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

40,297Searchable applications

283Recorded as pending

86%Approval rate · 33,821 approved or refused records

4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 9 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2013/0150/LB
Replacement window and doors to rear and internal layout alterations
10-12 Northaw Road West, Northaw, POTTERS BAR, EN6 4NR
Received 16 Jan 2013
Decided - Refused6/2024/1243/FULL
Erection of a dwelling following demolition of existing garage
17 Cecil Crescent Hatfield AL10 0HF
Received 3 Jul 2024
Decided - RefusedN6/2007/1727/FP
ERECTION OF TWO STOREY & SINGLE STOREY REAR EXTENSION
26 Stuart Road Welwyn AL6 9JN
Received 15 Nov 2007
Decided - Granted6/2021/1860/VAR
Removal of condition 3 (potential contamination and any remediation measures), on planning permission 6/2020/1521/FULL
The Orchard House 53 Brockswood Lane Welwyn Garden City AL8 7BU
Received 16 Jun 2021
Decided - GrantedN6/2009/2548/TP
REDUCE HORNBEAM BACK TO POLLARDED MAIN STEM (POSSIBLE FELLING)
10 Copper Beeches Welwyn AL6 0SS
Received 16 Nov 2009
Decided - Granted6/2017/2116/EM
Fell Willow tree to ground level
8 Bushey Ley Welwyn Garden City AL7 3HW
Received 19 Sept 2017
Decided - GrantedS6/2009/2284/FP
PROPOSED TWO STOREY SIDE EXTENSION, SINGLE STOREY REAR EXTENSION, NEW DORMER WINDOW TO REAR ELEVATION AND NEW FRONT PORCH
37 HAWKSHEAD LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7TD
Received 16 Oct 2009
Decided - Granted6/2025/0945/EM
Construction of hardstanding across front garden.
10 Mountway Welwyn Garden City AL7 4LF
Received 21 May 2025
Decided - Granted6/2021/2308/TPO
Sycamore x 4 - pollarding Sycamore x 2 - reduce by 30-40% Lime x 1 - pollarding
6 Welwyn Hall Gardens Welwyn AL6 9LF
Received 3 Aug 2021
Decided - Granted6/2018/0923/EM
Installation of rear sliding door to replace existing single door
26 Furzefield Road Welwyn Garden City AL7 3RJ
Received 9 Apr 2018
Decided - Granted6/2023/0037/VAR
Variation of condition 3 (materials and external decoration) on planning permission 6/2021/1724/FULL for change of external wall materials, colours and finishes
4 Sutherland Way Cuffley Potters Bar EN6 4EG
Received 9 Jan 2023
Decided - Granted6/2024/1052/LAWP
Certificate of lawfulness for dual pitched roof and alterations to existing flat roof to facilitate the pitched roof and the eaves height of the new dual pitched roof.
Christmas Cottage 3 Ayot Green Ayot St Peter Welwyn AL6 9AB
Received 5 Jun 2024
Decided - Granted6/2024/1699/COND
Submission of details pursuant to condition number 1 (Sustainable Design Statement) on planning permission 6/2023/2547/FULL
9 Mymms Drive Brookmans Park AL9 7AE
Received 4 Sept 2024
Decided - Granted6/2016/1951/HOUSE
Erection of two storey side and single storey rear extension
5 Reddings, Welwyn Garden City, AL8 7LA
Received 19 Sept 2016
Decided - GrantedW6/2005/1550/EM
EXTENSION OF EXISTING PORCH AND ALTERATION TO FRONT ELEVATION OF GARAGE AND ERECTION OF SINGLE STOREY REAR EXTENSION AND ADDITION OF ROOFLIGHTS
74 Attimore Road, Welwyn Garden City, AL8 6LP
Received 15 Dec 2005
Under Consideration6/2026/0723/FULL
Subdivision of unit from hair salon to hair salon (Class Ea) and multi cuisine takeaway & home delivery (Sui Generis)
24 Market Place Hatfield AL10 0LN
Received 23 Apr 2026
Decided - GrantedN6/2014/1206/S73A
Variation of condition 1 (approved plan numbers) and 8 (approved landscape plan) of planning permission N6/2009/1164/DE
6 Little Burrow, Welwyn Garden City, AL7 4SW
Received 30 May 2014
Decided - GrantedS6/2013/1391/FP
Demolition of existing garage, single storey extension and rear conservatory, erection of part two storey, part single storey rear extensions to include dormers windows and alterations to existing roof and to existing dormer
28 Hawkshead Lane, North Mymms, HATFIELD, AL9 7TB
Received 24 Jun 2013
Decided - GrantedN6/2014/2467/FP
Formation of hardstanding
34 Lords Wood Welwyn Garden City AL7 2HF
Received 11 Nov 2014
Decided - Granted6/2023/1453/EMT
T1 Oak - Crown reduce by approximately 2m to leave viable growth points and a natural flow in canopy shape
50 Woodland Rise, Welwyn Garden City, AL8 7LF
Received 12 Jul 2023
Decided - Withdrawn6/2023/1600/FULL
Change of use from B Class to A5 Hot Food Takeaways use
Tewin Road Business Centre, Unit 7 Garden Court Welwyn Garden City AL7 1BH
Received 1 Aug 2023
Decided - Granted6/2016/1674/FULL
Change of use to self-contained, one-bedroom residential unit in the old stables
The Dower House, Coopers Lane, Northaw, Potters Bar, EN6 4NG
Received 12 Aug 2016
Decided - Granted6/2021/2698/HOUSE
Erection of a single storey rear extension with insertion of roof lights and alterations to openings of existing side elevation.
27 Birchwood Avenue Hatfield AL10 0PR
Received 17 Sept 2021
Decided - Granted6/2024/1433/MAJ
Erection of dwelling following the demolition of existing dwelling with a reconfiguration of the domestic curtilage and associated works
Woodlands Well Road Northaw Potters Bar EN6 4BN
Received 30 Jul 2024

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

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

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.
UK research
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.
UK research
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.
UK research
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