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England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
28,511Searchable applications
307Recorded as pending
87%Approval rate · 23,599 approved or refused records
3,172Refused applications

20,427 approved · 3,172 refused · 1,518 withdrawn. Received dates in our records: 1 Nov 1999 to 13 Oct 2026. Most recent record check: 17 Oct 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2019/2433/TC

    Reduce 1 x Oak crown by 20%

    11 Coneydale Welwyn Garden City AL8 7RX

    Received 30 Sept 2019
  2. Decided - GrantedN6/2014/2072/FP

    Erection of bike shed/store

    56 Springfields, Welwyn Garden City, AL8 6XN

    Received 19 Sept 2014
  3. Decided - Refused6/2023/0979/LAWP

    Certificate of lawfulness for the erection of four outbuildings

    Manor Cottage Vineyards Road Northaw Potters Bar EN6 4PQ

    Received 9 May 2023
  4. Decided - Granted6/2021/1638/EMT

    Fell 1 x Goat Willow tree

    14 Uplands Welwyn Garden City AL8 7EW

    Received 21 May 2021
  5. Decided - Granted6/2022/0041/EM

    Erection of a single storey rear/side extension and a single storey front/side extension with alterations to openings including insertion of roof lights onto the existing and proposed roofs. Removal of existing shed.

    6 Corn Mead Welwyn Garden City AL8 7QR

    Received 7 Jan 2022
  6. Decided - GrantedN6/2014/0761/TP

    Fell T47 Oak covered by TPO260

    17 Mornington Digswell Welwyn AL6 0AJ

    Received 2 Apr 2014
  7. Decided - Granted6/2018/2364/COND

    Submission of details pursuant to condition 1 (materials samples) on planning permission 6/2018/1173/HOUSE

    1 Rooks Close Welwyn Garden City AL8 6JT

    Received 12 Sept 2018
  8. Decided - Granted6/2021/0474/COND

    Submission of details pursuant to conditions 2 (landscape works) and 3 (biodiversity) on planning permission 6/2020/1365/FULL

    34 Vineyard Road Northaw EN6 4PA

    Received 15 Feb 2021
  9. Decided - Granted6/2017/0091/EM

    Erection of single storey side and rear extension

    10 Homestead Lane Welwyn Garden City AL7 4LU

    Received 17 Jan 2017
  10. Decided - Granted6/2023/2074/LAWP

    Certificate of lawfulness for the erection of proposed single storey outbuilding with a gym and pool to serve the main house

    6 High Ridge Cuffley Potters Bar EN6 4JH

    Received 10 Oct 2023
  11. Decided - Refused6/2021/0739/HOUSE

    Retention of erection of a single storey side storage unit

    51 Oakdale Welwyn Garden City AL8 7QP

    Received 8 Mar 2021
  12. Decided - Granted6/2018/0307/EM

    Installation of new window and patio doors to rear, brick up bottom front window with new windows to front and install flue to rear of roof

    5 Marsden Close Welwyn Garden City AL8 6YE

    Received 31 Jan 2018
  13. Decided - Granted6/2024/1664/ADV

    Installation of 1 x internally illuminated totum sign

    Unit 1A Oldings Corner Retail Park Comet Way Hatfield AL9 5JJ

    Received 30 Aug 2024
  14. Decided - Withdrawn6/2017/0089/COND

    Approval of details reserved by condition 1 (Approved plans & details) on planning permission 6/2016/2002/HOUSE

    6 High Oaks Road Welwyn Garden City AL8 7BH

    Received 17 Jan 2017
  15. Decided - GrantedW6/2013/1858/EM

    Replacement windows, part demolition of existing side extension and erection of single storey side extension, erection of two storey rear extension with roof alterations incorporating loft conversion

    11 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 28 Aug 2013
  16. Decided - Granted6/2022/2875/HOUSE

    Erection of a single storey rear and side extensions following the demolition of timber garage/store and rear conservatory.

    11 Stacklands Welwyn Garden City AL8 6XW

    Received 20 Dec 2022
  17. Decided - Granted6/2022/2799/PN8

    Prior approval for the erection of a single-storey gable end extension measuring 6 metres in depth, 3.10 metres in height and 2.57 metres to eaves

    10 Deerswood Avenue Hatfield AL10 8RX

    Received 9 Dec 2022
  18. Decided - Granted6/2022/2094/EM

    Installation of solar panels on sloping, south-facing roof.

    24 Reddings Welwyn Garden City AL8 7LA

    Received 7 Sept 2022
  19. Decided - Refused6/2024/1772/HOUSE

    Installation of electric sliding gate

    3 The Crest Welwyn AL6 0EF

    Received 12 Sept 2024
  20. Decided - Granted6/2018/0572/HOUSE

    Erection of a single storey rear extension, first floor side extensions, rear juliet balcony, front porch and alterations to openings

    4 Dolesbury Drive Welwyn AL6 0QF

    Received 27 Feb 2018
  21. Decided - Withdrawn6/2018/1948/LB

    Construction of outdoor swimming pool

    Great Nast Hyde House Wilkins Green Lane Hatfield AL10 9RB

    Received 24 Jul 2018
  22. Decided - Granted6/2023/1181/LAWP

    Certificate of lawfulness for a single storey side extension, removal of chimney, replacement of windows and partial rendering of walls

    59 Brookside Crescent Cuffley Potters Bar EN6 4QP

    Received 5 Jun 2023
  23. Decided6/2026/0789/TC

    General Tree Maintenance and Management. T1 - Beech (Fagus Sycavatica) : Crown Reduction of 1.5metres. T2 - Silver Birch (Betula pendula) : Crown Reduction of up to 1.5metres back to previous cuts. T3 - Magnolia : Crown Reduction up up to 1.5metres in some places just 1metre. Back to near previous. T4 - Honey Locust : Crown lift the honey locust to 3m and to crown reduce the tree by approx. 1.5m back to previous reduction points.

    7 Mannicotts Welwyn Garden City AL8 7BW

    Received 6 May 2026
  24. Decided6/2020/1227/FULL

    Retrospective application for the change of use of the land to allow for use as a depot of highways maintenance services including open storage of machinery, vehicles and aggregates; and retention of shipping container for a temporary period (Site 2)

    Land at Roehyde Ryders Avenue A414 North Orbital Road Hatfield AL4 0RZ

    Received 2 Jun 2020

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

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    Planning application documents: what to read first

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  • 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.

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  • 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.

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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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