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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
29,326Searchable applications
307Recorded as pending
87%Approval rate · 24,334 approved or refused records
3,245Refused applications

21,089 approved · 3,245 refused · 1,559 withdrawn. Received dates in our records: 1 Nov 1999 to 13 Oct 2026. Most recent record check: 18 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2026/1230/TC

    Tree and Hedge maintenance and remedial works 1. Reduction by 40% of oak tree (T5 on attached plan) . A trunk of this tree recently fell and was removed by the council. The remaining trunk is under stress form the canopy weight and there is a risk of summer branch drop. 2. Reduction of the holly hedge (T8 on the attached plan) to 8 feet high. This hedge has not been attended to for many years and has become over grown and is crowding the other trees in the hedge

    30 Coneydale Welwyn Garden City AL8 7RZ

    Received 13 Jul 2026
  2. Decided - Granted6/2019/1719/LAWP

    Certificate of lawfulness for the erection of a two storey rear extension and front porch

    16 Roe Green Close Hatfield AL10 9PE

    Received 12 Jul 2019
  3. Under Consideration6/2026/1483/COND

    Submission of details pursuant to condition number 3 (Hard and Soft Landscaping) on planning permission 6/2026/0435/FULL

    57 Tolmers Road Cuffley Potters Bar EN6 4JG

    Received 24 Aug 2026
  4. Decided - Granted6/2015/2371/TPO

    Dead and Dangerous tree application - Removal of Birch tree - Conservation Area.

    28 Great Dell, Welwyn Garden City, AL8 7HY

    Received 23 Nov 2015
  5. Decided - Granted6/2022/2376/EMT

    33% reduction of tree canopy of existing and significant Eucalyptus Tree which, is leaning towards the house at 11 Barleycroft Green.

    12 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 12 Oct 2022
  6. Decided - Granted6/2023/1311/EMT

    1 x Lawson cypress to dismantle in sections to ground level

    17 Brockswood Lane Welwyn Garden City AL8 7BA

    Received 22 Jun 2023
  7. Decided - Granted6/2020/0008/LAWP

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

    5 Daniells Welwyn Garden City AL7 1QY

    Received 2 Jan 2020
  8. Decided - Granted6/2022/1114/HOUSE

    Erection of two storey rear extension and alterations to side windows/doors

    19 The Crescent Welwyn AL6 9JG

    Received 13 May 2022
  9. Decided6/2019/1971/TC

    Fell 1 x Silver Birch tree

    56 Attimore Road Welwyn Garden City AL8 6LP

    Received 8 Aug 2019
  10. Decided - Granted6/2023/0144/COND

    Submission of details pursuant to conditions 1 (Construction Management Plan), 4 (Refuse and Recycling Materials Storage bins) and 7 (Noise) on planning application 6/2021/3319/FULL

    2 Theobalds Road Cuffley Potters Bar Hertfordshire EN6 4HQ

    Received 20 Jan 2023
  11. Decided - GrantedW6/2014/1286/EM

    Single storey element to be pulled away from boundary of no.55 plus low level wing wall which frames overhang to be constructed of traditional brick rather than cladding

    57 Valley Road, Welwyn Garden City, AL8 7DH

    Received 5 Jun 2014
  12. Decided - Granted6/2021/2149/EM

    Retention of single storey side storage unit with flue

    51 Oakdale Welwyn Garden City AL8 7QP

    Received 15 Jul 2021
  13. Decided - Granted6/2025/1101/COND

    Submission of details pursuant to condition 6 (Energy statement) on planning permission 6/2024/2004/VAR

    59 New Road Digswell Welwyn AL6 0AL

    Received 9 Jun 2025
  14. Decided - Granted6/2019/0577/VAR

    Variation of Condition 4 (approved plans and drawing numbers) on planning application 6/2018/1057/FULL

    1 Howardsgate Welwyn Garden City AL8 6AL

    Received 12 Mar 2019
  15. Decided - Granted6/2017/2421/LAWP

    Certificate of Lawfulness for the installation of front rooflights and rear dormer, and hip to gable roof extension to facilitate conversion loft space to habitable space.

    2 Moffats Lane Brookmans Park Hatfield AL9 7RU

    Received 20 Oct 2017
  16. Decided - Granted6/2023/0508/FULL

    Change of use from 5 staff and 1 visitor bedrooms (class C2) to 6 resident bedrooms (class C2), provision of additional secure cycle storage to the rear and the retention of the reconfiguration of site layout/landscaping to provide 7 additional parking spaces and relocation of cycle storage

    Hatfield Manor Care Home Hatfield Avenue Hatfield AL10 9UA

    Received 7 Mar 2023
  17. Decided - Refused6/2021/1730/COND

    Submission of details pursuant to condition 1 (sample of materials), on planning permission 6/2021/0503/HOUSE

    30 Tolmers Avenue Cuffley Potters Bar EN6 4QA

    Received 2 Jun 2021
  18. Decided - Granted6/2024/0599/HOUSE

    Erection of single storey front and rear extension

    Green Acres The Grove Brookmans Park AL9 7RN

    Received 27 Mar 2024
  19. Decided - Granted6/2026/0840/EMT

    Cherry blossom tree (T6) to remove.

    6 Honeycroft Welwyn Garden City AL8 6HR

    Received 12 May 2026
  20. Decided - Granted6/2022/1538/COND

    Submission of details pursuant to Condition 3 (planting details) on planning permission 6/2020/2791/VAR

    36 Salisbury Square Hatfield AL9 5AF

    Received 1 Jul 2022
  21. Decided - GrantedN6/2014/2507/LB

    Replacement signage

    Attimore Hall, Ridgeway, Welwyn Garden City, AL7 2AD

    Received 14 Nov 2014
  22. Decided - Split6/2019/1579/COND

    Confirmation that conditions attached to applications S6/2013/0323/DE & S6/2010/0111/OP (appeal decision APP/C1950/A/10/2142040) have been complied with

    Sovereign Place, Former Mount Pleasant Depot, Mount Pleasant Lane, Hatfield Herts, AL9 5PU

    Received 28 Jun 2019
  23. Decided - Granted6/2026/0501/EMT

    T1 Poplar to fell.

    101 Handside Lane Welwyn Garden City AL8 6SP

    Received 17 Mar 2026
  24. Decided - Refused6/2017/2784/PN3

    Prior approval for the expansion of nursery business into adjoining land including fencing, ditching, provision of trackways and hard surfaces both as planting beds and for parking/storage

    A Brand & Sons Bulls Lane Bell Bar Hatfield AL9 7BB

    Received 23 Nov 2017

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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