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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
40,297Searchable 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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/0331/HOUSE

    Erection of side extension incorporating 3 x pitched roof dormers to first floor

    Tsalta Digswell Lane Welwyn AL6 0SN

    Received 20 Feb 2017
  2. Decided - Granted6/2025/0350/OUTLINE

    Outline permission for the erection of one dwelling with all matters reserved except for access

    Land rear of 14 Great North Road Welwyn Garden City AL6 0PL

    Received 25 Feb 2025
  3. Decided - Granted6/2017/2693/FULL

    Erection of a 6-bedroom detached house following demolition of existing bungalow and garage

    47 Pine Grove Brookmans Park Hatfield AL9 7BL

    Received 20 Nov 2017
  4. Decided - GrantedW6/2009/1757/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    31 ROSEDALE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1DW

    Received 12 Aug 2009
  5. DecidedN6/2014/2195/TC

    Reduce Hornbeam tree by 30%

    25 Elm Gardens, Welwyn Garden City, AL8 6RX

    Received 6 Oct 2014
  6. Decided - Granted6/2026/0311/COND

    Submission of details pursuant to condition number 13 (Proposed cycle store) and 15 (Proposed bin store) on planning permission 6/2024/1512/MAJ (NMA1)

    Elizabeth House Elizabeth Close Welwyn Garden City AL7 2JB

    Received 19 Feb 2026
  7. Decided - GrantedW6/2014/1074/TE

    Removal of Eucalylptus tree

    38 High Oaks Road, Welwyn Garden City, AL8 7BS

    Received 27 May 2014
  8. Decided - Granted6/2024/1042/TPO

    T4 Oak Tree - reduction to previous points 25%

    7 Bluebells Welwyn AL6 0XD

    Received 4 Jun 2024
  9. Decided - GrantedN6/2009/2440/DS

    DISCHARGE OF CONDITIONS RELATING TO PLANNING PERMISSION N6/2009/1716/FP and N6/2009/2433/LB

    THE WELLINGTON, HIGH STREET, WELWYN, HERTFORDSHIRE, AL6 9LZ

    Received 12 Nov 2009
  10. Decided - Granted6/2026/0107/EMT

    1 x Apple to prune canopy by around 0.5m in height and 1m on overlong lateral branches. 2 x Plum to reduce by around 2.5m height and reduce width by 1.2 to balance shape ensuring to cut back harder over neighbouring garden and lawn area.

    358 Knightsfield Welwyn Garden City AL8 7NG

    Received 23 Jan 2026
  11. Decided - Granted6/2023/1064/VAR

    Variation of condition 11 (approved plans) to allow for alterations to roof design approved under planning permission 6/2021/3319/FULL

    2 Theobalds Road Cuffley Potters Bar EN6 4HQ

    Received 19 May 2023
  12. Decided - GrantedS6/2007/0468/FP

    INSTALLATION OF TWO 300MM DISH ANTENNAS ON EXISTING MAST.

    Land at Three Valleys Water Bishops Rise Hatfield AL10 9JL

    Received 20 Mar 2007
  13. Decided - GrantedN6/2009/1409/TP

    REDUCTION OF HEIGHT AND VOLUME OF LIME TREE BY 30% COVERED BY TPO 99 T13

    6 Juniper Gardens Welwyn AL6 0XH

    Received 6 Jul 2009
  14. Decided - Granted6/2025/2112/LAWP

    Certificate of lawfulness for erection of hip to gable loft conversion and rear dormer with insertion of rooflights

    46 Brocket Road Welwyn Garden City AL8 7TY

    Received 2 Oct 2025
  15. Decided - Refused6/2025/2142/PN8

    Prior approval for the erection of a single-storey flat roof extension measuring 8m in depth, 2.60m in height and 2.40m to the eaves

    19 The Avenue Welwyn AL6 0PW

    Received 8 Oct 2025
  16. Decided - GrantedN6/2004/0736/FP

    ERECTION OF TWO STOREY AND SINGLE STOREY SIDE AND REAR EXTENSION, INCLUDING LOFT CONVERSION.

    5 Broom Hill Welwyn AL6 0SF

    Received 14 May 2004
  17. Decided - Granted6/2022/0175/VAR

    Variation of condition 2 (removal of time period for specifications and samples of all facing materials to be submitted and agreed and re-wording to compliance condition; and extension of time period for development to be completed following written agreement of all facing materials) on planning permission 6/2021/0380/HOUSE

    21 The Ridgeway Cuffley Potters Bar EN6 4BB

    Received 25 Jan 2022
  18. Decided - GrantedS6/2008/0777/DS

    DISCHARGE OF CONDITION 4 FROM CONSENT S6/2008/298/LB (DETAILED PLANS)

    56 Bell Lane, Hatfield, AL9 7AY

    Received 22 May 2008
  19. Decided - Granted6/2021/2348/LAWP

    Certificate of lawfulness for the erection of a 3m two storey rear extension

    22 Hawkshead Lane Hatfield AL9 7TB

    Received 9 Aug 2021
  20. Decided - Granted6/2023/2370/HOUSE

    Erection of single storey side extension

    79 Sylvandale Welwyn Garden City AL7 2HT

    Received 24 Nov 2023
  21. Decided - GrantedN6/2013/1012/FP

    Erection of single storey front extension

    12 Great North Road Welwyn Garden City AL8 7TH

    Received 17 May 2013
  22. Decided - Refused6/2017/0601/HOUSE

    Erection of single storey front extension, two storey side extension, part single/part two storey side and rear extension and increase in height of boundary walls, following demolition of existing garage.

    7 Elm Drive Hatfield AL10 8NR

    Received 24 Mar 2017
  23. Decided - Granted6/2016/0958/TPO

    Crown raise and thin 10no Hornbeam trees covered by TPO 214 W1

    20 Bracken Lane, Welwyn, AL6 0RB

    Received 17 May 2016
  24. Decided - Granted6/2023/1856/HOUSE

    Erection of a two storey side extension and single storey rear extension following the demolition of garage

    18 Camfield Welwyn Garden City AL7 4ED

    Received 6 Sept 2023

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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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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