PlanningTrack
Get started

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
20,482Searchable applications
298Recorded as pending
86%Approval rate · 16,550 approved or refused records
2,332Refused applications

14,218 approved · 2,332 refused · 1,045 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 12 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/1350/PN19

    Proposed fertiliser storage tank

    Ayot Lodge Kimpton Road Hitchin SG4 8SR

    Received 10 Jun 2022
  2. Decided - Granted6/2021/0392/EM

    Increase size of window on front elevation of the property with hardwood surround, white aluminium frame and leaded lights in clear glass to match other existing windows on elevation

    17 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 8 Feb 2021
  3. Decided - Granted6/2022/2033/FULL

    Erection of a 3-bed dwelling following demolition of existing garage and subdivision of plot, and installation of dropped kerb to facilitate a hardstanding for the existing dwelling

    331 St Albans Road West Hatfield Hertfordshire AL10 9RN

    Received 1 Sept 2022
  4. Decided6/2026/0580/TC

    1 x Plum to fell

    31 Attimore Road Welwyn Garden City AL8 6LQ

    Received 1 Apr 2026
  5. Decided - Refused6/2020/0448/EM

    Erection of a single storey front extension

    47 Howicks Green Welwyn Garden City AL7 4RJ

    Received 14 Feb 2020
  6. Decided - Granted6/2021/1950/LAWP

    Certificate of lawfulness for the erection of a single storey side extension

    Clematis Cottage Ayot Little Green Lane Ayot St Peter Welwyn AL6 9BD

    Received 28 Jun 2021
  7. Decided - Granted6/2021/2864/EMT

    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
  8. Decided - Granted6/2018/0785/COND

    Submission of details pursuant to condition 3 (material samples) on planning permission 6/2015/1901/RM, dated 15/02/2016

    Queen Elizabeth II Hospital Howlands Welwyn Garden City AL7 4HQ

    Received 22 Mar 2018
  9. Decided - Granted6/2022/2476/COND

    Submission of details pursuant to condition 1 (Materials) on planning permission 6/2020/1744/FULL

    25 Hill Rise Cuffley Potters Bar Hertfordshire EN6 4EH

    Received 28 Oct 2022
  10. Decided - Granted6/2020/0258/TPO

    Fell 2 x Oak trees (T1& T2)

    10 Woodland Rise Welwyn Garden City AL8 7LF

    Received 29 Jan 2020
  11. Decided - Granted6/2022/1010/HOUSE

    Erection of front garage extension and conversion including roof lights, new flat roof and insertion of roof light to existing rear roof and alterations to openings.

    23 Fordwich Road Welwyn Garden City AL8 6EX

    Received 28 Apr 2022
  12. Decided - Granted6/2020/3217/PN8

    Prior approval for the erection of a single storey rear extension with a flat roof, bi-fold patio doors to the garden and two flat rooflights. 3.81m in depth, 3.11m height and 2.95m to the eaves

    24 Frampton Road Little Heath Potters Bar EN6 1JE

    Received 1 Dec 2020
  13. Decided - Granted6/2024/0470/EM

    Erection of single storey rear infill extension with insertion of rooflights into new and existing roofs, part garage conversion and alterations to existing openings to side and rear elevations

    44 Longcroft Lane Welwyn Garden City AL8 6EF

    Received 11 Mar 2024
  14. Decided - Granted6/2018/2971/VAR

    Variation of condition 1 (approved drawings) on planning permission 6/2016/1286/FULL

    19 Briary Wood Lane Welwyn AL6 0TE

    Received 19 Nov 2018
  15. Decided - Granted6/2019/2283/HOUSE

    Erection of single storey rear extension with associated patio decking

    18 Bluebridge Avenue Brookmans Park Hatfield AL9 7RZ

    Received 16 Sept 2019
  16. Decided - Withdrawn6/2018/0467/EM

    Fell 1 x Oak tree

    40 Digswell Road Welwyn Garden City AL8 7PA

    Received 14 Feb 2018
  17. Decided6/2022/1954/TPO

    Conservation area: Vertical Birch - Crown reduction - 25% general reduction of misshapen twisted branches to rebalance tree.

    26 Great Dell Welwyn Garden City AL8 7HY

    Received 22 Aug 2022
  18. Decided - Granted6/2022/1478/COND

    Submission of details pursuant to condition 5 - part discharge (materials) on planning permission 6/2020/2526/MAJ

    University of Hertfordshire, College Lane Campus University Of Hertfordshire College Lane AL10 9AB

    Received 24 Jun 2022
  19. Decided - Granted6/2023/2195/EMT

    To fell diseased, rotten and dangerous Silver Birch tree. Branches have started to break away meaning it is now a danger to the public as it overhangs onto a public footpath and road

    22 Bushey Ley Welwyn Garden City AL7 3HW

    Received 27 Oct 2023
  20. Decided - Granted6/2018/2094/HOUSE

    Erection of front porch canopy

    6 Bradmore Way Brookmans Park Hatfield AL9 7QX

    Received 10 Aug 2018
  21. Call In/Major Objection6/2025/2267/VAR

    Variation of Condition 2 (Approved Plans) and removal of condition 16 (Kissing Gate) on planning permission S6/2012/1790/S73B

    The former Three Valleys Water site (now Peregrine Way) Bishops Rise Hatfield 38 Hatfield Delivery Office Po Box 48 Town Centre Hatfield AL10 9HL

    Received 24 Oct 2025
  22. Decided - Granted6/2023/0401/EM

    Raising of front parapet, alterations to existing openings to front elevation

    91 Attimore Road Welwyn Garden City AL8 6LG

    Received 21 Feb 2023
  23. Decided - Granted6/2023/1093/HOUSE

    Erection of two storey rear and side extension and alterations for front porch and external materials

    19 Calder Avenue Brookmans Park Hatfield AL9 7AH

    Received 24 May 2023
  24. Decided - Refused6/2021/2036/LAWP

    Certificate of lawfulness to raise the height of existing roof to allow raised ceiling height to match main house

    1 Forresters Drive Welwyn Garden City AL7 2HN

    Received 5 Jul 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

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    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.

Check collection coverage

More planning authorities in England

Browse all authorities