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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
40,247Searchable 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28,931 approved · 4,812 refused · 2,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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 - Granted6/2016/0025/HOUSE

    Erection of single and two storey front, side and rear extensions

    Coverack, 50 The Ridgeway, Cuffley, Potters Bar, EN6 4BA

    Received 5 Jan 2016
  2. Decided - Refused6/2016/0229/HOUSE

    Erection of single storey rear, two storey side extension & single storey front extension

    170 Crawford Road Hatfield AL10 0PA

    Received 11 Feb 2016
  3. Decided - Granted6/2024/0600/FULL

    Installation of extraction system on the flat roof and alteration to shopfront (retrospective)

    158 Hollybush Lane Welwyn Garden City AL7 4JU

    Received 27 Mar 2024
  4. Decided - Granted6/2020/1195/VAR

    Variation of condition 1 (temporary permission expiry) on planning permission 6/2018/2946/FULL

    Plot 5610, Hatfield Business Park, Gypsy Moth Avenue, Hatfield, AL10 9BS

    Received 28 May 2020
  5. Decided - GrantedS6/2007/1790/AD

    ERECTION OF TWO NON-ILLUMINATED SIGNS

    KING GEORGE V PLAYING FIELDS, NORTHAW ROAD EAST, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4RD

    Received 26 Nov 2007
  6. Decided - Granted6/2018/3144/EM

    Fell Conifer hedging and replace with a varied mix of shrubs, small ornamental trees and herbaceous perennials.

    8 Guessens Road Welwyn Garden City AL8 6QR

    Received 11 Dec 2018
  7. Decided - Granted6/2017/0222/VAR

    Variation of condition 1 (approved plans) on planning permission 6/2016/1492/FULL

    Ponsbourne Grange Ponsbourne Park Newgate Street Hertford SG13 8QS

    Received 7 Feb 2017
  8. Decided - Refused6/2016/0235/PN8

    Prior approval for the erection of single storey rear extension measuring 6m. in length by 2.85m. in height and 2.65m. in the eaves.

    16 Somers Square, Welham Green, Hatfield, AL9 7PS

    Received 11 Feb 2016
  9. Decided - Granted6/2025/0479/EMT

    1 x Alder to remove in sections to ground level. Cavity at base with adjoining stem. Recently failed in storms

    42-63 Guessens Court Welwyn Garden City AL8 6RB

    Received 14 Mar 2025
  10. Decided - Granted6/2017/0364/HOUSE

    Erection of part first floor part two storey side extension with front bay window and conversion of existing garage to habitable room.

    121 Dixons Hill Road Welham Green Hatfield AL9 7DW

    Received 27 Feb 2017
  11. Decided - Granted6/1974/7035/AD

    Illuminated name sign on gatehouse

    Bessemer Road, Welwyn Garden City, AL7 1HT

    Received 1 Jan 1974
  12. Decided - Granted6/2023/0110/HOUSE

    Erection of a single storey rear infill extension

    4 Pentley Park Welwyn Garden City AL8 7RU

    Received 16 Jan 2023
  13. Appeal Decided - Dismissed6/2017/1991/HOUSE

    Erection of single storey rear/side infill extension and part single storey, part two storey side extension. Removal of trees, increased fencing and creation of a driveway

    9 Youngs Rise Welwyn Garden City AL8 6RT

    Received 5 Sept 2017
  14. Decided - GrantedW6/2007/0741/EM

    FORMATION OF VEHICLE HARDSTANDING

    177 Blythway, Welwyn Garden City, AL7 1DS

    Received 14 May 2007
  15. Decided - GrantedN6/2014/2768/TC

    Reduce 4 English Yew trees, 2 Irish Yew trees and 1 Robinia tree by 30%

    Parkside House 58 Mill Lane Welwyn AL6 9ES

    Received 29 Dec 2014
  16. Decided - Granted6/2026/1016/EM

    Erection of single-storey rear extension, new outbuilding and extended driveway

    32 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 9 Jun 2026
  17. Decided - GrantedS6/2014/2531/S73A

    Variation of condition 3 (materials) of planning permission S6/2014/0437/FP - Erection of single storey rear extension

    1 Dixons Hill Close, Welham Green, Hatfield, AL9 7EF

    Received 18 Nov 2014
  18. Decided - Granted6/2016/1423/EM

    Tree 1: Removal of Conifer bush, Tree 2: Pear Tree, reduce crown by 30%, Tree 3: Apple Tree, reduce crown by 30%, Tree 4: Remove row of six Leylandii conifers

    3 Pentley Park, Welwyn Garden City, AL8 7RT

    Received 13 Jul 2016
  19. Decided - GrantedW6/2015/0633/EM

    Erection of single storey rear extension

    52 Lumbards, Welwyn Garden City, AL7 1PL

    Received 24 Mar 2015
  20. Decided - Granted6/2015/1880/EM

    Extension of existing hardstanding to block paving

    33 Woodland Rise, Welwyn Garden City, AL8 7LJ

    Received 4 Sept 2015
  21. Decided - Refused6/2021/2067/LAWP

    Certificate of lawfulness for the erection of new garden room

    Osprey The Hyde Suttons Farm Woodcock Hill St Albans AL4 9HJ

    Received 8 Jul 2021
  22. Decided - Granted6/2021/1749/EMT

    Fell 1 x Norway Maple Remove low limb over driveway on 1 x Oak tree

    3 Ashley Close Welwyn Garden City AL8 7LH

    Received 3 Jun 2021
  23. Decided - GrantedS6/2014/0405/NM

    Non material amendment following approval of planning permission S6/2013/1568/FP - Details of basement layout, exit steps and fenestration

    45A King James Avenue Cuffley Potters Bar EN6 4LN

    Received 3 Mar 2014
  24. Decided - Granted6/2015/1529/HOUSE

    Erection of single storey rear extension and removal of side window and rear decked area

    2 Rosecroft Lane Welwyn AL6 0UB

    Received 20 Jul 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

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

All planning guides

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    Planning application documents: what to read first

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    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.

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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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