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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
25,151Searchable applications
310Recorded as pending
86%Approval rate · 20,665 approved or refused records
2,826Refused applications

17,839 approved · 2,826 refused · 1,329 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2015/2322/HOUSE

    Erection of summer house for business use (dog grooming parlour)

    19 Fallowfield, Welwyn Garden City, AL7 1EE

    Received 16 Nov 2015
  2. Decided - Granted6/2025/0748/LAWP

    Certificate of lawfulness for the formation of two dormer windows within the side roofslopes and installation of three rooflights to side elevations

    10 Raymonds Close Welwyn Garden City AL7 4TH

    Received 22 Apr 2025
  3. Decided - Granted6/2023/0257/LAWP

    Certificate of lawfulness for single storey side and rear extension

    43 Windsor Road Welwyn AL6 9JY

    Received 2 Feb 2023
  4. Decided - Withdrawn6/2017/2952/COND

    Submission of details pursuant to condition 2 a (original and proposed levels), b (boundary treatments), c (parking), d (vehicle and pedestrian access), e (hard landscape features), g (planting plans), h (biodiversity enhancement), i (planting and features details) and j (management and maintenance details) on planning permission 6/2016/2706/MAJ, dated 20/06/2017

    Ponsbourne Indoor Riding School Newgate Street Hatfield SG13 8QS

    Received 21 Dec 2017
  5. Decided - Split6/2020/3194/COND

    Submission of details pursuant to conditions 8 (surface water drainage), 9 (off site highway improvement), 10 (photovoltaic panels), 11 (soft landscaping works), 12 (vehicular access) and 14 (visibility splays) on planning permission 6/2019/1382/FULL

    KELLARD HOUSE (formally Entech House), London Road, Woolmer Green, SG3 6JR

    Received 30 Nov 2020
  6. Decided - Granted6/2021/2882/COND

    Submission of details pursuant to condition 20 (details of any external street lights) and condition 21 (details of Life Times homes standard) on planning application 6/2019/0217/MAJ

    Northaw House Coopers Lane Northaw Potters Bar EN64NG

    Received 7 Oct 2021
  7. Decided - Granted6/2021/2355/EM

    Conversion of garage to habitable space for use as utility room

    164 Daniells Welwyn Garden City AL7 1QW

    Received 9 Aug 2021
  8. Decided - Refused6/2020/2838/LAWP

    Certificate of lawfulness for single storey rear infill and loft extension with alterations to garage fenestration

    75 Brookside Crescent Cuffley Potters Bar EN6 4QP

    Received 29 Oct 2020
  9. Decided - Granted6/2020/3187/FULL

    Erection of two, 4-bedroom dwellings with associated access, garages, parking and amenity space following demolition of existing dwelling.

    7 Wendover Drive Welwyn AL6 9LT

    Received 25 Nov 2020
  10. Decided - Granted6/2017/1997/EM

    Installation of window to front elevation following removal of existing door

    229 Howlands Welwyn Garden City AL7 4HG

    Received 5 Sept 2017
  11. Decided - Granted6/2020/2871/EM

    Replacement of 4 no. first floor windows like-for-like. Replacement of front door with composite door of modern design, including colour change.

    28 Ingles Welwyn Garden City AL8 7HH

    Received 3 Nov 2020
  12. Decided - Granted6/2024/1507/HOUSE

    Erection of part one, part two storey side and rear extension

    168 Crawford Road Hatfield AL10 0PA

    Received 8 Aug 2024
  13. Decided - Granted6/2016/2520/EM

    Erection of two storey rear extension

    5 Guessens Road Welwyn Garden City AL8 6QW

    Received 23 Nov 2016
  14. Decided - Granted6/2025/2564/FULL

    Erection of outbuilding to be sited within extended residential curtilage

    55 Peplins Way Brookmans Park AL9 7UR

    Received 15 Dec 2025
  15. Decided - Granted6/2021/0459/HOUSE

    Erection of a two storey side extension

    50 London Road Welwyn AL6 9HX

    Received 12 Feb 2021
  16. Decided - Granted6/2021/2595/FULL

    Erection of a three storey, 4-bed, detached dwelling

    71 Bluebridge Road Hatfield AL9 7UW

    Received 7 Sept 2021
  17. Decided - Granted6/2022/1212/EM

    Replacement of front door with side windows

    44 High Oaks Road, Welwyn Garden City, AL8 7BS

    Received 25 May 2022
  18. Decided - Granted6/2016/2617/HOUSE

    Erection of single storey rear extension with internal alterations and alterations to fenestration

    8 The Holt Welwyn Garden City AL7 2HU

    Received 9 Dec 2016
  19. Decided - Granted6/2016/1171/HOUSE

    Replacement of brick wall to front of property with new wall and electric gates

    22 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QJ

    Received 14 Jun 2016
  20. Decided - Granted6/2017/0935/TPO

    Reduce rear hedge and 1 Plum tree by 50% plus trim group of plums away from roof and cut back by 2m - Conservation Area

    33 Attimore Road Welwyn Garden City AL8 6LQ

    Received 4 May 2017
  21. Decided - Withdrawn6/2022/2024/COND

    Submission of details pursuant to conditions 14 and 15(a) (off-site highway improvement works) on planning application 6/2018/0171/MAJ

    Former Shredded Wheat Factory Welwyn Garden City AL8 6UN

    Received 31 Aug 2022
  22. Decided - Granted6/2023/0363/TPO

    T1 - Beech tree - Remove limb suffering from beech bark disease (primary branch at 1.5m above ground level on western side of trunk)

    23 Warren Way Digswell Welwyn AL6 0DQ

    Received 16 Feb 2023
  23. Decided - Refused6/2018/0317/LB

    Conversion of existing outbuilding into a games room

    Paynes Farm New Road Woolmer Green Knebworth SG3 6LE

    Received 31 Jan 2018
  24. Decided - Granted6/2019/2117/LB

    Installation of glazed porch door

    Aqua Ristorante Ltd 28 High Street Welwyn AL6 9EQ

    Received 27 Aug 2019

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

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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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