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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
40,154Searchable applications
303Recorded as pending
86%Approval rate · 33,678 approved or refused records
4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/1130/EMT

    1 x Apple to reduce by approximately 1m in height and width to retain size of tree for garden

    84 Valley Road Welwyn Garden City AL8 7DP

    Received 17 Jun 2024
  2. Decided - RefusedN6/2015/0423/FP

    Partial retention and alterations to existing front porch

    1 Birds Close, Welwyn Garden City, AL7 4AR

    Received 4 Mar 2015
  3. Decided - Refused6/2023/1464/PN15

    Prior approval for the installation of 15m 5G telecoms installation: H3G street pole and additional equipment cabinets.

    Ingles Street Works Welwyn Garden City AL8 7HL

    Received 14 Jul 2023
  4. Decided - Granted6/2018/1001/COND

    Submission of details pursuant to condition 1 (noise reduction scheme regarding traffic noise) on planning permission 6/2017/0547/FULL, dated 29/01/2018

    Land adjacent to 82 Great North Road Welwyn AL6 0TA

    Received 17 Apr 2018
  5. Decided - GrantedN6/2004/0835/FP

    ERECTION OF PART TWO STOREY PART SINGLE STOREY SIDE EXTENSION AND TWO STOREY FRONT EXTENSION

    10 North Ride Welwyn AL6 9RD

    Received 7 Jun 2004
  6. Decided - GrantedW6/2015/1292/TE

    Removal of Fir tree

    5 Fern Grove Welwyn Garden City AL8 7ND

    Received 17 Jun 2015
  7. Decided - Granted6/2017/2658/EM

    1 x Goat Willow to fell to ground level

    29 Reddings Welwyn Garden City AL8 7LA

    Received 14 Nov 2017
  8. Decided - Granted6/2024/1394/HOUSE

    Installation of 12 Solar PV Panels on Ground Mounted Frame in Rear Garden

    30 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 22 Jul 2024
  9. Decided - Granted6/2018/1494/VAR

    Variation of condition 1 (approved plans and details) on planning permission 6/2015/1960/FULL

    Unit 13 Peartree Farm Welwyn Garden City AL7 3UW

    Received 1 Jun 2018
  10. Decided - GrantedS6/2005/1449/FP

    DEMOLITION OF EXISTING DWELLING AND ERECTION OF REPLACEMENT DWELLING

    Willow Mead Vineyards Road Northaw Potters Bar EN6 4PG

    Received 22 Nov 2005
  11. Decided - Granted6/2021/1175/HOUSE

    Erection of a single storey rear extension and side windows

    3 Witchford Welwyn Garden City AL7 2PR

    Received 12 Apr 2021
  12. Decided - Granted6/2020/1023/TPO

    Fell 1 x dead Scots Pine Tree (T62) (TPO 260)

    24 Mornington Digswell Welwyn AL6 OAJ

    Received 6 May 2020
  13. Decided - Granted6/2018/1561/HOUSE

    Installation 8 CCTV Cameras

    1 Coneydale Welwyn Garden City AL8 7RX

    Received 12 Jun 2018
  14. Decided - Granted6/2016/1260/EM

    Formation of hardstanding

    3 Stacklands, Welwyn Garden City, AL8 6XW

    Received 23 Jun 2016
  15. Decided - GrantedS6/2009/1121/FP

    DEMOLITION OF EXISTING BUNGALOW AND ERECTION OF A NEW FIVE BEDROOM DETACHED DWELLING

    1 TOLMERS AVENUE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4QE

    Received 5 Jun 2009
  16. Decided - GrantedN6/2008/0041/FP

    ERECTION OF FRONT BOUNDARY WALL, WITH BRICK PIERS AND ELECTRONIC SLIDING GATES

    3 Woodland Way Welwyn AL6 0RZ

    Received 9 Jan 2008
  17. Decided - Granted6/2025/2593/HOUSE

    Erection of a side, front and rear extension following the demolition of conservatory and part of existing house

    Oak Lodge Ponsbourne Manor Newgate Street Village Hertford SG13 8QR

    Received 18 Dec 2025
  18. Decided - GrantedS6/2007/1792/FP

    ERECTION OF TWO STOREY & SINGLE STOREY REAR EXTENSION AN TWO STOREY & SINGLE STOREY SIDE EXTENSION, FOLLOWING DEMIOLITION OF EXISTING GARAGE

    27 SELWYN DRIVE, HATFIELD, HERTFORDSHIRE, AL10 9NH

    Received 26 Nov 2007
  19. Decided - Withdrawn6/2019/3176/EM

    Erection of part single side and rear with part two storey rear extensions

    12 Archers Ride Welwyn Garden City AL7 4PS

    Received 18 Dec 2019
  20. Decided - WithdrawnW6/2014/1810/EM

    Erection of two storey rear extension, three dormer windows, insertion of five rooflights and partial change of use to form a residential dwelling

    Handside Post Office, Marsden Road, Welwyn Garden City, AL8 6YQ

    Received 12 Aug 2014
  21. Decided - Refused6/2018/1000/HOUSE

    Installation of 3 front dormer windows, 3 rear dormer windows and raising of roof height to facilitate loft conversion to habitable space

    8 Mardley Hill Welwyn AL6 0TN

    Received 17 Apr 2018
  22. Decided - Granted6/2020/3146/EM

    Erection of a single storey rear extension

    149 Howlands Welwyn Garden City AL7 4RL

    Received 24 Nov 2020
  23. Decided - Granted6/2020/0421/COND

    Submission of details pursuant to condition 8 part 2 (bat surveys) on planning permission 6/2018/2943/MAJ

    Royal Veterinary College Hawkshead Lane Hatfield AL9 7TA

    Received 14 Feb 2020
  24. Decided6/2018/2202/TPO

    Fell 1x Popular tree -Conservation area

    32 Heather Road Welwyn Garden City AL8 6XU

    Received 24 Aug 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

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 application documents: what to read first

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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

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  • 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.

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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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