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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
24,895Searchable applications
313Recorded as pending
86%Approval rate · 20,428 approved or refused records
2,811Refused applications

17,617 approved · 2,811 refused · 1,317 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/1430/EM

    Provision of a ramped approach to the front elevation. Replacement of driveway and patio with like for like materials with slope to reduce ramp height

    3 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 29 Jul 2024
  2. Decided - Withdrawn6/2023/2347/FULL

    Installation of two modular single storey units

    Rhodes Wood Hospital School Rhodes Wood Hospital Shepherds Way Hatfield AL9 6NN

    Received 21 Nov 2023
  3. Decided - Granted6/2026/0975/HOUSE

    Erection of single storey rear extension and open pergola following demolition of conservatory

    4 Northwood Welwyn Garden City AL7 2PX

    Received 3 Jun 2026
  4. Decided - Granted6/2026/0864/HOUSE

    Erection of two storey side and rear extension (resubmission of lapsed consent 6/2022/1846/HOUSE)

    15 Bradmore Way Brookmans Park AL9 7QY

    Received 15 May 2026
  5. Decided - Granted6/2026/0652/EM

    Single storey rear/side infill and rear extension, first floor side/rear extension, garage conversion including 1.5m extension and raising of roof, alteration to side elevation opening and insertion of rooflight to existing roof.

    88 Attimore Road Welwyn Garden City AL8 6LP

    Received 13 Apr 2026
  6. Decided - Granted6/2021/1512/FULL

    Installation of sprinkler tanks and pump room

    2 City Park Pacific House Swiftfields Welwyn Garden City AL7 1LY

    Received 12 May 2021
  7. Decided - Granted6/2026/1392/HOUSE

    Erection of a single storey rear extension

    1 Little Wade Welwyn Garden City AL7 4LE

    Received 6 Aug 2026
  8. Decided - Granted6/2017/1671/COND

    Submission of details pursuant to condition 1 (materials samples) on planning permission 6/2016/2577/HOUSE, dated 24/01/2017

    7 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 28 Jul 2017
  9. Decided - Granted6/2024/1373/HOUSE

    Erection of a porch, new pitched roof to front projection, garage conversion, fenestration alterations and replacement of tile hung finish

    20 Kindersley Close Welwyn AL6 9RN

    Received 17 Jul 2024
  10. Decided6/2020/1171/TC

    Fell 1 x Red Western Cedar tree

    120 Howlands Welwyn Garden City AL7 4RG

    Received 26 May 2020
  11. Decided - Granted6/2022/0667/EM

    Rear Garden Shed / home office / summer house

    150 Howlands Welwyn Garden City AL7 4RG

    Received 21 Mar 2022
  12. Decided - Granted6/2019/0225/EM

    Installation of skylight and front window to replace garage door

    10 Homerfield Welwyn Garden City AL8 6QZ

    Received 4 Feb 2019
  13. Decided - Granted6/2023/0159/EM

    Replacement of failing timber-framed aluminium windows with modern uPVC double glazed units Style in keeping with surrounding properties; white frames, Georgian bars to match existing Addition of support lintel above ground floor front window to strengthen opening for uPVC installation

    57 Knightsfield Welwyn Garden City AL8 7JE

    Received 23 Jan 2023
  14. Decided - Granted6/2023/1949/TPO

    2 Larch and 2 Yew Trees - reduce by 1.5 to 2 meters to avoid excessive height and encroachment

    5 Harmer Dell Welwyn AL6 0BE

    Received 21 Sept 2023
  15. Decided - Withdrawn6/2021/1992/FULL

    Erection of a single storey rear/side extension and alterations to openings, extension of existing patio area, new steps to access rear garden and creation of new pathway to front garden area including change of use of grass verge.

    171 Knightsfield Welwyn Garden City AL8 7QG

    Received 1 Jul 2021
  16. Decided - Granted6/2019/0881/FULL

    Change of use of part of the rear car park to a car wash with the siting of an associated cabin (retrospective)

    Hatfield Sports Hall, Travellers Lane, Hatfield, AL10 8TJ

    Received 11 Apr 2019
  17. Decided6/2021/2854/TC

    1 x Robinia to fell to ground level 1 x Lombardy Poplar to fell to ground level

    21 Springfields Welwyn Garden City AL8 6XS

    Received 5 Oct 2021
  18. Decided - Granted6/2022/1535/LAWE

    Certificate of lawfulness for the existing front door

    Jubilee Cottage 55 High Street Welwyn AL6 9EH

    Received 30 Jun 2022
  19. Decided - Granted6/2020/1377/HOUSE

    Erection of single storey extensions

    32 Parkway Welwyn Garden City AL8 6HQ

    Received 16 Jun 2020
  20. Appeal Decided - Dismissed6/2015/2098/HOUSE

    Raising of garage roof height to accommodate gymnasium with external access stairs

    Dimsdale House, Essendon Place, High Road, Essendon, Hatfield, AL9 6GZ

    Received 9 Oct 2015
  21. Decided - Granted6/2017/0092/FULL

    Erection of a six bedroom detached dwellinghouse following demolition of existing dwellinghouse - revision of planning permission 6/2015/2469/FULL to provide a single storey rear extension

    84 Pine Grove Brookmans Park Hatfield AL9 7BW

    Received 19 Jan 2017
  22. Decided - Granted6/2017/1279/MAJ

    Erection of side infill extension

    Homerswood Primary And Nursery School Kirklands Welwyn Garden City AL8 7RF

    Received 13 Jun 2017
  23. Decided - Granted6/2018/0750/EM

    Erection of two storey side extension, following demolition of existing detached garage and widening of front hardstanding.

    2 Aldock Welwyn Garden City AL7 4QF

    Received 20 Mar 2018
  24. Decided - Granted6/2021/0485/TPO

    Fell 2 x Pine trees Lift 1 x Conifer tree to height of 25ft roadside only to allow installation of a new hedge, branches to be taken to a suitable growth point Prune 2 x large boughs on 2 x pines Prune deadwood Pines covered by TPO 459

    24 The Ridgeway Cuffley Potters Bar EN6 4AR

    Received 15 Feb 2021

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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