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
40,247Searchable applications
321Recorded as pending
86%Approval rate · 33,743 approved or refused records
4,812Refused applications

28,931 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/0567/HOUSE

    Erection of single storey rear extension and enlargement of existing store

    87 Woodhall Lane Welwyn Garden City AL7 3TH

    Received 27 Feb 2018
  2. Decided - GrantedN6/2008/0837/FP

    ERECTION OF REAR CONSERVATORY

    9 CYPRESS AVENUE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1HN

    Received 28 May 2008
  3. Decided - Granted6/2026/0756/HOUSE

    Proposed single storey rear extension and a garage conversion

    43 Moorlands Welwyn Garden City AL7 4PY

    Received 29 Apr 2026
  4. Decided - Granted6/2021/3071/EMT

    Partial removal of an existing mixed hedge to the front of the boundary, replaced by a new native beech hedge. The proposal for a new native beech hedge will help to re-establish the local vernacular of 6-foot clipped hedging. Replacement of 18m length of existing mixed hedge along the Brockswood Lane boundary of property, replaced with 18m length Fagus sylvatica (beech) hedging at 1.6-1.8m height, to be planted in two staggered rows, rows 30mm apart and plants within rows 400mm apart. 4 plants per meter. Planting is to be carried out November up to March.

    76 Brockswood Lane, Welwyn Garden City, AL8 7BQ

    Received 26 Oct 2021
  5. Decided - GrantedN6/2013/1569/FP

    Erection of single storey rear extension

    7 Bushey Ley, WELWYN GARDEN CITY, AL7 3EY

    Received 11 Jul 2013
  6. Decided - Granted6/2020/0922/COND

    Submission of details pursuant to condition 2 (traffic noise) on planning permission 6/2019/0702/VAR, dated 15/05/2019

    33 Lemsford Road Hatfield AL10 0DL

    Received 23 Apr 2020
  7. Decided - RefusedS6/2004/0486/LU

    CERTIFICATE OF LAWFULNESS FOR THE INSTALLATION OF BOUNDARY FENCE

    24 Stag Green Avenue Hatfield AL9 5DZ

    Received 25 Mar 2004
  8. Decided - GrantedW6/2004/0187/EM

    INSTALLATION OF REAR ROOF LIGHT

    257 Handside Lane, Welwyn Garden City, AL8 6TF

    Received 5 Feb 2004
  9. Decided - GrantedN6/2010/0213/TC

    REDUCE AND SHAPE CROWN OF EUCALYPTUS TREE BY 50% AND REMOVE CONIFER HEDGE

    42 TURMORE DALE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HS

    Received 10 Feb 2010
  10. Decided - GrantedS6/2015/0189/FP

    Retention of a barn and formation of hardstanding

    Sparrow Farm, Newgate Street Village, Hertford, SG13 8QR

    Received 30 Jan 2015
  11. Decided - Refused6/2019/0102/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.1m in height and 3m to the eaves

    3 Holme Close Hatfield AL10 9LQ

    Received 18 Jan 2019
  12. Decided - Granted6/2023/0345/PN27

    Prior approval for the addition of new storey to create enlarged first floor bedroom accommodation

    75 The Ridgeway Cuffley Potters Bar EN6 4BD

    Received 14 Feb 2023
  13. Decided - Granted6/2017/0958/HOUSE

    Erection of a single-storey side and part single part two-storey rear extensions

    36 Sheepcote Welwyn Garden City AL7 4QD

    Received 8 May 2017
  14. Decided - Refused6/2018/3129/FULL

    Erection of single storey rear extension and conversion of existing terraced single dwelling into 1 x 1B ground floor apartment and 1 x 2B two storey maisonette at first and second floor above

    16 Horsa Gardens Hatfield AL10 9GF

    Received 10 Dec 2018
  15. Decided - WithdrawnS6/2013/1422/S73B

    Variation of condition 1 (Time extension) to planning permission S6/2010/1889/S73B (erection of new dwelling)

    Land adjacent to, 45A King James Avenue, Cuffley, POTTERS BAR, EN6 4LN

    Received 27 Jun 2013
  16. Decided - WithdrawnN6/2013/2561/FP

    Installation of 9 solar panels on roof

    69 Knightsfield, Welwyn Garden City, AL8 7JE

    Received 5 Dec 2013
  17. Decided - Granted6/2016/0589/FULL

    Subdivision of existing ancillary callers office and change of use of new unit to Use Class A1

    Hatfield Delivery Office, 38 Town Centre, Hatfield, AL10 0AA

    Received 5 Apr 2016
  18. Decided6/2021/2234/TC

    Fell 1x Ash and 2x Plum trees

    44 Attimore Road Welwyn Garden City AL8 6LP

    Received 26 Jul 2021
  19. Decided - Refused6/2020/1564/EM

    Formation of driveway at front of house

    23 Dellcott Close Welwyn Garden City AL8 7BB

    Received 1 Jul 2020
  20. Decided - Granted6/2016/1395/COND

    Approval for details reserved by condition 2 (material layout), condition 3 (Landscape Detail) and 5 (Access Arrangements) on planning permission N6/2015/0034/MA

    Broadwater House, 43-45 Broadwater Road, Welwyn Garden City, AL7 3AX

    Received 8 Jul 2016
  21. Decided - Granted6/2021/0722/EM

    Erection of an outdoor office and gym

    125 Sweet Briar Welwyn Garden City AL7 3EB

    Received 4 Mar 2021
  22. Decided - RefusedS6/2015/1386/HH

    Prior approval for the erection of a single storey rear extension

    9 Georges Wood Road Brookmans Park Hatfield AL9 7BY

    Received 30 Jun 2015
  23. Decided - GrantedS6/2013/2722/FP

    Replacement windows

    1 - 35 Woodpecker Close, Hatfield, AL10 9ET

    Received 24 Dec 2013
  24. Decided - Granted6/2018/1171/EM

    Erection of a single storey rear and side extension

    6 Moorend Welwyn Garden City AL7 4QL

    Received 30 Apr 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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How to search planning applications

Guides to planning records

All planning guides
  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • 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