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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 8 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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

  1. Decided - Refused6/2017/1550/HOUSE

    Alterations to the roof to include an increase in ridge height to facilitate accommodation in existing loft space and the addition of two front dormers, one rear dormer and the installation of 3 roof lights

    62 Hill Rise Cuffley Potters Bar EN6 4RG

    Received 17 Jul 2017
  2. Decided - Granted6/2020/3184/LAWP

    Lawful development certificate for the construction of rear outbuilding to provide ancillary use to the existing dwellinghouse

    58 Wellcroft Road Welwyn Garden City AL7 3JY

    Received 26 Nov 2020
  3. Decided - Granted6/2016/2539/COND

    Approval of details reserved by condition 5 (Scheme of Lighting) on planning permission S6/2015/0328/FP

    Royal Veterinary College Hawkshead Lane North Mymms Hatfield AL9 7TA

    Received 28 Nov 2016
  4. Decided - Granted6/2018/0027/TPO

    Fell 1 x Douglas Fir tree (Covered by TPO 56) - Dead & Dangerous

    14 Bracken Lane Welwyn AL6 0RB

    Received 4 Jan 2018
  5. Decided - Refused6/2022/0497/EMT

    Removal of a false Acacia which shifted in the recent storms

    294 Knightsfield Welwyn Garden City AL8 7NQ

    Received 2 Mar 2022
  6. Decided - WithdrawnN6/2013/0944/DS

    Discharge of conditions 7 (Landscape Method) N6/2012/1090/FP - Erection of two detached dwellings (House A & B) following demolition of existing

    House A & B 51 Harmer Green Lane Digswell, Welwyn AL6 0AP

    Received 3 May 2013
  7. Decided6/2023/1450/TC

    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
  8. Decided - Granted6/2019/0916/COND

    Submission of details pursuant to condition 6(Archaeological Written Scheme of Investigation) on planning application 6/2017/2695/MAJ

    Entech House London Road Woolmer Green SG3 6JE

    Received 16 Apr 2019
  9. Decided - Granted6/2024/1103/ADV

    Installation of 1 x Fascia with Acrylic Pod With Illumination, Printed ACM panels, Manifestations and Poster cases

    120-122 Peartree Post Office Peartree Lane Welwyn Garden City AL7 3XW

    Received 14 Jun 2024
  10. Decided - Granted6/2015/1696/TC

    Deadwood Lombardy poplar

    1 Elmwood Welwyn Garden City AL8 6LD

    Received 10 Aug 2015
  11. Decided - Granted6/2025/1345/EM

    Replace the flat roof on the rear extension with a like-for-like three layer felt roof system. Repair the guttering and replace missing guttering & fascia boards where they need replacing on the front and rear of the property like for like

    36 Woodland Rise Welwyn Garden City AL8 7LF

    Received 26 Jun 2025
  12. Decided - GrantedW6/2006/0351/EM

    ERECTION OF REAR CONSERVATORY

    76 Chequers, Welwyn Garden City, AL7 4TA

    Received 20 Mar 2006
  13. Decided - Granted6/2023/1494/HOUSE

    Installation of air conditioning unit to rear roof.

    8 Groom Place Welwyn Garden City AL7 1GG

    Received 17 Jul 2023
  14. Decided - GrantedW6/2008/1810/EM

    ERECTION OF A REAR CONSERVATORY

    3 EAST MEAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4RR

    Received 23 Sept 2008
  15. Decided6/2023/2121/TC

    Fell 1 x June Berry Tree - Tree has been overtaken by Ivy & removal is required to permit fence installation for security & privacy purposes Fell 1 x Apple Tree - Tree does not produce edible fruit, intention to replace with fruit tree in different location.

    11 The Quadrangle Welwyn Garden City AL8 6SG

    Received 19 Oct 2023
  16. Appeal Decided - Dismissed6/2021/3279/LAWE

    Certificate of lawfulness for the existing garage/annex as a second home (C3)

    41 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 18 Nov 2021
  17. Decided - Granted6/2025/0443/COND

    Submission of details pursuant to condition number 1 (Construction Method Statement), 5 (On-site biodiversity), 6 (Samples of materials), 7 (Details of proposed crown roof), 8 (Hard and soft landscaping), 9 (Energy Statement) and 11 (EV Charging) on planning permission 6/2022/1308/FULL

    41 Hawkshead Lane North Mymms AL9 7TD

    Received 10 Mar 2025
  18. Decided - Granted6/2021/2271/HOUSE

    Erection of two storey and part single storey rear extension with internal reconfiguration to existing house.

    47 The Crescent Welwyn AL6 9JG

    Received 29 Jul 2021
  19. Decided - Withdrawn6/2021/2039/FULL

    Erection of new storage barn

    Woodhurst Cottage Cattlegate Road Northaw Potters Bar EN2 8AT

    Received 5 Jul 2021
  20. Decided - WithdrawnS6/2014/0933/LUE

    Certificate of lawfulness for the use of an outbuilding as a separate residential unit.

    Woodhill Farm, Kentish Lane, Brookmans Park, Hatfield, AL9 6JY

    Received 6 May 2014
  21. Decided - Granted6/2017/2659/FULL

    Erection of a new building to accommodate cats on a short term basis including change of use to mixed residential and cattery

    33 Brookside Crescent Cuffley Potters Bar EN6 4QW

    Received 13 Nov 2017
  22. Decided - Granted6/2026/0860/HOUSE

    Proposed single storey rear extension and garden room following demolition of conservatory together with the retention of the single storey front porch and side extension.

    16 The Wade Welwyn Garden City AL7 4LG

    Received 15 May 2026
  23. Decided - GrantedW6/2015/1206/EM

    Replacement rear patio doors with bi fold doors and extend width of opening

    6 Templewood Welwyn Garden City AL8 7HX

    Received 8 Jun 2015
  24. Decided - Granted6/2021/1969/EMT

    Fell 1 x conifer in rear garden

    37 High Oaks Road Welwyn Garden City AL8 7BT

    Received 29 Jun 2021

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.

  • 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.

  • 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.

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