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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - GrantedN6/2008/0465/FP

    ERECTION OF SINGLE STOREY FRONT AND REAR EXTENSIONS

    1A The Drive Welwyn AL6 0TW

    Received 17 Mar 2008
  2. Decided - Withdrawn6/2023/1198/TC

    Crab apple (approx total height 4m, 240cm height of main trunk) - fell to ground, as tree is long dead and leaning over onto boundary hedges and risks causing damage

    5 Densley Close Welwyn Garden City AL8 7JX

    Received 6 Jun 2023
  3. Decided - GrantedS6/2009/1505/DS

    DISCHARGE OF CONDITION 2 (MATERIALS OF PLANNING PERMISSION S6/2007/0242/FP)

    12 Hawkshead Lane, Hatfield, AL9 7TB

    Received 16 Jul 2009
  4. Decided - GrantedS6/2009/2702/LB

    ALTERATIONS INCLUDE: NEW WINDOW IN THE WEST WING NORTH ELEVATION, 1ST FLOOR; ROOF LANTERN IN FLAT ROOF OF WEST WING; FORMATION OF TWO ACCESS HATCHED TO ROOF GUTTERS INTERNAL ALTERATIONS TO SECOND FLOOR TO REARRANGE BATHROOMS; REDESIGN OF 20TH CENTURY STAIRCASES TO 2ND FLOOR AND WEST WING, REOPEN BLOCKED DOORWAY BETWEEN ORIGINAL DINING ROOM AND MORNING ROOM, ALTERATIONS TO 20TH CENTURY CORNICES, DOOR SURROUNDS IN ENTRANCE HALL, REPLACE 20TH CENTURY FLOOR BOARDS ON GROUND FLOOR, STRIPOUT BATHROOM ON FIRST FLOOR AND REINSTATE SOUTH EAST ROOM , REPLAN KITCHEN AND BATHROOM IN BASEMENT

    1 NORTHAW PLACE, COOPERS LANE, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4NQ

    Received 17 Dec 2009
  5. Decided - Granted6/2020/1265/EMT

    Reduce 1 x Lawson Cypress Tree by 4m

    29 Archers Ride Welwyn Garden City AL7 4PR

    Received 4 Jun 2020
  6. Decided - GrantedS6/2008/1514/DS

    DISCHARGE OF CONDITIONS 2,4 & 5 OF PLANNING PERMISSION S6/2006/0417/FP

    23 Hill Rise, Potters Bar, EN6 4EH

    Received 20 Aug 2008
  7. DecidedN6/2014/2390/TC

    Work to Oak Trees T1 & T3 to uplift/crown reduce by 15 - 25%

    38 Reddings, Welwyn Garden City, AL8 7LA

    Received 25 Sept 2014
  8. Decided - Granted6/2018/2395/EM

    Erection of single storey side and rear extension and replacement chimney

    13 Handside Close Welwyn Garden City AL8 6SR

    Received 18 Sept 2018
  9. DecidedN6/2014/1544/TC

    Reduce Hornbeam tree by 20% and removal of trunk

    2 Beehive Green, Welwyn Garden City, AL7 4BE

    Received 7 Jul 2014
  10. Decided - Granted6/2024/0053/EMT

    Fell Indian Bean tree due to rot

    314 Knightsfield Welwyn Garden City AL8 7NQ

    Received 8 Jan 2024
  11. Decided - Granted6/2018/3167/EM

    Repollard back to previous points 4 x Common Lime trees (T1, T2, T3, T4)

    9 Youngs Rise Welwyn Garden City AL8 6RT

    Received 12 Dec 2018
  12. Decided - Granted6/2024/0046/HOUSE

    Erection of single storey rear extension, internal garage conversion and alterations to openings to side elevation

    20 Coltsfoot Welwyn Garden City AL7 3HZ

    Received 8 Jan 2024
  13. Decided - Withdrawn6/2017/1601/EM

    Change of use and conversion of existing double garage to self-contained annex

    1 Stanborough Mews Welwyn Garden City AL8 6DB

    Received 24 Jul 2017
  14. Decided - Granted6/2017/1423/HOUSE

    Erection of a single storey front and rear extension and remodelling of rear garden.

    32 Carleton Rise Welwyn AL6 9RF

    Received 30 Jun 2017
  15. Decided - Refused6/2025/2156/LB

    Replace windows and secondary double glazing with UPVC double glazing (Like for like) and replace the living room windows with French doors

    117 Knightsfield Welwyn Garden City AL8 7JD

    Received 10 Oct 2025
  16. Decided - Refused6/2024/1019/LAWP

    Certificate of lawfulness for the erection of a two storey rear extension and two single storey extensions.

    93 Harmer Green Lane Digswell Welwyn AL6 0EY

    Received 31 May 2024
  17. Decided - Granted6/2021/0721/LAWP

    Certificate of lawfulness for the erection of an indoor swimming pool

    38 Reynards Road Welwyn AL6 9TP

    Received 4 Mar 2021
  18. Decided - Granted6/2019/2671/ADV

    Installation of 1x internally illuminated freestanding media screen sign and 3x non-illuminated freestanding flag pole signs

    Tesco Stores Ltd Great North Road Hatfield AL9 5JY

    Received 23 Oct 2019
  19. Decided - RefusedN6/2008/0533/MA

    ERECTION OF FOURTEEN SEMI-DETACHED DWELLINGS WITH ASSOCIATED PARKING AND LANDSCAPING, FOLLOWING DEMOLITION OF EXISTING DWELLINGS

    Land at 3, 5, 7 & 9 Canonsfield Road and 52 Great North Road Welwyn AL6 0PY

    Received 7 Mar 2008
  20. Appeal Decided - Dismissed6/2024/0241/HOUSE

    Installation of an air source heat pump at front of property

    220 Daniells Welwyn Garden City AL7 1QQ

    Received 6 Feb 2024
  21. Decided - Granted6/2023/1910/FULL

    Erection of a three storey rear extension and reconfiguration of existing building for B1 use with associated works

    68 Great North Road Hatfield AL9 5ER

    Received 14 Sept 2023
  22. Decided - GrantedS6/2014/0867/DS

    Approval of details reserved by condition 3 (crown roof details) of planning permission S6/2014/0227/FP

    17 Kingsmead, Cuffley, Potters Bar, EN6 4AN

    Received 15 Apr 2014
  23. Decided - Granted6/2020/1257/LAWP

    Conversion of garage into habitable room

    59 Bradmore Way Hatfield AL9 7QZ

    Received 4 Jun 2020
  24. Decided - GrantedN6/2013/1984/DS

    Discharge of condition 2 (materials) of planning permission N6/2013/1083/FP - Replacement windows to South Wing of building

    Rosanne House, Bridge Road, Welwyn Garden City, AL8 6UB

    Received 9 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

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How to search planning applications

Guides to planning records

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    Planning application documents: what to read first

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  • 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