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
40,020Searchable applications
298Recorded as pending
86%Approval rate · 33,562 approved or refused records
4,794Refused applications

28,768 approved · 4,794 refused · 2,199 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Split6/2019/0917/COND

    Submission of details pursuant to condition 3(Method Statement and Traffic Management Plan)on planning application 6/2017/2695/MAJ

    Entech House London Road Woolmer Green SG3 6JE

    Received 16 Apr 2019
  2. Decided - Granted6/2024/1157/EM

    Erection of a part single, part two storey rear extension with insertion of windows to side elevation following demolition of existing conservatory

    10 Drycroft Welwyn Garden City AL7 4DH

    Received 21 Jun 2024
  3. Decided - GrantedN6/2015/0700/DS

    Approval of details reserved by condition 2a (finished floor levels), 2b & c (proposed finishes & boundary treatment), 2d (tree protection & fencing), 2e (planting plans & 4 (bin & cycle storage) of planning permission N6/2014/0208/DE

    Former The Frythe 5 Digswell Hill Welwyn AL6 9AR

    Received 27 Mar 2015
  4. Decided - Granted6/2023/0091/EM

    Replace front door like for like

    88 Parkway, Welwyn Garden City, AL8 6HL

    Received 13 Jan 2023
  5. Decided - Split6/2020/2591/COND

    Submission of details pursuant to condition 1 (construction management plan), condition 2 (site waste management plan), condition 3 (remediation scheme) on planning permission 6/2019/2086/MAJ

    3 Minster House Minster Close Hatfield AL10 9JW

    Received 7 Oct 2020
  6. Decided - Granted6/2020/0613/EMT

    Fell 1x Elder tree

    24 Walden Road Welwyn Garden City AL8 7PF

    Received 3 Mar 2020
  7. Decided - GrantedW6/2014/0426/EM

    Erection of garden shed

    49 Crossway, Welwyn Garden City, AL8 7ED

    Received 3 Mar 2014
  8. Decided - Refused6/2016/1818/COND

    Approval of details reserved by condition 7 (Refuse Strategy Plan) on reserved matters application 6/2015/1901/RM

    Queen Elizabeth II Hospital, Howlands, Welwyn Garden City, AL7 4HQ

    Received 2 Sept 2016
  9. Decided - RefusedN6/2014/2439/FP

    Erection of first floor side extension, two storey rear extension, single storey rear extension, installation of side elevation window, new rooflight within the rear elevation and removal of chimney stack

    123 Handside Lane, Welwyn Garden City, AL8 6TA

    Received 6 Nov 2014
  10. Decided - Granted6/2023/0435/COND

    Submission of details pursuant to condition 5 (surface water drainage scheme) attached to planning application 6/2022/2249VAR (a variation of application ref: 6/2021/2125/MAJ)

    Hertfordshire Constabulary Stanborough Road Welwyn Garden City AL8 6XF

    Received 24 Feb 2023
  11. Decided - Granted6/2021/2880/LB

    Installation of wooden gates to service yard

    Comet Hotel St Albans Road West Hatfield AL10 9RH

    Received 7 Oct 2021
  12. Decided - GrantedN6/2009/0022/FP

    CONVERSION OF FLAT ROOF TO TERRACE AREA AND INSERTION OF DOOR IN REPLACE OF EXISTING WINDOW

    Childbase Ltd, 9 Guessens Road, Welwyn Garden City, AL8 6QW

    Received 26 Jan 2009
  13. Decided - Refused6/2022/0984/TPO

    TPO 123 (1987) W1 / TPO 657 (2017) W1 T1 on sketch. Crown reduction of oak tree 40%. C1 on sketch. One sweet chestnut reduction 30%. C2 & C3 on sketch. Two sweet chestnuts 30% crown reduction. H1, H2, H3 & H4. Four hornbeams 30 % crown reduction.

    Land to the rear of 11, 12 & 12A Birch Grove Welwyn Hertfordshire AL6 0QP

    Received 26 Apr 2022
  14. Decided - Granted6/2019/1642/EM

    Erection of single storey front, side, rear extension following raising of roof and alterations to openings

    7 Willow Grove Welwyn Garden City Hertfordshire

    Received 2 Jul 2019
  15. Decided - Granted6/2020/1707/COND

    Submission of details pursuant to Condition 1 [plan of the proposed boundary treatment ] 2 [cycle parking ] and 3 [refuse bin and recycling materials storage bins] on planning permission 6/2019/1342/FULL

    5 and 7 Mimram Walk Welwyn AL6 9EZ

    Received 14 Jul 2020
  16. Decided - Granted6/2022/0403/EMH

    Erection of single storey front and single storey rear extensions with insertion of roof lights and new patio with steps

    67 Digswell Rise Welwyn Garden City AL8 7PT

    Received 21 Feb 2022
  17. Decided - Refused6/2023/1738/EM

    Erection of a single storey rear extension.

    16 The Wade, Welwyn Garden City, AL7 4LG

    Received 17 Aug 2023
  18. Decided - Refused6/2017/0001/EM

    Installation of additional window to front elevation.

    116 Cole Green Lane Welwyn Garden City AL7 3JD

    Received 3 Jan 2017
  19. Decided - Refused6/2017/1156/HOUSE

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

    12 Cranborne Road Hatfield AL10 8AP

    Received 26 May 2017
  20. Decided - GrantedS6/2004/0743/FP

    ERECTION OF TWO STOREY REAR EXTENSION

    33 Mymms Drive Brookmans Park Hatfield AL9 7AE

    Received 19 May 2004
  21. DecidedS6/2009/1464/TC

    CROWN REDUCTION AND THINNING OF HORSE CHESTNUT (T1)

    10 PARK STREET, HATFIELD, HERTS, AL9 5AX

    Received 1 Jul 2009
  22. Decided - Granted6/2023/1119/PN8

    Prior approval for the erection of a single storey rear extension measuring 4.5m in depth, 3m in height and 2.8m to the eaves

    45 Garden Avenue Hatfield AL10 8LL

    Received 24 May 2023
  23. Decided - RefusedN6/2013/0427/FP

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

    52 Sherrardspark Road, WELWYN GARDEN CITY, AL8 7LB

    Received 25 Feb 2013
  24. Decided - RefusedS6/2007/0558/FP

    ERECTION OF 3 BEDROOM, TWO STOREY END OF TERRACE DWELLING, FOLLOWING DEMOLITION OF GARAGES AND CHANGE OF USE OF LAND FROM AMENITY TO RESIDENTIAL.

    Land adjacent to 2 Herneshaw Hatfield AL10 9DG

    Received 4 Apr 2007

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