decided - Granted6/2020/0428/EM
Fell 1 x Apple tree Reduce 1 x Apple tree by 1m and thin by 20%
4 High Grove Welwyn Garden City AL8 7DW
Received 14 Feb 2020
Decided - Granted6/2022/1674/HOUSE
Replacement of front entrance portico, replacement of existing entrance gate & brick walls with new Georgian style metal gates, railings & masonry posts with stone ball finials and replace the existing tarmac entrance crossover with granite cobbles
Farmleigh Berkhamsted Lane Essendon Hatfield Hertfordshire AL9 6JS
Received 15 Jul 2022
Decided - Refused6/2023/1662/HOUSE
Installation of new dormer window to rear elevation and rooflight to flank roof. Fenestration alterations to include replacement of existing window reveal detailing, removal of existing front door and porch with the installation of new window, reinstatement of original front door, blocking up of existing window on side elevation at first floor level, alterations to window sizes on rear elevation at first floor level and replacement of timber windows for metal to match original.
8 High Road Essendon Hatfield AL9 6HW
Received 9 Aug 2023
Decided - RefusedN6/2006/0342/FP
ERECTION OF SINGLE STOREY FRONT, SIDE AND REAR EXTENSIONS, WITH RELOCATION OF GARAGE
1 The Limberlost Welwyn AL6 9TS
Received 17 Mar 2006
Decided - Granted6/2016/0240/HOUSE
Erection of single storey side extension (including prior removal of the previous alteration), addition of a front entrance lobby and erection of single-storey garden shed for storage purposes
12 Cloverland Hatfield AL10 9ED
Received 15 Feb 2016
Decided - Granted6/2020/1213/LB
Extensions and alterations to the building to allow it to be converted into a single dwelling house with associated landscaping, hard surfacing and alterations to a section of the existing wall adjacent to the building to create a new gated opening for pedestrian access
The Wood Barn The Estate Yard North Mymms Park North Mymms Hatfield AL9 7TR
Received 1 Jun 2020
Decided - Granted6/2025/0992/COND
Submission of details pursuant to condition 2 (Archaeology) on planning permission 6/2024/0105/MAJ
Land north of The Meadway Cuffley Potters Bar EN6 4ET
Received 28 May 2025
Decided - GrantedS6/2014/1235/HH
Prior approval for the erection of a single storey rear extension
28 Warren Close, Hatfield, AL10 0AL
Received 9 Jun 2014
Decided - Granted6/2018/0486/EM
Installation of side window to facilitate conversion of garage to habitable space
93 Daniells Welwyn Garden City AL7 1QT
Received 20 Feb 2018

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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Researching a proposal in Welwyn Hatfield Borough Council

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How to search planning applications

Guides to planning records

All planning guides

Understanding planning · 13 min read
Planning application documents: what to read first
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
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Published 16 Jul 2026Updated 13 Sept 2026
Understanding planning · 13 min read
Planning permission drawings: how to read plans
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.
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Published 6 Aug 2026Updated 13 Sept 2026
Property research · 13 min read
Planning approval rates: how to read council statistics
Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.
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Published 13 Aug 2026Updated 13 Sept 2026

What these statistics cover

These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

Check collection coverage