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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 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

  1. Decided - GrantedN6/2009/0036/AD

    RETENTION OF NON-ILLUMINATED FASCIA SIGN

    UNIT 4 MALLOW PARK, WATCHMEAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1GX

    Received 8 Jan 2009
  2. Decided - Granted6/2026/0507/EM

    Erection of single storey rear extension

    139 Oakdale Welwyn Garden City AL8 7QS

    Received 18 Mar 2026
  3. Decided - Granted6/2017/0811/HOUSE

    Retention of existing single storey side extension

    85 Brookside Crescent Cuffley Potters Bar EN6 4QP

    Received 20 Apr 2017
  4. Decided - Granted6/2017/1258/COND

    Submission of details pursuant to condition 1 (materials) on planning permission 6/2017/0104/LB dated 22/03/2017

    Barn Theatre Barn Close Welwyn Garden City AL8 6ST

    Received 8 Jun 2017
  5. Decided - GrantedS6/2007/0746/AD

    ERECTION OF AN INTERNALLY ILLUMINATED FREESTANDING SIGN

    Gate House Fretherne Road

    Received 15 May 2007
  6. Decided - Refused6/2020/3229/LAWP

    Lawful development certificate for the creation of a loft conversion with installation of 2 x front velux windows

    111 Eddington Crescent Welwyn Garden City AL7 4SX

    Received 2 Dec 2020
  7. Decided - Granted6/2019/0387/FULL

    Removal & relocation of existing odour abatement chimney stack and associated ductwork on site

    Gilbertson & Page Brownfields Welwyn Garden City AL7 1AN

    Received 20 Feb 2019
  8. Decided - GrantedS6/2007/0959/FP

    ERECTION OF REAR EXTENSION, INSERTION OF FRONT AND REAR DORMER WINDOWS TO GARAGE ROOF AND NEW WINDOWS TO SIDE ELEVATION

    1 Potterells Stables Station Road Welham Green Hatfield AL9 7PG

    Received 27 Jun 2007
  9. Decided - Granted6/2025/0090/EMT

    1 x Apple to reduce by approximately 2m in height and width

    14 Attimore Road Welwyn Garden City AL8 6LW

    Received 21 Jan 2025
  10. Decided - Granted6/2024/0996/HOUSE

    Rebuilding of existing outbuilding

    45 Heathcote Avenue Hatfield AL10 0RQ

    Received 29 May 2024
  11. DecidedN6/2009/0809/TC

    TO LIFT CROWN OF TREE 3257 SILVER BIRCH TO 3.0 METRES

    15 THE CLOISTERS, WELWYN GARDEN CITY, HERTS, AL8 6DU

    Received 1 May 2009
  12. Appeal Decided - Dismissed6/2017/0813/EM

    Erection of a single storey rear extension

    311 Knightsfield Welwyn Garden City AL8 7NJ

    Received 20 Apr 2017
  13. Decided - Granted6/2017/0748/EM

    Erection of single storey rear extension with roof light

    39 Beechfield Road Welwyn Garden City AL7 3RG

    Received 11 Apr 2017
  14. Decided - Granted6/2016/1055/EM

    Extension to existing hardstanding

    38 Woodland Rise, Welwyn Garden City, AL8 7LF

    Received 27 May 2016
  15. Decided - GrantedN6/2005/0746/FP

    ERECTION OF ROOF STORAGE BUILDING

    The Howard Centre Howardsgate

    Received 15 Jun 2005
  16. Decided - GrantedW6/2014/0158/EM

    Erection of single storey side extension

    77 Beehive Lane, Welwyn Garden City, AL7 4BN

    Received 20 Jan 2014
  17. Decided - GrantedS6/2015/1341/HH

    Prior approval for a single storey rear extension

    26 Chelwood Avenue Hatfield AL10 0RE

    Received 25 Jun 2015
  18. Decided - Withdrawn6/2018/1769/LAWP

    Certificate of lawfulness for erection of single storey rear extension

    2 Maple Grove Welwyn Garden City AL7 1NH

    Received 5 Jul 2018
  19. Decided - Granted6/2023/1562/HOUSE

    Raising the roof to accommodate a roof conversion consisting of two front rooflights and two rear dormer windows, single storey rear extension and first floor front extension.

    114 Tolmers Road Cuffley Potters Bar EN6 4JR

    Received 27 Jul 2023
  20. Decided - GrantedC6/1987/0599/FP

    Single storey rear extension

    30 Valley Road, Welwyn Garden City, AL8 7DN

    Received 1 Jan 1987
  21. Decided - Granted6/2018/2878/HOUSE

    Replacement of front entrance lobby and alterations to openings

    43 Becket Gardens Welwyn AL6 9JE

    Received 8 Nov 2018
  22. Decided - Withdrawn6/2025/1872/COND

    Submission of details pursuant to Conditions 1 (schedule of works and repairs methodology), 2 (schedule of works and repairs methodology-the retention of hidden features), 3 (details of the proposed windows, doors, log burners and any new flues for log burners), 4 (details of the insulation), 5 (rainwater goods) on Listed Building consent 6/2022/0867/LB

    Hope & Anchor 2 Station Road Welham Green AL9 7PJ

    Received 2 Sept 2025
  23. Decided - GrantedN6/2015/0047/DS

    Approval of details reserved by condition 4 (samples of materials) of Planning Approval N6/2013/2377/MA

    Oaklands College, The Campus, Welwyn Garden City, AL8 6AH

    Received 13 Jan 2015
  24. Decided - GrantedN6/2014/1644/TP

    Reduction of crown by 30% and lifting of crown by 3-3.6 metres over road and 2.4-3 metres on garden side of Beech Tree covered by TPO388 T1

    Digswell Lodge, Digswell Rise, Welwyn Garden City, AL8 7NU

    Received 17 Jul 2014

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

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    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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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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