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
40,288Searchable applications
321Recorded as pending
86%Approval rate · 33,780 approved or refused records
4,816Refused applications

28,964 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2006/0377/FP

    ERECTION OF ONE & HALF STOREY SIDE EXTENSION INCORPORATING TWO DORMER WINDOWS AND LOFT CONVERSION TO GARAGE WITH FRONT DORMER WINDOW

    Orchard House 7 Danesbury Lane Welwyn AL6 9SG

    Received 22 Mar 2006
  2. Decided - Granted6/2024/0579/EM

    Replacement of front door

    15 Guessens Road Welwyn Garden City AL8 6QL

    Received 25 Mar 2024
  3. Decided - GrantedW6/2009/0294/EM

    ERECTION OF REAR CONSERVATORY FOLLOWING REMOVAL OF BAY WINDOW

    114 THE COMMONS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4SB

    Received 10 Feb 2009
  4. Decided - Granted6/2020/1466/HOUSE

    Removal of existing roof and replacement roof to form master bedroom with front and rear dormers

    59 Bradmore Way Hatfield AL9 7QZ

    Received 22 Jun 2020
  5. Decided - Granted6/2023/1860/COND

    Confirmation that all conditions have been discharged on planning permission 6/2016/2624/FULL

    Flat 40 Mercury House Broadwater Road Welwyn Garden City AL7 3FB

    Received 6 Sept 2023
  6. Decided - Refused6/2023/0830/LAWP

    Certificate of lawfulness for a single storey rear extension with insertion of rooflights and outbuilding conversion

    10 Raymonds Close Welwyn Garden City Hertfordshire AL7 4TH

    Received 18 Apr 2023
  7. Decided - SplitN6/2009/2024/DS

    DISCHARGE OF CONDITION 5 (NOISE MANAGEMENT) and 6 OF PLANNING PERMISSION N6/2009/0861/FP

    15 HOWARDSGATE, WELWYN GARDEN CITY, HERTS, AL8 6BU

    Received 9 Sept 2009
  8. Decided - Granted6/2017/2534/EM

    Reduce crown of Apple tree by 5m in height and 1.5m in laterals, reduce crown of Purple Plum tree by 2m and Fell 1 Hawthorn tree - Conservation Area

    21 Knightsfield Welwyn Garden City AL8 7JE

    Received 1 Nov 2017
  9. Decided - Granted6/2026/1000/EM

    Erection of single storey rear & front extension

    67 Howicks Green Welwyn Garden City AL7 4RJ

    Received 8 Jun 2026
  10. Decided - Granted6/2021/1949/TC

    Tidy up a scruffy and neglected row of trees T1 - Syc. Repollard to old cuts approx. 2mtrs off height. T2 - Syc. Crown lift to 5m T3 & T4 - Syc. Small saplings - remove. T5 - Syc. Remove stem in front of T5 and crown lift to 5m. T6 - Syc. Sever ivy c/lift to 5m T7 - Syc. C/lift to 5m T8 & T9 - Syc. C/lift to 5m. Reduce by no more than 3m height and spread T10 - Cherry. C/lift to 4m. T11, T12, T13 - Scruffy Holly. Remove T14 - Cherry. Poor form. Remove to reveal nice mature lime tree behind it. T15 - Syc. C/lift to 5m and reduce height by no more than 3m T16 - Elm. Reduce height by 4m and lateral branches by no more than 3m T17, T18, T19 - Syc. Crown lift to 5m and sever ivy.

    Rose And Crown 22 High Road Essendon Hatfield AL9 6HW

    Received 28 Jun 2021
  11. Decided - Withdrawn6/2019/0794/HOUSE

    Erection of part two storey, part single storey side/rear extension and single storey rear/side extension

    9 Youngs Rise Welwyn Garden City AL8 6RT

    Received 14 Feb 2019
  12. Decided - Granted6/2022/0247/VAR

    Variation of condition 2 (development must be completed in accordance with approved plans) on planning permission 6/2019/2744/HOUSE

    1 Stonecross Road Hatfield AL10 0HR

    Received 3 Feb 2022
  13. Decided - Granted6/2021/3081/HOUSE

    Conversion of garage to habitable space for use as office/gym.

    6 King James Avenue Cuffley Potters Bar EN6 4LR

    Received 27 Oct 2021
  14. Decided - GrantedS6/2007/0500/FP

    ERECTION OF TWO STOREY REAR EXTENSION.

    1 Huggins Lane Welham Green Hatfield AL9 7LT

    Received 26 Mar 2007
  15. Decided6/2017/1598/TPO

    Fell Conifer Fir tree - Conservation Area

    27 Dellcott Close Welwyn Garden City AL8 7BB

    Received 21 Jul 2017
  16. Decided - Granted6/2019/0223/FULL

    Change of use of public amenity land to residential driveway vehicle crossover hardstanding

    82 Thistle Grove Welwyn Garden City AL7 4AQ

    Received 1 Feb 2019
  17. Decided - Granted6/2015/1522/HOUSE

    Erection of a two storey side extension to form grandparent annex

    10 Hertford Road Digswell Welwyn AL6 0EB

    Received 20 Jul 2015
  18. Decided - Withdrawn6/2018/1534/FULL

    Installation of gate following removal of 1.7meters of boundary hedge

    Commonswood School The Commons Welwyn Garden City AL7 4RU

    Received 7 Jun 2018
  19. Decided - Granted6/2023/1083/TPO

    T1 Horse chestnut which requires a 30% crown reduction.

    44 Fore Street Hatfield AL9 5AH

    Received 22 May 2023
  20. Decided - Granted6/2017/2151/EM

    Crown Reduce by 30% and deadwood 2x Oak (T1 & T2)

    6 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 22 Sept 2017
  21. Decided - WithdrawnS6/2004/0555/LB

    DEMOLITION OF EXISTING GARAGE AND ERECTION OF NEW DOUBLE GARAGE WITH GAMES ROOM ABOVE

    Woodhill House Kentish Lane Brookmans Park

    Received 5 Apr 2004
  22. Decided - GrantedN6/2015/1398/MAJ

    Installation of external seating and associated works

    Waitrose Ltd Bridge Road Welwyn Garden City AL8 6AB

    Received 30 Jun 2015
  23. Decided - Refused6/2021/2949/PN8

    Prior approval for a single storey rear extension measuring 6m in depth, 2.7m in height and 2.7m to the eaves

    68 Brooksfield Welwyn Garden City AL7 2AN

    Received 14 Oct 2021
  24. Decided - GrantedS6/2015/1147/OR

    Prior approval for the change of use from office (B1a) to residential (C3) to create no10 units

    Dominions House 51 Great North Road Hatfield

    Received 29 May 2015

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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  • 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.

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