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
36,090Searchable applications
333Recorded as pending
86%Approval rate · 30,078 approved or refused records
4,098Refused applications

25,980 approved · 4,098 refused · 1,897 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 24 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2008/0272/FP

    ERECTION OF TWO STOREY REAR EXTENSION

    79 HARDINGS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2HA

    Received 12 Feb 2008
  2. Decided - GrantedN6/2014/1009/LUE

    Certificate of lawfulness for retention of a detached double garage

    22 Spinney Lane Welwyn AL6 9TF

    Received 13 May 2014
  3. Appeal Decided - AllowedS6/2014/1867/FP

    Erection of replacement dwelling

    The Willows, Marshmoor Lane, Welham Green, Hatfield, AL9 7HT

    Received 20 Aug 2014
  4. Decided - GrantedN6/2014/0994/FP

    Erection of first floor rear extension

    39 New Road Digswell Welwyn AL6 0AQ

    Received 29 Apr 2014
  5. Decided - Refused6/2020/2343/HOUSE

    Erection of part single part two storey rear extensions, side, roof extensions, insertion of front dormer window, removal of chimney, insertion of first floor side extensions, solar panels and erection of 2 no. rear Juliette balconies

    35 Westland Drive Hatfield AL9 7UG

    Received 14 Sept 2020
  6. Appeal Decided - Dismissed6/2022/2897/HOUSE

    Erection of part single & part two-storey rear extension, roof extension & alterations to openings

    30 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 22 Dec 2022
  7. Decided - Refused6/2019/2659/PN8

    Prior approval for the erection of a single storey rear extension measuring 8m in depth, 3.0m in height and 2.95m to the eaves

    66 The Meadway Cuffley Potters Bar EN6 4ES

    Received 23 Oct 2019
  8. Decided - Granted6/2018/2234/HOUSE

    Erection of two storey side/rear and single storey rear extension including installation of rear skylight following demolition of garage

    1 Cranfield Crescent Cuffley Potters Bar EN6 4DY

    Received 30 Aug 2018
  9. Decided - Refused6/2022/2497/FULL

    Erection of a replacement dwelling with integral garage, following demolition of existing dwelling (retrospective)

    3 The Ridgeway Cuffley Potters Bar EN6 4AY

    Received 1 Nov 2022
  10. Decided - Granted6/2017/2911/HOUSE

    Erection of single storey rear extension and alterations to fenestrations

    The Birches School Lane Essendon Hatfield AL9 6HD

    Received 13 Dec 2017
  11. Decided - Granted6/2017/2275/VAR

    Variation of condition 3 (approved plans) on planning permission 6/2017/0628/HOUSE, dated 26/06/2017 - retrospective

    47 Broad Acres Hatfield AL10 9LE

    Received 4 Oct 2017
  12. Decided - Granted6/2016/2578/EM

    Erection of a two storey rear extension, carport behind garage, garden shed and installation of solar panels to the rear elevation following demolition of existing ground floor rear extension

    7 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 29 Nov 2016
  13. Decided - Granted6/2021/1802/LAWP

    Certificate of lawfulness for the erection of a detached garden room.

    6 Stanborough Cottages Great North Road Welwyn Garden City AL8 7TE

    Received 10 Jun 2021
  14. Decided - Granted6/2025/0751/HOUSE

    Erection of a second storey extension to existing bungalow, alterations to the roof, front and rear dormers and two storey front and rear extensions

    57 Moffats Lane Brookmans Park AL9 7RT

    Received 22 Apr 2025
  15. Decided - Refused6/2022/2290/LAWP

    Certificate of lawfulness for the change of use from taxi booking office to kitchen for preparation of food for delivery service (class E)

    10 Bury Road Hatfield AL10 8BJ

    Received 3 Oct 2022
  16. Decided - GrantedC6/1987/0761/FP

    Two storey side extension

    2 The Quadrangle, Welwyn Garden City, AL8 6SG

    Received 1 Jan 1987
  17. Decided - Granted6/2018/1815/EM

    Erection of a single storey rear extension, replacement of existing chimney with false fibre glass chimney and alterations to openings on existing front elevations

    216 Howlands Welwyn Garden City AL7 4HF

    Received 10 Jul 2018
  18. Decided - Withdrawn6/2020/0083/LAWP

    Certificate of lawfulness for the erection of outbuilding

    28 New Park Road Newgate Street Hertford SG13 8RF

    Received 14 Jan 2020
  19. Decided - WithdrawnS6/2007/1380/LU

    CERTIFICATE OF LAWFULNESS FOR AN EXISTING MENAGE

    HIGH WILLOWS, Vineyards Road, Northaw, POTTERS BAR, Hertfordshire, EN6 4PE

    Received 17 Sept 2007
  20. Decided - GrantedN6/2015/0074/FP

    Replace and enlargement of vehicle hardstanding

    12 Hitherbaulk, Welwyn Garden City, AL7 4TD

    Received 19 Jan 2015
  21. Decided - GrantedN6/2008/2330/FP

    ERECTION OF REAR CONSERVATORY

    17 Warren Way Digswell Welwyn AL6 0DQ

    Received 9 Jan 2009
  22. Decided - GrantedW6/2013/1912/TE

    Remove deadwood and crown reduce Oak tree by 30%

    60 Brockswood Lane, WELWYN GARDEN CITY, AL8 7BQ

    Received 29 Aug 2013
  23. Appeal Decided - Withdrawn6/2018/2080/PN11

    Prior approval for change of use of the first, second and third floors from office (B1(a)) to residential (C3)

    Norton Building Bridge Road East Welwyn Garden City

    Received 7 Aug 2018
  24. Decided - GrantedW6/2013/1246/TE

    Removal of Pear tree

    167 Handside Lane, WELWYN GARDEN CITY, AL8 6TA

    Received 3 Jun 2013

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
  • 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