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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
31,725Searchable applications
303Recorded as pending
87%Approval rate · 26,494 approved or refused records
3,473Refused applications

23,021 approved · 3,473 refused · 1,675 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 19 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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2022/0020/EM

    Erection of shed in rear garden

    33 Crossway Welwyn Garden City AL8 7ED

    Received 5 Jan 2022
  2. Decided - Granted6/2025/0885/HOUSE

    Erection of a single storey side/rear extension, single storey front porch and rear infill extension with internal alterations

    3 The Holdings Hatfield AL9 5HH

    Received 14 May 2025
  3. Decided - Granted6/2020/0966/FULL

    Erection of two three-bedroom semi-detached dwellings following demolition of existing commercial building and garages

    13 New Road Welwyn Garden City AL8 7TX

    Received 29 Apr 2020
  4. Decided - Granted6/2017/0555/LAWP

    Certificate of lawfulness for the erection of a single storey side, part single and part two storey rear extension with the installation of 1 window to side elevation.

    143 Howlands Welwyn Garden City AL7 4RL

    Received 20 Mar 2017
  5. Decided - Granted6/2025/0850/COND

    Submission of details pursuant to Condition 10 (Ecological Enhancement Plan) on planning permission 6/2024/1323/MAJ

    Premier Inn Lemsford Road Hatfield AL10 0DA

    Received 6 May 2025
  6. Under Consideration6/2026/1334/TPO

    T2 & T3 Oaks to crown reduce by 1.5m-2m in height and width. (covered by TPO 827 (2018))

    Peel Court College Way Welwyn Garden City AL8 6DG

    Received 29 Jul 2026
  7. Decided - WithdrawnS6/2013/2646/FP

    Erection of a detached dwelling with associated parking following the change of use of the land from parking, including the demolition of existing garages (with the exception of the rear walls) and removal of existing hardstanding

    Garages and land adjacent to flats at, 37-48 Lambs Close, Cuffley, Potters Bar, EN6 4HD

    Received 16 Dec 2013
  8. Decided - Granted6/2016/2741/PN8

    Prior approval for the erection of single storey rear extension measuring 6m in depth, 3m in height and 3m to the eaves

    59 Briars Wood Hatfield AL10 8DH

    Received 22 Dec 2016
  9. Decided6/2024/0234/TC

    2 x silver birch - reduce by approximately 2m in height and width (back to previous pruning points). Both trees have been historically reduced hard, leading to decayed pruning points. Works will reduce the risk of branches breaking out.

    36 Attimore Road Welwyn Garden City AL8 6LP

    Received 5 Feb 2024
  10. Decided - Granted6/2024/0674/EM

    Replacement of part of privet hedge in front garden

    128 Parkway Welwyn Garden City AL8 6HP

    Received 9 Apr 2024
  11. Decided - Granted6/2017/0352/FULL

    Alterations to vehicle access crossover on public highway

    32 Hyde Way Welwyn Garden City AL7 3UQ

    Received 23 Feb 2017
  12. Decided6/2020/1404/TC

    Fell 1x Fir tree

    59 Woodhall Lane Welwyn Garden City AL7 3TG

    Received 17 Jun 2020
  13. Decided - Refused6/2017/2948/PN3

    Prior approval for the erection of an agricultural building

    Lockley Farm Welwyn AL6 0BL

    Received 20 Dec 2017
  14. Decided - Granted6/2016/0110/EM

    Erection of single storey side extension, partial conversion of garage and alterations to openings

    9 Handside Green, Welwyn Garden City, AL8 6SQ

    Received 20 Jan 2016
  15. Decided - Refused6/2024/0858/COND

    Submission of details pursuant to condition number Condition 1 (Construction Management Plan), 6 (Surface Water Drainage Scheme) and 9 (Proposed Roads, Footways and Cycleways) on planning permission 6/2020/3222/MAJ

    Beadles Volkswagen Van Centre Harpsfield Broadway Hatfield AL10 9TF

    Received 7 May 2024
  16. Decided - Granted6/2026/0376/FULL

    Single storey rear extension, extraction equipment to rear and installation of roller shutters

    17-17a Town Centre Hatfield AL10 0JZ

    Received 2 Mar 2026
  17. Decided - Granted6/2020/0953/HOUSE

    Erection of a single storey rear extension and alterations to openings

    8 Cranborne Road Hatfield AL10 8AP

    Received 28 Apr 2020
  18. Decided - Granted6/2023/2457/EM

    Formation of hardstanding. Reduce hedge in front garden by approximately 3.5m for access

    2 Marsden Green Welwyn Garden City AL8 6YA

    Received 6 Dec 2023
  19. Decided - Granted6/2016/0693/LAWP

    Certificate of lawfulness for the installation of 3no doors into existing glazed wall systems

    T-Mobile 61157, Trident Place, 1 Mosquito Way, Hatfield, AL10 9BW

    Received 15 Apr 2016
  20. Decided - Granted6/2024/0782/TPO

    T1 to fell uprooted silver birch (Betula pendula).

    21 Mardley Avenue Welwyn AL6 0TU

    Received 25 Apr 2024
  21. Decided - Granted6/2016/2250/HOUSE

    Erection of single storey rear extension following demolition of existing

    15 Glebeland Hatfield AL10 8AA

    Received 26 Oct 2016
  22. Decided - Granted6/2016/0099/HOUSE

    Erection of single storey side and rear extension and conversion of a garage into living accommodation

    26 Peregrine Way, Hatfield, AL10 9UP

    Received 20 Jan 2016
  23. Decided - Granted6/2022/2866/TPO

    T771: 1 x Hornbeam coppice to ground level. T775: 1 x Ash coppice to ground level. T770, T795, & T796: 3 x Hornbeam coppice to ground level. (See Arboricultural Assessment Report for more detail) All covered by TPO 691 (2017).

    Street Record Birchall Wood Welwyn Garden City AL7 2HL

    Received 19 Dec 2022
  24. Decided - Granted6/2023/1033/TPO

    Remove middle hornbeam of the three hornbeam located at the front of the property and remove one low branch over the road to prevent obstruction.

    33 Mardley Wood Welwyn AL6 0UY

    Received 16 May 2023

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

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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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