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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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 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 Counts reflect the last collected status; some records may be out of date.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
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 - Granted6/2026/1167/EM

    Like-for-like replacement window

    8 Boxfield Welwyn Garden City AL7 4PT

    Received 6 Jul 2026
  2. Decided - Granted6/2016/2552/EM

    Reduce Stem of Hornbeam tree by 50%

    2 Beehive Green Welwyn Garden City AL7 4BE

    Received 29 Nov 2016
  3. Decided - Withdrawn6/2020/2895/TC

    T1- hornbeam - fell to ground level as neighbours are complaining about 'lack of light'

    6 Holly Walk Welwyn Garden City AL8 7EJ

    Received 5 Nov 2020
  4. Decided - Granted6/2017/0353/VAR

    Variation of condition 2 (hours of operation) on planning permission N6/2010/1855/FP

    Attimore Hall Barn Studios Ridgeway Welwyn Garden City AL7 2AD

    Received 23 Feb 2017
  5. Decided - RefusedN6/2007/0724/FP

    ERECTION OF 2 STOREY SIDE/REAR EXTENSION AND SIDE DOUBLE GARAGE

    11 The Avenue Welwyn AL6 0PW

    Received 10 May 2007
  6. Decided - Granted6/2022/0750/TPO

    Fell 1 x Douglas fir to ground level Fell 1 x Spruce to ground level

    16 Wendover Drive Welwyn AL6 9LT

    Received 29 Mar 2022
  7. Decided - Granted6/2019/2331/VAR

    Variation of condition 2 (tree protection) and 7 (approved drawings) on planning permission 6/2018/2766/VAR

    The Riding School, Ponsbourne Park, Newgate Street, Hertford, SG13 8QS

    Received 23 Sept 2019
  8. Decided - Refused6/2026/0566/HOUSE

    Installation of rear dormer and pitched roof to facilitate loft conversion

    18 Northaw Road East Cuffley Potters Bar EN6 4LL

    Received 27 Mar 2026
  9. Decided - Granted6/2024/0735/LAWP

    Certificate of lawfulness for the addition of solar photovoltaic panels to roof aspect facing Newfields

    32 Newfields Welwyn Garden City AL8 6YT

    Received 19 Apr 2024
  10. Under Consideration6/2026/1448/PIP

    Permission in principle for the erection of a single dwelling

    Land North of 58 Bell Lane Brookmans Park AL9 7AY

    Received 18 Aug 2026
  11. Decided - Withdrawn6/2023/1253/FULL

    Erection of new 2 bed dwelling following the demolition of existing garage and associated alterations to existing dwelling.

    4 Little Ley Welwyn Garden City AL7 4TN

    Received 14 Jun 2023
  12. Decided - GrantedN6/2007/0691/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION AND CONSERVATORY

    129 Boundary Lane Welwyn Garden City AL7 4EQ

    Received 3 May 2007
  13. Decided - RefusedW6/2006/0689/EM

    ERECTION OF PART SINGLE STOREY AND PART TWO STOREY REAR EXTENSION

    9 Attimore Road, Welwyn Garden City, AL8 6LH

    Received 30 May 2006
  14. Decided - Granted6/2023/2210/PN10

    Prior approval for a change of use from agricultural building to one dwellinghouse

    7 Normans Lane Welwyn AL6 9TQ

    Received 31 Oct 2023
  15. Decided - Granted6/2022/1120/EMT

    Yew tree x1 - reduction of 30% all over

    4 Handside Lane Welwyn Garden City AL8 6SF

    Received 16 May 2022
  16. Decided - Granted6/2019/0048/EM

    Reduce crown of 2 x Oak trees by 30%

    11 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 9 Jan 2019
  17. Decided - GrantedN6/2014/0526/FP

    Erection of two storey side extension

    2 Dolesbury Drive Welwyn AL6 0QF

    Received 13 Mar 2014
  18. Decided - Split6/2016/0823/COND

    Approval of details reserved by condition 10 (archaeological scheme) on planning permission S6/2015/1061/MA

    Plot 6000, Hatfield Avenue, Hatfield Business Park, Hatfield, AL10 9UA

    Received 3 May 2016
  19. Decided - Granted6/2016/1251/HOUSE

    Erection of single storey rear extension

    22 Wolves Mere Woolmer Green Knebworth SG3 6JW

    Received 22 Jun 2016
  20. Decided6/2021/2297/TC

    Lawson's Cypress (T1) - fell

    2 Mannicotts Welwyn Garden City AL8 7BW

    Received 2 Aug 2021
  21. Decided - GrantedN6/2008/2220/DS

    DISCHARGE OF CONDITION 3 (BRICKWORK) ON PLANNING PERMISSION N6/2008/1179/FP

    12 Newfields, Welwyn Garden City, AL8 6YT

    Received 24 Nov 2008
  22. Decided - Refused6/2020/2196/LAWP

    Certificate of lawfulness for the erection of 3 proposed outbuildings for use as double garage, a pool house and storage.

    22 Hawkshead Lane Hatfield AL9 7TB

    Received 28 Aug 2020
  23. Decided - Granted6/2016/1183/HOUSE

    Erection of single storey rear extension, conversion of loft and installation of 2no rear dormer windows

    5 Heather Road, Welwyn Garden City, AL8 6XX

    Received 15 Jun 2016
  24. DecidedN6/2004/1313/CD

    REPLACEMENT RESIDENTIAL CHILDRENS HOME

    STANFIELD SITE, LEMSFORD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6YN

    Received 26 Aug 2004

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 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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