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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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 1 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/0802/TPO

    1 x Oak tree – On the north and easterly direction, a lateral reduction of approximately 2.5-3m (not exceeding previous pruning points). In the westerly direction (towards No.4) approximately 5m (this will exceed previous pruning points). Southerly to be reduced approximately 3m (not exceeding previous pruning points). (TPO 812 (2018) T5)

    4 Nathans Close Welwyn AL6 9QB

    Received 29 Apr 2024
  2. Decided - Granted6/2024/0286/EM

    Erection of rear single storey extension

    2 Linkfield Welwyn Garden City AL7 4DW

    Received 12 Feb 2024
  3. Decided - Granted6/2017/0781/HOUSE

    Erection of single storey side extension and internal alterations

    51 Moffats Lane Brookmans Park Hatfield AL9 7RT

    Received 13 Apr 2017
  4. Decided - Granted6/2025/2430/COND

    Submission of details pursuant to condition number 19 (drainage) on planning permission 6/2022/2317/MAJ

    Videne Hawkshead Road Little Heath Potters Bar EN6 1LX

    Received 19 Nov 2025
  5. Decided - Granted6/2024/1987/COND

    Submission of details pursuant to condition 1 (Drawing no. 24 521 PL 200 proposed landscaping plan) and condition 5 (Drawing no. 24 521 PL 201proposed front boundary wall and gates) on planning permission 6/2024/1216/FULL

    32 Pine Grove Brookmans Park AL9 7BS

    Received 15 Oct 2024
  6. Decided - Granted6/2024/0504/VAR

    Variation of condition 5 (approved plans) on planning permission 6/2022/0332/FULL

    Eastbridge Service Station Bridge Road East Welwyn Garden City AL7 1LE

    Received 14 Mar 2024
  7. Decided - Granted6/2018/2940/EM

    Erection of front porch and replacement of existing garage roof to pitched tiled roof

    Digswell Water House Digswell Lane Welwyn AL6 0BY

    Received 15 Nov 2018
  8. Decided - Granted6/2025/0488/EM

    Replacement of front door and bay window due to the fact they are worn

    15 Downfields Welwyn Garden City AL8 6XR

    Received 17 Mar 2025
  9. Decided - GrantedN6/2004/0122/FP

    ERECTION OF A SINGLE STOREY REAR EXTENSION

    119 Sloansway Welwyn Garden City AL7 1NF

    Received 28 Jan 2004
  10. Decided - GrantedN6/2008/0834/CA

    ERECTION OF TWO STOREY REAR EXTENSION FOLLOWING DEMOLITION OF EXISTING SINGLE STOREY REAR EXTENSION

    25 BLAKEMERE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PQ

    Received 27 May 2008
  11. Decided - GrantedN6/2006/0412/TP

    WORKS TO TREES COVERED BY TPO 274

    42A New Road Digswell Welwyn AL6 0AH

    Received 30 Mar 2006
  12. Decided - GrantedN6/2014/1549/FP

    Erection of single storey front extension

    21 Windsor Road Welwyn AL6 9JH

    Received 10 Jul 2014
  13. Decided - Granted6/2018/2906/EM

    Crown Lift by 4-5m 1x Oak tree

    64 Brockswood Lane Welwyn Garden City AL8 7BQ

    Received 5 Nov 2018
  14. Decided - GrantedN6/2005/1415/FP

    ERECTION OF CONSERVATORY

    3 Woodland Way Welwyn AL6 0RZ

    Received 11 Nov 2005
  15. Decided - GrantedS6/2008/0025/FP

    CONVERSION OF GARAGE INTO A HABITABLE ROOM

    21 Great Braitch Lane Hatfield AL10 9FD

    Received 4 Jan 2008
  16. Decided - WithdrawnH/1991/5371/EM

    Erection of 6ft high rear boundary fence with gate

    13 Redhall Drive Hatfield AL10 9EB

    Received 1 Jan 1991
  17. Decided - WithdrawnN6/2006/0031/FP

    CONVERSION AND EXTENSION OF EXISTING PUMPING STATION TO FORM NEW DWELLING WITH ASSOCIATED ACCESS, PARKING AND LANDSCAPING

    Pump House Orchard Road Welwyn AL6 9EX

    Received 10 Jan 2006
  18. Decided - Granted6/2021/1654/HOUSE

    Block up low window on front elevation, insert 1 x higher window on side elevation

    9 Archfield Welwyn Garden City AL7 1UH

    Received 24 May 2021
  19. Decided - Granted6/2021/1178/HOUSE

    Erection of a two storey side to rear extension

    51 Roe Green Close Hatfield AL10 9PF

    Received 12 Apr 2021
  20. Decided - Withdrawn6/2019/0727/FULL

    Erection of single storey side extension, installation of sliding shopfront door with ramp, bin store and plant store

    Bell Bar Service Station Great North Road Hatfield AL9 6DA

    Received 27 Mar 2019
  21. Decided - WithdrawnW6/2015/1413/EM

    Erection of a single storey rear extension

    79 Longcroft Lane Welwyn Garden City AL8 6EL

    Received 30 Jun 2015
  22. Decided - GrantedS6/2004/0652/FP

    REPLACEMENT OF REAR CONSERVATORY (EXISTING CONSERVATORY ALREADY APPROVED)

    9 Knolles Crescent Welham Green Hatfield AL9 7DZ

    Received 30 Apr 2004
  23. Decided - Granted6/2016/1205/EM

    Installation of garage door

    279 Knightsfield, Welwyn Garden City, AL8 7RA

    Received 14 Jun 2016
  24. Decided - GrantedS6/2013/2070/LUE

    Certificate of lawfulness for existing use of house in multiple occupation

    66 Deerswood Avenue Hatfield AL10 8SA

    Received 25 Sept 2013

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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