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
40,308Searchable applications
287Recorded as pending
86%Approval rate · 33,826 approved or refused records
4,820Refused applications

29,006 approved · 4,820 refused · 2,220 withdrawn. Received dates in our records: 29 Apr 1948 to 3 Nov 2026. Most recent record check: 10 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/0343/LAWP

    Certificate of lawfulness for toilet facility, lobby and alteration to existing fire escape door

    Emmanuel House And Wingate Business Centre Travellers Close Welham Green Hatfield AL9 7LD

    Received 24 Feb 2025
  2. Decided - Granted6/2021/3136/LAWP

    Certificate of lawfulness for the erection of a 4m deep maximum single storey rear extension

    12 Rollswood Road Welwyn AL6 9TX

    Received 2 Nov 2021
  3. Decided - Granted6/2015/2507/VAR

    Variation of condition 2 (drawings) and condition 7 (window details) on planning permission N6/2015/0927/FP

    40 New Road Digswell Welwyn AL6 0AH

    Received 18 Dec 2015
  4. Decided - Granted6/2018/0744/TPO

    Fell T1x Willow Oak and replace with the same covered by TPO 450 T82

    6 Newitt Court Welwyn AL6 9FY

    Received 19 Mar 2018
  5. Decided - Granted6/2020/1775/TPO

    Crown reduce 3x Oak [T1] by 2-3 metres covered by TPO 789 (2018)

    5B Roundabout Lane Welwyn AL6 0TH

    Received 8 Jul 2020
  6. Decided - Refused6/2017/1054/HOUSE

    Erection of side & rear extensions, with conversion of existing loft

    104 Brookside Crescent Cuffley Potters Bar EN6 4QL

    Received 16 May 2017
  7. Decided - Granted6/2022/1743/HOUSE

    Erection of single storey rear extension

    39 Warrengate Road North Mymms Hatfield Hertfordshire AL9 7TT

    Received 25 Jul 2022
  8. Decided - GrantedW6/2008/0985/EM

    ERECTION OF TIMBER FRAMED GREENHOUSE AND RUSTIC TRELLIS FENCE IN REAR GARDEN. REMOVAL OF ONE GOLDEN FIR, TWO FIR TREES AND ONE PLUM TREE

    46 ATTIMORE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LP

    Received 24 Jun 2008
  9. Decided - WithdrawnS6/2009/1782/FP

    ERECTION OF TWO STOREY SIDE AND REAR EXTENSION AND SINGLE STOREY FRONT EXTENSION WITH PORCH CANOPY

    50 BULLENS GREEN LANE, ST ALBANS, HERTFORDSHIRE, AL4 0QS

    Received 20 Aug 2009
  10. Decided - GrantedN6/2014/1340/FP

    Erection of garage following demolition of existing garage

    43 The Crescent Welwyn AL6 9JG

    Received 13 Jun 2014
  11. Decided - Granted6/2016/0263/HOUSE

    Erection of single storey front extension, two storey rear extension and alterations to openings

    7A Oaklands Rise Welwyn AL6 0RH

    Received 15 Feb 2016
  12. Decided - GrantedW6/2013/2491/EM

    Erection of part single storey and part first floor rear extension, insertion of new window to rear and widening of existing vehicle entrance

    43 Handside Lane, Welwyn Garden City, AL8 6SH

    Received 20 Nov 2013
  13. Decided - GrantedW6/2007/0806/EM

    ERECTION OF TWO STOREY REAR EXTENSION AND SINGLE STOREY SIDE AND REAR EXTENSIONS

    33 Knightsfield, Welwyn Garden City, AL8 7JE

    Received 29 May 2007
  14. Decided - Withdrawn6/2025/2532/FULL

    Erection of detached building to provide 8no 2-bed units for over 55's

    Wendover Lodge Church Street Welwyn AL6 9LR

    Received 8 Dec 2025
  15. Decided - Refused6/2025/1344/FULL

    Retention of a timber-framed, roofed structure comprising 16 driving bays, two coaching bays and ball dispenser area, forming part of the Brocket Hall golf driving range facility

    Brocket Hall Golf Academy Welwyn Garden City AL8 7XG

    Received 26 Jun 2025
  16. Decided - GrantedN6/2007/0412/MA

    ERECTION OF 20 UNITS COMPRISING OF B1 (BUSINESS) USE WITH ASSOCIATED ACCESS, ROADS AND LANDSCAPING.

    LAND AT, 29 BROADWATER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3BQ

    Received 12 Mar 2007
  17. Decided - Granted6/2015/1760/EM

    Fell DD Cherry tree.

    5 Little Youngs Welwyn Garden City AL8 6SL

    Received 18 Aug 2015
  18. Decided - Granted6/2021/3476/HOUSE

    Erection of a first floor side extension and removal of chimney

    4 Palmerston Close Welwyn Garden City AL8 7DL

    Received 13 Dec 2021
  19. Decided - Granted6/2015/1921/TPO

    Reduce crown of two ash trees T7 & T8 by 40% covered by TPO 496

    61 Tolmers Road, Cuffley, Potters Bar, EN6 4JG

    Received 14 Sept 2015
  20. Decided - Granted6/2024/0434/EM

    Formation of driveway to replace existing

    3 Handside Close Welwyn Garden City AL8 6SR

    Received 6 Mar 2024
  21. Decided - Granted6/2021/2740/LAWP

    Certificate of lawfulness for erection of a single storey front extension and a single storey rear extension, following the demolition of existing front porch canopy and rear conservatory, plus alterations to fenestration to existing front and side elevations.

    15 Mardley Wood Welwyn AL6 0UY

    Received 22 Sept 2021
  22. Under Consultation6/2026/1743/HOUSE

    Portico to front and side entrances, formation of two front dormer windows to existing roof space, new/repositioned rooflights on main roof and new/repositioned windows on the rear elevation

    124 Parkway Welwyn Garden City AL8 6HN

    Received 1 Oct 2026
  23. Decided - Granted6/2026/1407/FULL

    Erection of new dwelling and associated hard and soft landscaping following demolition of the existing dwelling and the detached garage.

    11 Georges Wood Road Brookmans Park AL9 7BY

    Received 10 Aug 2026
  24. Decided - GrantedN6/2015/0281/DS

    Approval of details reserved by condition 3 (materials) and 4 (drawings) on planning application N6/2014/2105/FP

    Denmark House, Parkway, Welwyn Garden City, AL8 6JN

    Received 11 Feb 2015

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

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  • 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