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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2014/1146/AD

    Installation of 6no fascia signs and 41no other signs

    Tesco Stores Ltd, Oldings Corner, Hatfield, AL9 5JP

    Received 22 May 2014
  2. Decided6/2024/0705/TC

    Yew and Thuja over driveway to lift to approximately 5.5m above ground level. Yew to be cut back to provide at least 1.5m clearance from building. Trees are becoming low over driveway and also close to and touching building. Works are to prevent damage to vehicles and the property G1- Leyland cypress to reduce by approximately 5m height & 2m width - These are excessively overgrown. Works are to bring the trees into a more manageable size G2- Leyland cypress to reduce by approximately 5m height & 2m width - These are excessively overgrown. Works are to bring the trees into a more manageable size

    The Grange 3 Codicote Road Welwyn AL6 9LY

    Received 15 Apr 2024
  3. DecidedS6/2014/2545/TN

    Installation of 1 no. Microcell antenna

    Land adjacent to, 71 Station Road, Cuffley, Potters Bar, EN6 4EU

    Received 20 Nov 2014
  4. Decided - Granted6/2024/2206/COND

    Submission of details pursuant of condition 17 and 45 (ventilation) on planning permission 6/2019/2714/OUTLINE

    YMCA 90 Peartree Lane Welwyn Garden City AL7 3UL

    Received 14 Nov 2024
  5. Decided - GrantedN6/2004/0602/TP

    WORK TO TREE COVERED BY TPO 271

    34 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 10 May 2004
  6. Decided - Withdrawn6/2017/2167/EM

    Replacement of 26 timber balconies to powder coated steel balconies with glass infills and replacement of 4 x primary roofs from zinc to felt.

    1-11, 12-23, 24-34, 35-45 Corners Welwyn Garden City AL7 1RL

    Received 22 Sept 2017
  7. Decided - Granted6/2018/1206/EM

    Erection of a part single, part two storey rear extension following the demolition of existing conservatory

    69 Rosedale Welwyn Garden City AL7 1DP

    Received 2 May 2018
  8. Decided - Granted6/2015/1591/HOUSE

    Erection of a two storey rear extension

    14A Woodside Road Digswell Welwyn AL6 0DR

    Received 28 Jul 2015
  9. Decided - Granted6/2022/2835/FULL

    Erection of front wall to provide amenity spaces with enlargement of rear dormer and internal reconfiguration of flats 60, 61 and 62

    59 Bradmore Green Hatfield AL9 7QS

    Received 15 Dec 2022
  10. Decided - Granted6/2022/0707/PN8

    Prior approval of a single storey rear extension measuring in 8m depth, 3.15m in height and 2.90m to the eaves with insertion of roof lights

    37 Codicote Road Welwyn AL6 9TT

    Received 24 Mar 2022
  11. Decided - Granted6/2026/1229/TPO

    Remove 1 x Oak. (covered by TPO 753 (2018))

    2 Bracken Lane Welwyn AL6 0RB

    Received 13 Jul 2026
  12. Decided - WithdrawnW6/2004/0472/EM

    ERECTION OF TWO STOREY REAR EXTENSION AND REAR CONSERVATORY

    45 Pentley Park, Welwyn Garden City, AL8 7SF

    Received 25 Mar 2004
  13. Decided - Granted6/2017/1684/HOUSE

    Erection of a single storey rear extension and raising of roof and parapet to existing side extension

    11 Colgrove Welwyn Garden City AL8 6HY

    Received 1 Aug 2017
  14. Decided - GrantedN6/2014/0839/TC

    Fell Conifer tree

    10 Woodland Rise, Welwyn Garden City, AL8 7LF

    Received 9 Apr 2014
  15. Decided - Granted6/2021/1977/COND

    Submission of details pursuant to condition 8 (future management and maintenance of the proposed streets within the development), on planning permission 6/2019/1067/MAJ.

    Hill-Top Neighbourhood Centre Hatfield AL10 8HZ

    Received 29 Jun 2021
  16. Decided - Refused6/2018/1624/FULL

    Erection of detached dormer bungalow with habitable loft space following demolition of existing bungalow

    The Spinney Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 19 Jun 2018
  17. Decided - RefusedW6/2009/0299/EM

    RETENTION OF REPLACEMENT WINDOW TO THE FRONT ELEVATION

    BROCKSWOOD CORNER, BROCKSWOOD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BG

    Received 12 Feb 2009
  18. Decided - Refused6/2023/0795/HOUSE

    Relocation of existing detached garage

    91 Brookmans Avenue Hatfield AL9 7QG

    Received 13 Apr 2023
  19. Decided - GrantedW6/2009/1707/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    12 THE ORCHARD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PL

    Received 6 Aug 2009
  20. Decided6/2022/1808/TC

    There are two Alder trees on the sketch plan, (T1 & T2). I would like to fell T1 & reduce T2 by 50%.

    28 Beehive Lane Welwyn Garden City AL7 4BQ

    Received 2 Aug 2022
  21. Decided - GrantedN6/2004/0617/FP

    PART CHANGE OF USE FROM FAMILY RESIDENCE TO INCLUDE BED & BREAKFAST ACCOMMODATION

    13 Stacklands Welwyn Garden City AL8 6XW

    Received 26 Apr 2004
  22. Appeal Decided - WithdrawnS6/2015/0300/S73B

    Variation of condition 4 of planning permission S6/0432/87/FP and condition 1 of planning permission S6/0740/93/FP (to allow the sale of food for consumption off the premises from one unit, up to a maximum of 1,580sqm)

    Homebase Oldings Corner Retail Park Hatfield AL9 5JY

    Received 13 Feb 2015
  23. Decided - Granted6/2025/2056/EMT

    Front: G1 - Laurel and Rhododendron section of hedge to remove to ground level - Poor health, removing to replant Rear: T1 - 1 x Laurel to remove in sections to ground level - Blocking light to garden and shrubs T2 - 1 x Laurel to remove in sections to ground level. Blocking light to garden and shrubs G2 - Rear Laurel hedge to remove in sections to ground level - removing outgrown hedge which is heavily leaning and sparse

    5 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 25 Sept 2025
  24. Decided - Granted6/2016/1993/TPO

    T1 T2 Hornbeams: - Reduce and shape by 15% covered by TPO 60 (1980)

    8 Bluebells Welwyn AL6 0XD

    Received 21 Sept 2016

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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
  • 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