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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
22,714Searchable applications
313Recorded as pending
86%Approval rate · 18,467 approved or refused records
2,599Refused applications

15,868 approved · 2,599 refused · 1,178 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/2791/HOUSE

    Erection of two-storey side extension and part two-storey, part single storey rear extension, raised terrace and steps to the rear

    5 Hawbush Rise Welwyn AL6 9PZ

    Received 29 Nov 2017
  2. Decided - Granted6/2020/3275/HOUSE

    Erection of a two storey side extension

    41 The Ridgeway Cuffley Potters Bar EN6 4BD

    Received 7 Dec 2020
  3. Decided6/2020/1750/TC

    Reduce 1 x Sweet Chestnut Tree by 2m

    4 Ayot House Hill Farm Lane Welwyn AL6 9BP

    Received 16 Jul 2020
  4. Decided - Granted6/2017/1293/HOUSE

    Erection of rear conservatory

    60 Dalewood Welwyn Garden City AL7 2JW

    Received 14 Jun 2017
  5. Decided - Granted6/2024/1613/EMT

    Lawson cypress hedge to remove to ground level, grind out stumps to approximately 200mm below existing ground level. The hedge has been severely cut back one side and is now subsiding and declining. 1 x Cherry plum to remove in sections to ground level. Tree is declining and there is a large decaying cavity on trunk. The Cherry has reached its potential lifespan. 1 x Ash to remove in sections to below hedge height using specialist rigging techniques to lower branches in a safe manner. Tree is located in close proximity between 2 properties. Historic pruning has created proliferation of growth exacerbating issues of light and issues to neighbouring property. The tree is a nuisance with overhanging branches with debris and bird poo on cars and driveway 1 x Poplar to remove in sections to ground level. Half of the tree is dead the other half compromised by the large dying cavity

    6 Hall Grove Welwyn Garden City AL7 4PN

    Received 22 Aug 2024
  6. Decided - Granted6/2020/0323/HOUSE

    Erection of single storey rear extension

    13 Coopers Road Little Heath Potters Bar EN6 1JG

    Received 5 Feb 2020
  7. Decided - Granted6/2018/2540/HOUSE

    Erection of a two storey extension

    Ayot Bury Lodge Ayot St Peter Road Ayot St Peter Welwyn AL6 9BG

    Received 3 Oct 2018
  8. Decided - Granted6/2018/2954/EM

    Retrospective - Fell 1x Conifer tree

    25 Kirklands Welwyn Garden City AL8 7RF

    Received 16 Nov 2018
  9. Decided - Refused6/2020/0640/LAWP

    Certificate of lawfulness for replacement of existing windows

    5 Twelve Acres Welwyn Garden City AL7 4TG

    Received 6 Mar 2020
  10. Decided - Split6/2024/1214/COND

    Submission of details pursuant to Condition 5 (Interim Surface Water Management Plan), Condition 8 (Surface Water Drainage Scheme), Condition 9 (Damp Proof Course Level), Condition 10 (Off-site Highways Works RSA), Condition 12 (Detail between Paviors and fillings of joints), Condition 17 (External Lighting), Condition 19 (SUDS) on planning permission 6/2022/2317/MAJ

    Videne Hawkshead Road Little Heath Potters Bar EN6 1LX

    Received 28 Jun 2024
  11. Decided - Refused6/2020/1299/HOUSE

    Erection of part single, part two storey rear extension, single storey side extension and addition of cladding.

    6 Burnside Close Hatfield AL10 0QU

    Received 9 Jun 2020
  12. Decided - Granted6/2021/0577/HOUSE

    Retention of existing outbuilding and single storey rear extension with current pitched roof on the latter changed to flat

    24 St Audreys Green Welwyn Garden City AL7 3RT

    Received 23 Feb 2021
  13. Decided - Granted6/2022/0285/EM

    Erection of garden out building for use as a home office for the home owner.

    1 Little Youngs Welwyn Garden City AL8 6SL

    Received 8 Feb 2022
  14. Decided - Granted6/2022/1998/ADV

    Installation of 2 sets of externally illuminated fascia text and 1 externally illuminated projection sign

    9 Osborn House Howardsgate Welwyn Garden City AL8 6AT

    Received 26 Aug 2022
  15. Decided - Granted6/2024/1059/EM

    Replacement of front external door

    3 Camfield, Welwyn Garden City, AL7 4ED

    Received 7 Jun 2024
  16. Decided - Granted6/2020/1640/COND

    Submission of details in pursuant of condition 1 (phasing strategy to include the new classrooms and science block, the residential development and the new sports facilities, and to ensure continuous provision of games) on planning permission 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 8 Jul 2020
  17. Decided - Split6/2022/0087/COND

    Confirmation that all planning conditions have been discharged on application S6/2014/0086/FP

    2 Mulberry Mead Hatfield AL10 9EN

    Received 10 Jan 2022
  18. Decided - Granted6/2021/2451/ADV

    Installation of 2 no. Internally illuminated fascia sign and 1 no. internally illuminated projecting sign

    33 Town Centre Hatfield AL10 0JX

    Received 23 Aug 2021
  19. Decided - Withdrawn6/2017/1356/EM

    Erection of a climbing frame in back garden

    150 Heronswood Road Welwyn Garden City AL7 3EU

    Received 23 Jun 2017
  20. Under Consultation6/2025/2294/EM

    Erection of a two storey side/single storey rear extension and loft conversion (resubmission of refused application 6/2025/0950/EM)

    79 Mill Green Road Welwyn Garden City AL7 3UX

    Received 29 Oct 2025
  21. Appeal Decided - Dismissed6/2024/0083/HOUSE

    Retention of front boundary wall

    24 Great North Road Welwyn AL6 0PS

    Received 12 Jan 2024
  22. Decided6/2020/1654/TC

    Reduce 1 x Fir tree by 50%

    3 High Grove Welwyn Garden City AL8 7DW

    Received 9 Jul 2020
  23. Decided - Withdrawn6/2018/0708/HOUSE

    Erection of a boundary fence measuring 8ft (retrospective)

    11 Oaklea Welwyn AL6 0PT

    Received 15 Mar 2018
  24. Under Consideration6/2026/0620/HOUSE

    Erection of a two-storey side extension, associated roof alterations, and the erection of a brick boundary wall

    1 Old Leys Hatfield AL10 8LR

    Received 8 Apr 2026

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.

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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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    Published Updated

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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