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
39,476Searchable applications
344Recorded as pending
86%Approval rate · 33,031 approved or refused records
4,721Refused applications

28,310 approved · 4,721 refused · 2,162 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 Oct 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 Counts reflect the last collected status; some records may be out of date.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. Appeal Decided - DismissedN6/2009/0121/FP

    ERECTION OF TWO STOREY REAR EXTENSION, FRONT PORCH, ALTERATION TO EXISTING ROOF STRUCTURE, INSERTION OF DORMER WINDOW AND CHIMNEY AND ERECTION OF REAR BALCONY

    15 LEMSFORD VILLAGE, LEMSFORD, WELWYN GARDEN CITY, AL8 7TN

    Received 20 Jan 2009
  2. Decided - Granted6/2017/0161/HOUSE

    Erection of single storey rear extension with roof light, following demolition of existing conservatory

    14 Howlands Welwyn Garden City AL7 4RD

    Received 27 Jan 2017
  3. Decided - Granted6/2020/0535/HOUSE

    Erection of a single storey rear extension and raised patio

    36 The Gardens Hatfield AL9 7UL

    Received 25 Feb 2020
  4. Decided - Granted6/2023/0770/TPO

    T14 pine, T16 pine, T37A unknown, 37C holly, 37D holly and hawthorn, T41 oak, T57 oak, T75 ash, T96 hawthorn, T112A hawthorn and elder group - all to fell. Group A - to fell. T36 sycamore - all to crown lift to 4m height clearance over gardens. T37B oak - remove broken stem & crown lift to 4m height over building. T45 oak, T46 oak - crown lift to 4m above ground level. T56 oak - to crown lift to provide 3m height clearance. T74 oak, T117 hornbeam, T119 hornbeam, T121A hornbeam, T124 hornbeam, T125 hornbeam - to crown lift to 2m above ground level. T112 ash - to remove broken branch stubs. Deadwooding is exempt from application: T55 pine, T72 pine, T76 oak, T78 oak, T79, T112 ash, T120 ash, T121 ash. All trees covered by TPO 632 (2017) W1

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 6 Apr 2023
  5. Decided - Granted6/2024/0513/LAWP

    Certificate of lawfulness for part single storey rear extension

    120 Northdown Road Hatfield AL10 8SP

    Received 18 Mar 2024
  6. Decided - Granted6/2026/0569/EM

    Erection of two garden sheds in rear garden

    10 Marley Road Welwyn Garden City AL7 4BS

    Received 30 Mar 2026
  7. Decided - GrantedS6/2009/1551/FP

    CONVERSION OF EXISTING DOUBLE GARAGE

    101 BROOKMANS AVENUE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7QG

    Received 17 Jul 2009
  8. Decided - Granted6/2024/0498/ADV

    To the Stonehills elevation 1: Replace 1no. Projecting signage with new 500mm, Replace 2no. Logo with 2no. New 400mm Lozenge logo height, Replace 1no. ATM surround and decals with new, Replace statutory signage with new. Replace safety manifestation with new, minor decoration to shopfronts to match existing. To the side elevation: Replace 1no. Projecting signage with new 500mm, Replace 2no. Logo with 2no. New 400mm Lozenge logo height, Install new window message "A good way to bank”, Replace safety manifestation with new and minor decoration to shopfronts to match existing.

    21 Stonehills Welwyn Garden City AL8 6NA

    Received 14 Mar 2024
  9. Decided - Granted6/2021/2117/HOUSE

    Erection of single storey rear extension

    29 Upperfield Road Welwyn Garden City AL7 3LP

    Received 14 Jul 2021
  10. Decided - GrantedS6/2007/1540/MA

    REMOVAL OF PLANNING CONDITION 1 FROM PREVIOUS PLANNING PERMISSION S6/2002/1780/FP

    WHITE LODGE FARM, BULLS LANE, BROOKMANS PARK, HERTFORDSHIRE, AL9 7AZ

    Received 13 Dec 2007
  11. Decided - GrantedW6/2013/2188/EM

    Formation of vehicle hardstanding

    123 The Commons, Welwyn Garden City, AL7 4RZ

    Received 21 Oct 2013
  12. Decided - Granted6/2026/1477/HOUSE

    Retention of single storey timber structure as gym and addition of storm porch

    4 Brookmans Avenue Brookmans Park AL9 7QJ

    Received 21 Aug 2026
  13. Decided - GrantedC6/1988/0521/FP

    Consent for exensions to provide new boiler houses and assoicated flues

    Queen Elizabeth II Hospital, Howlands, Welwyn Garden City, AL7 4HQ

    Received 1 Jan 1988
  14. Decided - GrantedN6/2014/1487/FP

    Erection of two storey and single storey side and rear extensions

    6 Homestead Lane, Welwyn Garden City, AL7 4LU

    Received 2 Jul 2014
  15. Decided - WithdrawnN6/2004/1714/FP

    ERECTION OF DETACHED GARAGE WITH WORKSHOP OVER, AND ASSOCIATED LANDSCAPE WORKS

    2 Firway Welwyn AL6 0RD

    Received 18 Nov 2004
  16. Decided - Granted6/2021/3321/HOUSE

    Erection of a single storey rear extension

    145 Parkway Welwyn Garden City AL8 6JB

    Received 24 Nov 2021
  17. DecidedN6/2014/1766/TC

    Removal of dead Walnut tree

    66 Valley Road, Welwyn Garden City, AL8 7DN

    Received 5 Aug 2014
  18. Decided - GrantedS6/2007/1941/LB

    ERECTION OF SINGLE STOREY AND TWO STOREY REAR EXTENSION

    THE WHEATSHEAF, WEST END LANE, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6AU

    Received 18 Dec 2007
  19. Decided - Granted6/2021/1834/EM

    Erection of shed

    28 Great Dell Welwyn Garden City AL8 7HY

    Received 14 Jun 2021
  20. Decided - GrantedN6/2008/1241/FP

    EXTENSION TO EXISTING CAR PARK AND ALTERATIONS TO LAYOUT.

    TESCO STORES LTD, BESSEMER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1HB

    Received 21 Jul 2008
  21. Decided - GrantedN6/2009/2491/FP

    EXTENSION TO CAR PARK TO FORM 9 ADDITIONAL SPACES (RENEWAL OF PREVIOUS PERMISSION N6/2006/1409/FP)

    FREE CHURCH, CHURCH ROAD, WELWYN GARDEN CITY, HERTS, AL8

    Received 11 Nov 2009
  22. Decided - RefusedS6/2009/2716/FP

    ERECTION OF TWO STOREY SIDE EXTENSION

    Tolmers Lodge Carbone Hill Northaw Hertford SG13 8RG

    Received 22 Dec 2009
  23. Decided - RefusedS6/2006/0589/FP

    DEMOLITION OF EXISTING DWELLING AND GARAGE AND REPLACEMENT WITH 5 BEDROOM DWELLING WITH INTEGRAL GARAGE

    44 Vineyards Road Northaw Potters Bar EN6 4PA

    Received 5 May 2006
  24. Decided - Granted6/2025/0646/COND

    Submission of details pursuant to condition 20 (Hard & Soft Landscape Plan), condition 21 (Cycles Parking Scheme), condition 22 (Motorcycles Parking Scheme) and condition 23 (Car Parking Layout Plan) on planning permission 6/2022/2249/VAR

    Hertfordshire Constabulary Stanborough Road Welwyn Garden City AL8 6XF

    Received 3 Apr 2025

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.

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