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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
21,825Searchable applications
296Recorded as pending
86%Approval rate · 17,682 approved or refused records
2,510Refused applications

15,172 approved · 2,510 refused · 1,127 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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. Under Consideration6/2026/1267/EM

    Installation of two external air-to-air heat pump units, which would be capable of providing heating and cooling to the property

    21 Reddings Welwyn Garden City AL8 7LA

    Received 20 Jul 2026
  2. Decided - Granted6/2017/2762/LAWP

    Certificate of lawfulness for the erection of single storey rear extension

    58 Bradshaws Hatfield AL10 9QP

    Received 27 Nov 2017
  3. Decided - Granted6/2017/1929/HOUSE

    Erection of a two storey rear and side extension, including demolition of existing garage

    4 Aldock Welwyn Garden City AL7 4QF

    Received 25 Aug 2017
  4. Decided - Granted6/2022/2878/EM

    Loft conversion with dormer to rear, garage conversion with insertion of roof light and new side door, plus window to existing side elevation

    21 Fearnley Road Welwyn Garden City AL8 6HW

    Received 20 Dec 2022
  5. Decided - Refused6/2020/1273/HOUSE

    Erection of a single storey side extension and external alterations

    7 Waterbeach Welwyn Garden City AL7 2PT

    Received 8 Jun 2020
  6. Decided6/2018/1830/TPO

    Fell 1 x Oak tree (H10 D4) - conservation area

    Little Acres Foxes Lane Hatfield AL9 7BA

    Received 11 Jul 2018
  7. Decided - Withdrawn6/2021/0219/COND

    Submission of details pursuant to conditions 1 (landscaping details), 2 (external materials) and 3 (approval of cycle parking) on planning permission 6/2020/2167/FULL

    16 The Ryde Hatfield AL9 5DH

    Received 25 Jan 2021
  8. Decided - Granted6/2019/1158/EM

    Erection of two storey side and rear infill extension, with alterations to existing openings.

    1 Polayn Garth Welwyn Garden City AL8 7DJ

    Received 10 May 2019
  9. Decided - Granted6/2017/0837/HOUSE

    Erection of single storey and two storey rear extension following part demolition of existing rear single storey extension

    36 Osborne Road, Little Heath, Potters Bar, EN6 1SF

    Received 24 Apr 2017
  10. Decided - Granted6/2020/0867/EM

    Erection of outbuilding

    82 Woodhall Lane Welwyn Garden City AL7 3TF

    Received 14 Apr 2020
  11. Decided6/2024/0422/TC

    1x Apple - reduce by approximately 1.2m in height and width (to previous pruning points) to maintain current pruning practice to retain tree at suitable size for the garden

    7 Youngs Rise Welwyn Garden City AL8 6RT

    Received 4 Mar 2024
  12. Decided - Granted6/2025/1843/EMT

    T1 - 1 x Cherry to reduce overlong branches by around 1m, achieving a more compact shape. Heavily extending over neighbours garden. Reduce to balance crown T2 - 1 x Plum to reduce by approximately 1m from the highest point, balance remaining stems to suit. Reduce to retain size and shape for garden

    21 Springfields Welwyn Garden City AL8 6XS

    Received 28 Aug 2025
  13. Decided - Granted6/2024/2203/LB

    Relocation of boundary wall following demolition of existing wall along the western boundary and creation of pedestrian gateway

    2 Northaw Road West Northaw Potters Bar EN6 4NR

    Received 14 Nov 2024
  14. Decided - Granted6/2026/0442/HOUSE

    Part conversion of detached outbuilding to an annexe, alteration to fenestration and the roof and installation of solar panels to the roof of the outbuilding.

    The Oak Tree Ellenbrook Lane Hatfield AL10 9NT

    Received 11 Mar 2026
  15. Decided - Refused6/2024/1484/LB

    Proposal to increase door heights by notching the tie beam

    6 Hall Grove Welwyn Garden City AL7 4PN

    Received 5 Aug 2024
  16. Decided - Granted6/2023/1044/LAWP

    Certificate of Lawfulness for a proposed alterations to the roof including a rear dormer and rooflights within the front roofslope

    5 Rectory Gardens Hatfield AL10 8BG

    Received 17 May 2023
  17. Decided - Withdrawn6/2017/2446/EM

    Erection of first floor side extensions over existing garage and utility room and garage conversion

    14 Guessens Road Welwyn Garden City AL8 6QR

    Received 18 Oct 2017
  18. Decided6/2018/0158/OUTLINE

    Outline permission for the relocation of runway, erection of a clubhouse, hangar, car park and aircraft parking with all matters except access and layout reserved

    Land south of Money Hole Lane Money Hole Lane Panshanger Welwyn Garden City

    Received 17 Jan 2018
  19. Decided - Granted6/2021/1451/HOUSE

    Erection of a single storey rear and side extension and part conversion of existing garage and passage

    6 Pentley Close Welwyn Garden City AL8 7SH

    Received 10 May 2021
  20. Decided - Granted6/2023/0354/COND

    Submission of details pursuant to condition 6 (details of the demountable barrier on the roofs) on planning permission 6/2021/1987/VAR

    1 Town Centre Hatfield AL10 0JZ

    Received 15 Feb 2023
  21. Decided - Granted6/2023/0395/TPO

    T1 - 1 x Hornbeam (front garden) to fell to ground level, G1 - 7 x Hornbeam (front garden) to reduce by 2m in height and 1.2m in width (to prune back to previous), T3 - 1 x Oak (rear garden) to reduce by height reduction of 2m and a lateral reduction of 2m, and T4 - 1 x Hornbeam (rear garden) to fell to ground level.

    6 Oak Piece Welwyn AL6 0XE

    Received 20 Feb 2023
  22. Decided6/2020/1785/TC

    Fell and grind x 1 Laurel tree Fell and grind x 1 Bay tree Reduce x1 Hawthorn tree by 2m

    112 Parkway Welwyn Garden City AL8 6HN

    Received 21 Jul 2020
  23. Decided - Granted6/2020/1590/EMT

    Fell 1x Fir tree

    59 Woodhall Lane Welwyn Garden City AL7 3TG

    Received 3 Jul 2020
  24. Decided - Granted6/2023/2198/HOUSE

    Insertion of roof lantern to existing side flat roof

    4 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 30 Oct 2023

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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    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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