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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2018/1967/LAWP

    Certificate of lawfulness for erection of outbuilding

    Manor Cottage Vineyards Road Northaw Potters Bar EN6 4PQ

    Received 26 Jul 2018
  2. Decided - Granted6/2019/0032/VAR

    Removal of Condition 2 (Tree Shrubs Landscape) on planning permission ref: 6/2018/0007/VAR.

    32 Carleton Rise Welwyn AL6 9RF

    Received 7 Jan 2019
  3. Decided - Granted6/2025/1478/FULL

    Temporary Planning Permission (three years) for a temporary storage building within the service area

    1 Watchmead Welwyn Garden City AL7 1LT

    Received 8 Jul 2025
  4. Decided - Granted6/2021/0920/EMH

    Removal of greenhouse and erection of summer house in rear garden

    14 Meadow Green Welwyn Garden City AL8 6SS

    Received 22 Mar 2021
  5. Decided6/2024/1948/TC

    2x Apple trees to remove

    207 Handside Lane Welwyn Garden City AL8 6TE

    Received 10 Oct 2024
  6. Decided - Refused6/2016/0532/ADV

    Installation of 2 non-illuminated pole mounted free standing signs

    Roundabout 31, Stanborough Road, Welwyn Garden City, AL8

    Received 31 Mar 2016
  7. Decided - Granted6/2020/1119/HOUSE

    Conversion of garage into habitable space

    26 The Ryde Hatfield AL9 5DL

    Received 18 May 2020
  8. Decided - Granted6/2021/3216/HOUSE

    Erection of a single storey rear extension, a two storey side extension, and alterations to driveway and fence

    9 Vicarage Close Northaw Potters Bar EN6 4NY

    Received 10 Nov 2021
  9. Decided - Granted6/2016/1803/EM

    Erection of single storey side and rear extension

    38 Woodhall Court, Welwyn Garden City, AL7 3TD

    Received 19 Aug 2016
  10. Decided - Granted6/2017/0646/COND

    Submission of details pursuant to condition 1 (material samples) of planning permission 6/2016/2301/HOUSE

    34 Parkway Welwyn Garden City AL8 6HQ

    Received 30 Mar 2017
  11. Decided - GrantedS6/2004/1287/FP

    ERECTION OF NEW SWIMMING POOL AND PLANT ENCLOSURE, POND, SUMMER HOUSE AND GARAGE

    Bramley House Wildhill Road Brookmans Park Hatfield AL9 6DD

    Received 24 Aug 2004
  12. Decided - GrantedN6/2008/0783/DS

    DISCHARGE OF CONDITION 3 FROM DECISION NOTICE N6/2008/516/FP (SAMPLES OF MATERIALS)

    42 Mill Lane Welwyn AL6 9ET

    Received 29 May 2008
  13. Decided - Granted6/2020/2183/FULL

    Internal alterations and installation of roof lantern to Guessens and erection of a new conservatory to Little Guessens

    Little Guessens 6 Codicote Road Welwyn AL6 9NB

    Received 27 Aug 2020
  14. Decided - GrantedW6/2004/0597/EM

    ERECTION OF REAR CONSERVATORY

    5 Chalk Dale, Welwyn Garden City, AL7 2AP

    Received 22 Apr 2004
  15. Decided - RefusedN6/2008/1829/LB

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSIONS

    MELBOURNE STUD, WATEREND LANE, AYOT ST PETER, WELWYN, HERTFORDSHIRE, AL6 9BB

    Received 25 Sept 2008
  16. Decided - GrantedC6/1987/0631/FP

    Single storey side extension to ski centre building to from toilet and store

    Gosling Sports Park Stanborough Road Welwyn Garden City AL8 6XE

    Received 1 Jan 1987
  17. Decided - Granted6/2016/0979/PN8

    Prior approval for the erection of single storey rear extension measuring 5.125m deep, 3m high and with 2.8m eaves height

    75 Westland Drive, Brookmans Park, Hatfield, AL9 7UG

    Received 16 May 2016
  18. Decided - Granted6/2016/0176/TPO

    Crown reduce T1 oak by 25% and T2 oak by 20% covered by TPO 305

    15 Bennett Close, Welwyn Garden City, AL7 4JA

    Received 1 Feb 2016
  19. Decided - GrantedN6/2004/1757/TP

    WORKS TO OAK TREE T2 COVERED BY TPO 310

    1 Rollswood Road Welwyn AL6 9TX

    Received 29 Nov 2004
  20. Decided - GrantedN6/2014/2285/FP

    Conversion of existing garage to habitable accommodation

    4 Wolvescroft, Woolmer Green, Knebworth, SG3 6LR

    Received 17 Oct 2014
  21. Under Consideration6/2026/1248/LAWE

    Certificate of lawfulness of existing use as a wedding venue, conference, ceremonies, corporate events and filming

    North Mymms Park Tollgate Road North Mymms Hatfield AL9 7TR

    Received 15 Jul 2026
  22. Decided - Granted6/2018/0298/HOUSE

    Erection of single storey rear extension

    2 Devon Mead Hatfield AL10 9GD

    Received 30 Jan 2018
  23. Decided - GrantedS6/2008/1989/AD

    INSTALLATION OF TWO ILLUMINATED SIGNS AND ONE INTERNALLY ILLUMINATED SIGN.

    UNIT 70 THE GALLERIA, COMET WAY, HATFIELD, HERTFORDSHIRE, AL10 0XR

    Received 22 Oct 2008
  24. Decided - GrantedN6/2015/0266/DS

    Approval of details reserved by conditions 1 (Commencement) 2 (Approved Drawings) 3 (External Materials) 4 (Boundary Treatments to Gardens) 5 (Cross Section of Site) 6 (Sedum Roof Maintenance) 7 (Tree Protection) 8 (Watering Regime) 9 (Construction Method Statement) 10 (External Lighting) 11 (Further Site Investigation) 12 (Contamination Risks) 13 (Surface Water Drainage) 14 (Piling and Foundation Design) 15 (Roads, Footways, Foul and surface Drainage Design)

    82 Bridge Road East, Welwyn Garden City, AL7 1JY

    Received 10 Feb 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

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  • 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