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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
30,931Searchable applications
303Recorded as pending
87%Approval rate · 25,766 approved or refused records
3,384Refused applications

22,382 approved · 3,384 refused · 1,644 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2015/0673/TC

    Removal of Beech Tree (T1) and remove suffient branches on Hornbean (T2) to make safe.

    Church Lane, Ayot St Lawrence, Welwyn, AL6 9BZ

    Received 25 Mar 2015
  2. Decided - Withdrawn6/2024/0863/LAWP

    Certificate of lawfulness for a single storey extension at the rear of the main dwelling

    47 Coopers Road Little Heath Potters Bar EN6 1JQ

    Received 8 May 2024
  3. Decided - Granted6/2023/0172/EMT

    1 x Eucalyptus to reduce by approximately 2m in height and 2m width (back to previous pruning points) 2 x Lawson cypress to reduce by approximately 1m height

    139 Parkway Welwyn Garden City AL8 6JB

    Received 24 Jan 2023
  4. Decided - Granted6/2022/2167/EMT

    3x 50ft Leylandii conifers to remove as they block light, suck up water, shed huge amounts, are dangerous due to size, and nesting birds produce excrement.

    39 Howicks Green Welwyn Garden City AL7 4RJ

    Received 20 Sept 2022
  5. Decided - Granted6/2025/1055/TPO

    T1 Oak tree to the front of the property to cut back the lateral growth by 20% or by up to 2 metres to suitable growing points T4 Oak to crown lift to 5m from ground level, which is approx crown break height

    17 Oaklands Rise Welwyn AL6 0RN

    Received 4 Jun 2025
  6. Decided - GrantedN6/2013/2517/AD

    Installation of 1x illuminated halo fascia sign, 1x illuminated projecting sign, 3x other illuminated signs, 1x set of 5x non illuminated windbreaks and frosted vinyls

    Pizza Express, 40 Howardsgate, Welwyn Garden City, AL8 6BJ

    Received 22 Nov 2013
  7. Decided - Granted6/2022/0260/TPO

    Sweet chestnut (T1) - crown lift to 4m Sweet chestnut (T3) - crown lift to 4m

    17A Chestnut Walk Welwyn AL6 0SD

    Received 7 Feb 2022
  8. Decided - Refused6/2020/3238/HOUSE

    Erection of a single storey front extension with canopy. Enlargement and extension of existing loft accommodation with installation of rooflight and dormer windows. Alterations to external fenestration, doors and materials.

    48 Brocket Road Welwyn Garden City AL8 7TY

    Received 3 Dec 2020
  9. Decided - GrantedN6/2015/1064/TC

    Reduce Sycamore tree and Hornbeam tree by upto 25%

    53 Handside Lane, Welwyn Garden City, AL8 6SH

    Received 21 May 2015
  10. Decided - GrantedS6/2013/2208/NM

    Non material amendment following approval of planning permission S6/2013/0477/FP - Decrease size of openings and change method of opening windows

    Cucumber Hall, Cucumber Lane, Essendon, HATFIELD, AL9 6JB

    Received 22 Oct 2013
  11. Decided - Granted6/2018/0685/PN11

    Prior approval for a change of use from office (B1(a)) to dwellinghouse (C3), to include the creation of 70 units

    Development Park Former Xerox Campus Welwyn Garden City AL7 1HE

    Received 9 Mar 2018
  12. Decided - Granted6/2018/1968/HOUSE

    Erection of a single storey side/rear infill extension

    13 Birch Drive Hatfield AL10 8NX

    Received 26 Jul 2018
  13. Decided - WithdrawnS6/2014/1998/FP

    Erection of 1no two bedroom dwelling

    1 Stonecross Road, Hatfield, AL10 0HR

    Received 9 Sept 2014
  14. Decided - Granted6/2019/0504/HOUSE

    Erection of single storey rear extension following removal of shed with alterations to openings

    255 Handside Lane Welwyn Garden City AL8 6TF

    Received 6 Mar 2019
  15. Decided - Granted6/2024/1636/FULL

    Erection of a replacement dwelling

    84 Warrengate Road North Mymms Hatfield AL9 7TY

    Received 28 Aug 2024
  16. Decided - Granted6/2024/0480/EM

    Extension of existing driveway to make space for 2 extra cars

    154 Howlands Welwyn Garden City AL7 4RG

    Received 12 Mar 2024
  17. Decided - GrantedN6/2014/2518/DS

    Approval of details reserved by condition 3 (materials) of N6/2014/0208/DE

    Former The Frythe 5 Digswell Hill Welwyn AL6 9AR

    Received 18 Nov 2014
  18. Decided - Granted6/2021/2071/LAWE

    Certificate of lawfulness for the existing conservatory

    2 Harvest Mead Hatfield AL10 0JD

    Received 8 Jul 2021
  19. Decided - Granted6/2026/0506/EM

    Installation of a conservatory at rear of property

    7A Mill Green Road Welwyn Garden City AL7 3UU

    Received 18 Mar 2026
  20. Decided - Granted6/2016/2509/EM

    Replacement windows to front and rear of property.

    257 Handside Lane Welwyn Garden City AL8 6TF

    Received 24 Nov 2016
  21. Decided - Granted6/2016/1438/EM

    Erection of garden shed following demolition of existing garden shed and removal of Leyland Cypress tree

    31 Howicks Green Welwyn Garden City AL7 4RJ

    Received 15 Jul 2016
  22. Decided - Refused6/2017/1154/FULL

    Erection of 1x 3-bedroom detached house following demolition of existing building

    13 The Avenue Welwyn AL6 0PW

    Received 26 May 2017
  23. Decided - Granted6/2025/0716/PN8

    Prior approval for the erection of a rear extension measuring 8m in depth, 2.6m in height and 2.6m to the eaves

    53 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 14 Apr 2025
  24. DecidedN6/2013/1795/NM

    Non material amendment following approval of planning permission N6/2012/2091/FP - Addition of a window to side gable elevation to proposed loft

    3 Sandpit Road, Welwyn Garden City, AL7 3TW

    Received 19 Aug 2013

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

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.

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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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