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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/0010/HOUSE

    Erection of two storey rear and single storey side and rear extensions and alterations to existing garage roof and parapet wall

    80 Pentley Park, Welwyn Garden City, AL8 7SG

    Received 7 Jan 2016
  2. Decided - WithdrawnN6/2008/0059/FP

    CHANGE OF USE OF CAR PARKING SPACE TO ACCOMMODATE SPACE FOR LOADING AND UNLOADING OF SHIPPING CONTAINERS

    4 BLENHIEM COURT, BROWNFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1AN

    Received 11 Jan 2008
  3. Decided - Granted6/2022/0797/HOUSE

    Erection of ground floor rear extension following the part demolition of outbuilding

    209 Handside Lane Welwyn Garden City AL8 6TE

    Received 31 Mar 2022
  4. Decided - Granted6/2015/1575/COND

    Approval of condition 1 (details of the positions, design, materials, finish and type of railings and gates to be installed) in relation to Appeal Decision APP/C1950/C/14/3000462 .

    46 Brookmans Avenue Brookmans Park Hatfield AL9 7QJ

    Received 27 Jul 2015
  5. Decided - Refused6/2021/3055/FULL

    Change of use from 'games room' to storage, exercise, recreational room and playroom (Sui Generis)

    1 Holloways Lane Welham Green Hatfield AL9 7NR

    Received 25 Oct 2021
  6. Decided - GrantedS6/2015/1203/HH

    Prior approval for the erection of single storey side extensions to either side following demolition of existing garage and two outbuildings

    The Spinney High Road Essendon Hatfield AL9 6HT

    Received 9 Jun 2015
  7. Decided - Granted6/2021/2306/COND

    Submission of details pursuant to conditions 3 (surface water drainage) and 15 (drainage systems) on planning permission 6/2020/2526/MAJ

    Land to the west of the Learning Resource Centre, University of Hertfordshire College Lane Hatfield AL10 9AB

    Received 2 Aug 2021
  8. Decided - GrantedS6/2004/0960/LU

    PROPOSED LAWFULL USE FOR ERECTION OF DETACHED GARAGE.

    22 King James Avenue Cuffley Potters Bar EN6 4LR

    Received 23 Jun 2004
  9. Decided - Withdrawn6/2017/1098/PN11

    Prior Approval for change of use from Class B1(a) (Offices) to Class C3 (Residential) to provide 2 self-contained units (1 x 1-bed and 1 x 2-bed) and associated refuse storage.

    First Floor 4 Wigmores South Welwyn Garden City AL8 6PL

    Received 19 May 2017
  10. Decided - Granted6/2026/0227/EM

    Installation of solar panels

    21 Windhill Welwyn Garden City AL7 1RH

    Received 9 Feb 2026
  11. DecidedN6/2015/1117/CD

    Proposed inert waste recycling facility including associated stockpiling, maintenance infastructure, access and landscaping

    Land at Birchall Lane, Cole Green Lane, Welwyn Garden City, AL7 3PU

    Received 26 May 2015
  12. Decided - Granted6/2023/1719/HOUSE

    Installation of gates and erection of boundary wall

    25 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 15 Aug 2023
  13. Decided - Granted6/2022/1835/COND

    Submission of details pursuant to condition 3 (Arboricultural method statement) on planning reference 6/2021/2197/HOUSE

    40 Homestead Lane Welwyn Garden City AL7 4NF

    Received 8 Aug 2022
  14. Decided - WithdrawnW6/2008/2375/EM

    ERECTION OF SINGLE STOREY SIDE EXTENSION AND PART TWO STOREY, PART SINGLE STOREY REAR EXTENSION

    69 KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JE

    Received 3 Dec 2008
  15. Decided - Granted6/2021/1655/FULL

    Erection of rear single and part two story extension

    11 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 24 May 2021
  16. Appeal Decided - DismissedW6/2013/1058/EM

    Erection of two storey side and rear extensions

    24 Gooseacre Welwyn Garden City AL7 4NB

    Received 15 May 2013
  17. Decided - Refused6/2019/1351/LAWP

    Certificate of lawfulness for the erection of single storey side, two storey rear extension with front porch,removal of chimney and alterations to openings

    12 Longlands Road Welwyn Garden City AL7 3QB

    Received 5 Jun 2019
  18. Decided - Granted6/2015/2436/ADV

    Installation of 4no fascia sings and 1no projecting sign

    94- Town Centre Hatfield AL10 0JW

    Received 9 Dec 2015
  19. Decided - Granted6/2022/2701/VAR

    Variation of condition 7 (approved plans) on planning permission 6/2019/1452/MAJ

    26 Stonehills Welwyn Garden City AL8 6NA

    Received 28 Nov 2022
  20. Decided - GrantedN6/2004/1372/FP

    ERECTION OF BOUNDARY FENCE

    5 JUNCTION COTTAGES Blakemere Road Welwyn Garden City AL8 7PH

    Received 10 Sept 2004
  21. Decided - GrantedN6/2013/0706/FP

    Erection of detached garage with games room above

    The Red House 54 New Road Digswell Welwyn AL6 0AH

    Received 5 Apr 2013
  22. Decided - Withdrawn6/2018/1129/PN9

    Prior approval for the change of use from existing financial and professional services ( A2 ) to two residential dwellings (C3)

    9-11 Stonehills Welwyn Garden City AL8 6NA

    Received 27 Apr 2018
  23. Decided - Granted6/2025/0381/HOUSE

    Erection of a single storey rear extension, two storey side extension, two storey front extension and replacement roof following the demolition of the existing conservatory

    15 The Meadway Cuffley Potters Bar EN6 4ET

    Received 27 Feb 2025
  24. Decided - GrantedS6/2013/0916/FP

    Erection of two storey side extension

    Oshwal Association of the UK, Oshwal Centre, Coopers Lane Road, Northaw, POTTERS BAR, EN6 4DG

    Received 26 Apr 2013

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