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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
40,042Searchable applications
298Recorded as pending
86%Approval rate · 33,582 approved or refused records
4,795Refused applications

28,787 approved · 4,795 refused · 2,201 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/1645/TPO

    Fell 1 x Douglas Fir tree - Covered by TPO 272 (2003)

    1 Adele Avenue Digswell Welwyn AL6 0AU

    Received 26 Jul 2017
  2. Decided - Granted6/2016/1502/EM

    Part garage conversion and alterations to openings with small front infill extension

    41 Woodhall Lane, Welwyn Garden City, AL7 3TB

    Received 21 Jul 2016
  3. Appeal Decided - Dismissed6/2018/1462/OUTLINE

    Outline permission for erection of one dwelling

    14 Great North Road Welwyn AL6 0PL

    Received 1 Jun 2018
  4. Decided - WithdrawnN6/2004/1212/FP

    ERECTION OF PART TWO STOREY AND PART SINGLE STOREY REAR EXTENSION AND ALTERATIONS

    38 Digswell Road Welwyn Garden City AL8 7PA

    Received 9 Aug 2004
  5. Decided - GrantedN6/2007/1610/TP

    VARIOUS WORKS TO TREES COVERED BY TPO 48 G1 & G2

    16 The Green Welwyn AL6 9EA

    Received 29 Oct 2007
  6. Decided - Withdrawn6/2016/2659/HOUSE

    Extension of existing mezzanine floor internally above the pool

    1 Northaw Place Coopers Lane Northaw Potters Bar EN6 4NQ

    Received 14 Dec 2016
  7. Decided - GrantedS6/2014/0382/DS

    Discharge of condition 4 (materials) & 9 (hard landscaping) of planning permission S6/2012/1181/MA

    University of Hertfordshire, College Lane, Hatfield, AL10 9AB

    Received 20 Feb 2014
  8. Decided - Granted6/2021/3165/EMH

    Extension to first floor bathroom and creation of a cycle store

    147 Parkway Welwyn Garden City AL8 6JB

    Received 4 Nov 2021
  9. Decided - Granted6/2020/3456/EM

    Part garage conversion

    75 Broomhills Welwyn Garden City AL7 1RE

    Received 24 Dec 2020
  10. Decided - Granted6/2018/1966/EM

    Crown reduce T1, Cherry by 30% to reduce height and laterals.

    43 Beehive Lane Welwyn Garden City AL7 4BJ

    Received 26 Jul 2018
  11. Decided - GrantedS6/2008/1948/MA

    DEMOLITION OF ATCOST BARNS, REMOVAL OF BUILDERS YARD AND HARDSTANDINGS. REPAIR AND RESIDENTIAL CONVERSION OF HISTORIC STOCK BUILDINGS TO CREATE SIX (FIVE X 2 BED, ONE X 3 BED) DWELLINGS AND CONSTRUCTION OF FIVE, 3 BED TERRACE HOUSES WITH ASSOCIATED PARKING AND LANDSCAPING

    LOWER WOODSIDE FARM, LOWER WOODSIDE, WILDHILL ROAD, BROOKMANS PARK, HERTFORDSHIRE, AL9 6DH

    Received 9 Oct 2008
  12. Decided - Granted6/2017/2578/EM

    Change of use from single dwelling to House in Multiple Occupation (HMO)

    5 Little Rivers Welwyn Garden City AL7 1QJ

    Received 7 Nov 2017
  13. Decided - Granted6/2023/0894/FULL

    Change of use from industrial unit to provide 7 residential dwellings, together with associated landscaping, amenity space, parking, refuse storage and access from Welham Manor following demolition of existing buildings and structures

    Unit 1 51 Welham Manor Welham Green Hatfield AL9 7EL

    Received 26 Apr 2023
  14. Decided - Granted6/2018/2596/EM

    Reduce 1 x Oak tree by 30%

    25 Rosedale Welwyn Garden City AL7 1DW

    Received 10 Oct 2018
  15. Decided - Withdrawn6/2025/1531/HOUSE

    Erection of single storey front, side and rear extensions, garage conversion, following demolition of the conservatory, part first floor side and rear extension, removal of chimney and alteration to rear window opening

    7 Selwyn Drive Hatfield AL10 9NH

    Received 16 Jul 2025
  16. Decided - Split6/2019/2588/COND

    Submission of details pursuant to condition 4 (remediation) on planning permission 6/2015/1984/FULL

    2 New Road Welwyn Garden City AL8 7TX

    Received 15 Oct 2019
  17. Decided - GrantedW6/2004/0947/EM

    FORMATION OF VEHICLE ACCESS AND HARDSTANDING.

    127 Blythway, Welwyn Garden City, AL7 1DN

    Received 23 Jun 2004
  18. Decided - Granted6/2017/2815/EM

    Erection of rear conservatory

    74 Woodhall Lane Welwyn Garden City AL7 3TF

    Received 1 Dec 2017
  19. Decided - Granted6/2022/0887/EM

    General Alterations to the front and rear elevations including, new bike store, wall infill and replacement of sliding doors.

    23 Mount Way Welwyn Garden City AL7 4LD

    Received 13 Apr 2022
  20. Decided - Granted6/2019/0454/LAWP

    Certificate for lawfulness for the erection of outbuilding as an office

    44 Stockbreach Road Hatfield AL10 0BD

    Received 27 Feb 2019
  21. Decided - GrantedS6/2006/0628/FP

    REPLACEMENT TO SPACING OF FENESTRATION TO FRONT PROJECTING BAYS (AMENDMENTS TO PLANNING PERMISSION S6/2005/0959/FP)

    FLATS 1, 1-3 GEORGES WOOD ROAD, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7BY

    Received 15 May 2006
  22. Decided - Refused6/2016/1833/HOUSE

    Erection of two storey side and single storey front and rear extension

    8 North Ride Welwyn AL6 9RD

    Received 5 Sept 2016
  23. Decided - GrantedW6/2009/1467/EM

    ERECTION OF SINGLE STOREY EXTENSION, ALTERATION TO WINDOWS ON SIDE AND REAR ELEVATIONS TO INCLUDE FRENCH DOORS AT GROUND FLOOR LEVEL AND SAFETY RAILINGS AT FIRST FLOOR LEVEL

    11A GUESSENS ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6QW

    Received 14 Jul 2009
  24. Decided - Granted6/2018/3222/VAR

    Variation of condition 3 (Plans) on approved planning 6/2018/1650/FULL

    21 Brookmans Avenue Brookmans Park Hatfield AL9 7QH

    Received 18 Dec 2018

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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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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