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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
24,700Searchable applications
313Recorded as pending
86%Approval rate · 20,257 approved or refused records
2,801Refused applications

17,456 approved · 2,801 refused · 1,298 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2023/2309/EMT

    T1 x Oak reduce back to historic pruning points by 2.5m in height and width to maintain size and shape

    60 Brockswood Lane Welwyn Garden City AL8 7BQ

    Received 15 Nov 2023
  2. Decided - Refused6/2020/0972/HOUSE

    Erection of two story side extension

    29 Salisbury Road Welwyn Garden City AL7 3RR

    Received 29 Apr 2020
  3. Decided - Granted6/2022/1368/EMT

    1 x Ash to crown lift up to 6m, reduce remaining crown over patio by 2-3m to reduce overhang but retain a balanced crown. 2 x Scots Pines to reduce height by around 1.2m, reduce over long lateral branches by approximately 2m. Reduce remaining by 1.2m. Remove 2 limbs over lawn area. Remove all major deadwood

    52 Lodgefield Welwyn Garden City AL7 1SD

    Received 13 Jun 2022
  4. Decided - Granted6/2019/1246/COND

    Submission of details pursuant to condition 1a (Contaminated Land) on planning permission 6/2018/2809/MAJ

    Queen Elizabeth II Hospital Howlands Welwyn Garden City AL7 4HQ

    Received 23 May 2019
  5. Decided - Granted6/2015/2217/ADV

    Installation of 4no illuminated facia signs, 2no other non illuminated signs, 4no wall mounted non illuminated signs

    Vauxhall Marshalls Swallowfields Welwyn Garden City AL7 1JD

    Received 30 Oct 2015
  6. Decided - Granted6/2022/0564/EMT

    T1 on the plan: Hornbeam request permission to fell urgently on the advice of a tree surgeon who has identified honey fungus at the base of the tree. Grind out the root and treat the soil. T3-T6 on the plan: Reduce height of 4 x Leylandii by 30% to maintain good health and appearance. T7 on the plan: Reduce height of Holly by maximum of 30% to maintain good health and appearance. Replace the Hornbeam with a tree of equivalent amenity value - possibly a copper beech tree.

    13 Sherrardspark Road, Welwyn Garden City, AL8 7JW

    Received 9 Mar 2022
  7. Decided - Granted6/2022/1587/HOUSE

    Demolition of two storm porches and attached store and erection of two storey side extension and front porch

    39 Ryelands Welwyn Garden City AL7 4LH

    Received 6 Jul 2022
  8. Decided - Granted6/2018/0907/LAWP

    Certificate of lawfulness for the installation of 3 front Velux windows and a rear dormer window to facilitate loft conversion.

    15 Heronfield Little Heath Potters Bar EN6 1JA

    Received 6 Apr 2018
  9. Decided - Granted6/2022/1421/EM

    To obtain retrospective consent for conservatory and hard standing that was installed pre 2003 and prior to the deceased ownership

    60 Hall Grove Welwyn Garden City AL7 4PH

    Received 20 Jun 2022
  10. Decided - Granted6/2016/0057/EM

    Erection of two storey side extension and first floor rear extension

    2 Gooseacre, Welwyn Garden City, AL7 4NB

    Received 15 Jan 2016
  11. Decided - Refused6/2016/2127/LAWP

    Certificate of lawfulness for the erection of a single storey conservatory to the rear of property

    22 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 12 Oct 2016
  12. Decided - Granted6/2019/2746/HOUSE

    Erection of garage

    Chantrees 24 Turpins Chase Welwyn AL6 0RA

    Received 30 Oct 2019
  13. Decided - Withdrawn6/2024/0263/EM

    Erection of single storey rear extension, Internal alterations to the Grade II listed building including general refurbishment and conversion of existing outbuilding into habitable space

    1 Digswell Park Cottages Digswell Park Road Welwyn Garden City AL8 7NN

    Received 7 Feb 2024
  14. Decided - Granted6/2025/1800/EM

    First floor side extension

    76 Longcroft Lane Welwyn Garden City AL8 6EF

    Received 26 Aug 2025
  15. Decided - Granted6/2017/0293/EM

    Fell 2 Field Maple trees and reduce 1 Field Maple tree laterals by 30%

    39 Thistle Grove Welwyn Garden City AL7 4AD

    Received 15 Feb 2017
  16. Decided - Granted6/2021/0882/VAR

    Variation of condition 10 (drawing numbers) on planning permission 6/2019/2313/FULL

    101 Brookmans Avenue Brookmans Park Hatfield AL9 7QG

    Received 18 Mar 2021
  17. Decided6/2019/1334/TC

    Reduce 1 x Hornbeam tree by approx 1.5m height & width.

    54 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 4 Jun 2019
  18. Call In/Major Objection6/2026/1374/LAWE

    Certificate of lawfulness for the existing use of the property as a HMO (Class C4)

    8 Rose Mead Little Heath Potters Bar EN6 1JP

    Received 3 Aug 2026
  19. Decided6/2021/1464/TC

    Reduce beech tree by 30% and trim lime tree back to previous cuts

    30 Youngs Rise Welwyn Garden City AL8 6RU

    Received 10 May 2021
  20. Decided - Granted6/2022/1270/EM

    Replacing Asbestos contaminated fascia and soffit to front and back of house with UPVC white fascia and soffit. As part of the works the gutter will also be replaced in black. Replacement of lintels to be replaced, reusing bricks where possible.

    105 Oakdale Welwyn Garden City AL8 7QP

    Received 30 May 2022
  21. Decided - Granted6/2021/0986/EMT

    Lawson Cypress to reduce by 6m height Hawthorn hedge behind Lawson Cypress to reduce height by approximately 3.5m

    18 Rooks Hill Welwyn Garden City AL8 6ET

    Received 25 Mar 2021
  22. Decided - Granted6/2023/2507/ADV

    Installation of 1 x non-illuminated village sign

    Land Adjacent to Number 52 Hertford Road Digswell Welwyn AL6 0DA

    Received 18 Dec 2023
  23. Decided - Granted6/2025/1396/EM

    Replacing an existing wooden home office with a brick built one

    85 Valley Road Welwyn Garden City AL8 7DR

    Received 3 Jul 2025
  24. Decided - Granted6/2021/0169/HOUSE

    Erection of a first floor side extension

    37 Sherrardspark Road Welwyn Garden City AL8 7JY

    Received 20 Jan 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.

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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.

    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.

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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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