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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
40,014Searchable applications
298Recorded as pending
86%Approval rate · 33,556 approved or refused records
4,792Refused applications

28,764 approved · 4,792 refused · 2,199 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2008/0807/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    15 New Road Digswell Welwyn AL6 0AE

    Received 23 May 2008
  2. Decided - Granted6/2025/0016/COND

    Submission of details pursuant to Condition 4 (Construction Traffic and Environmental Management Plan) on planning permission 6/2024/1323/MAJ

    Premier Inn Lemsford Road Hatfield AL10 0DA

    Received 6 Jan 2025
  3. Decided - GrantedS6/2013/0398/FP

    Erection of two detached dwellings with new vehicular access following the demolition of an existing garage

    315 St Albans Road West, HATFIELD, AL10 9RJ

    Received 21 Feb 2013
  4. Decided - Granted6/2019/1992/HOUSE

    Erection of single storey front extension and a single storey, part two storey rear extension

    15 Glebe Road Welwyn AL6 9PB

    Received 9 Aug 2019
  5. Decided - RefusedS6/2006/0196/FP

    ERECTION OF FRONT BOUNDARY WALL AND RAILINGS

    59 The Ridgeway Cuffley Potters Bar EN6 4BD

    Received 14 Feb 2006
  6. Decided - GrantedN6/2013/2109/FP

    Installation of timber garden store

    Tewin Water Farm 3 Hertford Road Digswell Welwyn AL6 0BH

    Received 2 Oct 2013
  7. Decided - GrantedN6/2004/0500/FP

    ERECTION OF REAR CONSERVATORY

    49 Mardley Hill Welwyn AL6 0TT

    Received 31 Mar 2004
  8. Decided - GrantedW6/2007/0794/EM

    ERECTION OF GROUND FLOOR SIDE EXTENSION

    19 Wellcroft Road, Welwyn Garden City, AL7 3LB

    Received 23 May 2007
  9. Decided - Granted6/2017/2864/HOUSE

    Demolition of existing conservatory & erection of single storey flat roof extension.

    3 Downfields Welwyn Garden City AL8 6XR

    Received 8 Dec 2017
  10. Decided - Granted6/2018/0643/COND

    Submission of details pursuant to condition 2a (hard and soft landscape plans related to levels), b (means of enclosure), c (parking), d (access), e (hard surfacing), g (planting plans), h (details of planting), i (details of siting and timing) and j (details of management and maintenance) on planning permission 6/2016/2706/MAJ

    Ponsbourne Grange Ponsbourne Park Newgate Street Hertford SG13 8QS

    Received 7 Mar 2018
  11. Decided - GrantedS6/2013/0350/LUP

    Certificate of lawfulness for the erection of first floor rear extension

    1 The Cottages Shepherds Way Brookmans Park Hatfield AL9 6NJ

    Received 15 Feb 2013
  12. Decided - Granted6/2016/2271/EM

    Erection of a single storey rear extension

    17 Sandpit Road Welwyn Garden City AL7 3TW

    Received 31 Oct 2016
  13. Decided - GrantedN6/2007/1065/FP

    PROPOSED REPLACEMENT OUTBUILDING

    2 Ruins Cottages Hill Farm Lane Ayot St Lawrence Welwyn AL6 9BU

    Received 17 Jul 2007
  14. Decided - Granted6/2021/1568/EMH

    Erection of a single storey front extension to replace porch canopy & external cupboard

    47 Howicks Green Welwyn Garden City AL7 4RJ

    Received 17 May 2021
  15. Decided - Granted6/2024/1840/COND

    Submission of details pursuant to condition number 4 (Remediation Strategy and Verification Plan) on planning permission 6/2023/0759/VAR

    Hill-Top Neighbourhood Centre High View Hatfield AL10 8HZ

    Received 25 Sept 2024
  16. Decided - GrantedN6/2014/0766/FP

    Erection of single storey retail unit below two storey two bedroom dwelling and alterations to adjacent single storey unit following demolition of existing single storey retail unit

    Old Welwyn Florist 36 High Street Welwyn, AL6 9EQ

    Received 3 Apr 2014
  17. Decided - Granted6/2016/2078/EM

    Erection of shed in rear garden

    10 Graysfield, Welwyn Garden City, AL7 4BL

    Received 26 Sept 2016
  18. Decided - GrantedN6/2013/1270/TP

    Reduce and shape crown volume of Oak by a maximum of 20%, equating to approximately 3m in length and a crown clean to remove dead and broken branches covered by TPO 126

    24 Carleton Rise Welwyn AL6 9RF

    Received 18 Jun 2013
  19. Decided - GrantedS6/2007/0245/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION TO GARAGE

    43 Mymms Drive Brookmans Park Hatfield AL9 7AE

    Received 14 Feb 2007
  20. Decided - GrantedW6/2008/0671/EM

    ERECTION OF REAR EXTENSION

    11 CRANBORNE GARDENS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3NF

    Received 4 Apr 2008
  21. Under Consideration6/2026/1091/HOUSE

    Erection of a detached outbuilding for use as a habitable residential annex ancillary to the main dwellinghouse

    12 Melbourne Court Welwyn Garden City AL8 6LL

    Received 24 Jun 2026
  22. Decided - GrantedS6/2015/1385/HOUSE

    Erection of single storey side and rear extension

    4 Hamilton Court Hatfield AL10 8XU

    Received 26 Jun 2015
  23. Decided - Granted6/2025/2082/HOUSE

    Installation of a gate following the partial demolition of the rear garden boundary wall

    33 Salmon Close Welwyn Garden City AL7 1TR

    Received 1 Oct 2025
  24. Decided - Granted6/2020/2253/EMT

    Fell 1x Dead and dangerous tree

    15 Digswell Park Road Welwyn Garden City AL8 7NW

    Received 3 Sept 2020

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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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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