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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
40,154Searchable applications
303Recorded as pending
86%Approval rate · 33,677 approved or refused records
4,801Refused applications

28,876 approved · 4,801 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 4 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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 - Granted6/2024/0049/EM

    Replacement front door

    41 Beehive Lane, Welwyn Garden City, AL7 4BJ

    Received 8 Jan 2024
  2. Decided - WithdrawnN6/2007/1550/FP

    CHANGE OF USE FROM B1 (OFFICE) TO SUI GENERIS (BEAUTY SALON)

    10A High Street Welwyn AL6 9EQ

    Received 22 Oct 2007
  3. Decided - GrantedS6/2009/2071/FP

    ERECTION OF GARDEN SHED

    THE CART LODGE, 1 HOME FARM ROAD, NORTH MYMMS PARK, HATFIELD, HERTFORDSHIRE, AL9 7TP

    Received 10 Sept 2009
  4. Decided - Granted6/2026/0373/FULL

    Installation of new external wall insulation, new flat roofing and new windows and doors

    Kingsdale House Windsor Road Welwyn AL6 9LA

    Received 2 Mar 2026
  5. Decided - GrantedW6/2015/0920/EM

    Alterations to side elevation and installation of ramped access

    201 Knightsfield, Welwyn Garden City, AL8 7QL

    Received 30 Apr 2015
  6. Decided - GrantedN6/2013/0909/TP

    Fell Ash T1 and T2 covered by TPO 260

    58 New Road Digswell Welwyn AL6 0AN

    Received 30 Apr 2013
  7. Decided - Granted6/2016/0365/FULL

    Change of use from A1 (Retail) to sui generis use as a Pay Day Loan Shop.

    40 Town Centre, Hatfield, AL10 0JJ

    Received 4 Mar 2016
  8. Decided - Granted6/2019/1488/EM

    Fell 1 x Fir tree

    43 Hyde Valley Welwyn Garden City AL7 4NE

    Received 19 Jun 2019
  9. Decided - RefusedS6/2006/0108/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION AND PART GROUND FLOOR EXTENSION

    12 Broad Acres Hatfield AL10 9LD

    Received 25 Jan 2006
  10. Decided - Refused6/2018/2711/COND

    Submission of details pursuant to condition 5 (landscaping) on planning permission 6/2016/1882/FULL

    Former Roche Products Site 40 Broadwater Road Welwyn Garden City AL7 3EF

    Received 23 Oct 2018
  11. Decided - Granted6/2025/0515/LAWP

    Certificate of lawfulness for a single storey, pitched roof rear extension, following demolition of conservatory

    Bay Lodge Digswell Lane Welwyn AL6 0SN

    Received 19 Mar 2025
  12. Decided - Granted6/2024/1771/LAWP

    Certificate of lawfulness for conversion of garage into playroom and alterations to fenestration

    3 The Crest Welwyn AL6 0EF

    Received 12 Sept 2024
  13. Decided - Granted6/2021/2102/EMH

    Erection of a single storey rear extension

    15 West Mead Welwyn Garden City AL7 4SA

    Received 12 Jul 2021
  14. Decided - GrantedW6/2009/1095/EM

    PROPOSED NEW BLACK SOIL PIPE TO FRONT OF PROPERTY

    1 GUESSENS WALK, WELWYN GARDEN CITY, HERTS, AL8 6QS

    Received 28 May 2009
  15. Decided6/2022/1916/TC

    1 x Sycamore to clear phone lines by 1.5m. Remove major deadwood consisting of branches greater than 500mm in length and 50mm in diameter

    111 Handside Lane Welwyn Garden City AL8 6SP

    Received 16 Aug 2022
  16. Decided - GrantedN6/2014/0784/S73A

    Variation of condition 17 (Parking) of planning permission N6/2004/1334/FP - Erection of one hundred and twenty residential units and associated works

    Langstone Ley, Elson Mews, Tubbs Croft, Dowley Wood & Elderfield, Welwyn Garden City, AL7 1FQ

    Received 15 Apr 2014
  17. Decided - Refused6/2021/2649/LAWP

    Certificate of lawfulness for erection of 2m high wooden fence in front garden.

    3 Oakington Welwyn Garden City AL7 2PS

    Received 12 Sept 2021
  18. Decided - Granted6/2019/2476/HOUSE

    Erection of part single storey side and rear, part two storey rear extension, first floor front extension with alterations to front dormers and roof lights

    15 Thrush Lane Cuffley Potters Bar EN6 4JU

    Received 4 Oct 2019
  19. Decided - GrantedS6/2009/2244/DS

    DISCHARGE OF CONDITIONS:3 (LANDSCAPING, 6 (MATERIALS), 10 (WHEEL-CLEANING) AND 11 (VEHICULAR PARKING) FOR PLANNING PERMISSION S6/2009/558/FP

    42 THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4BA

    Received 9 Oct 2009
  20. Decided - GrantedN6/2004/0371/FP

    ERECTION OF TWO STOREY SIDE EXTENSION

    49 Great Dell Welwyn Garden City AL8 7HP

    Received 11 Mar 2004
  21. Decided - Refused6/2021/2600/HOUSE

    Conversion of roof space to habitable use to include a front and rear dormer, 1 x skylight, and the erection of a single storey front, side and rear extension

    28 Thistle Drive Hatfield AL10 9FQ

    Received 7 Sept 2021
  22. Appeal Decided - AllowedN6/2013/1424/FP

    Erection of first floor extension, removal of dormer window, insertion of roof lights on front elevation and removal of chimney stack

    Ayot Lodge, Ayot Green, Ayot St Peter, Welwyn, AL6 9AB

    Received 2 Jul 2013
  23. Decided - Granted6/2019/1667/FULL

    Change of use to class from (A1 use class) retail to (D2 use class) gymnasium

    Unit 54 The Howard Centre Howardsgate

    Received 8 Jul 2019
  24. Decided - GrantedS6/2013/0258/FP

    Erection of side extension and rear extensions including associated demolition

    39 The Meadway, Cuffley, POTTERS BAR, EN6 4ET

    Received 4 Feb 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

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How to search planning applications

Guides to planning records

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    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.

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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.

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