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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
20,296Searchable applications
298Recorded as pending
86%Approval rate · 16,404 approved or refused records
2,309Refused applications

14,095 approved · 2,309 refused · 1,029 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2020/3033/TC

    Fell Ivy clad Hornbeam Tree to ground level

    16 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 17 Nov 2020
  2. Decided - Granted6/2020/1057/HOUSE

    Erection of a detached garage and conversion of the existing garage to a self-contained annex

    Ivory House High Road Essendon Hatfield AL9 6BN

    Received 12 May 2020
  3. Decided - Granted6/2019/1858/EM

    Alterations to fenestration

    16 Walden Road Welwyn Garden City AL8 7PF

    Received 29 Jul 2019
  4. Decided - Granted6/2018/3203/HOUSE

    Erection of part single, part first floor rear extension

    18 King James Avenue Cuffley Potters Bar EN6 4LR

    Received 17 Dec 2018
  5. Decided - Granted6/2021/1000/PN15

    Proposed 18m Phase 8 Monopole C/W wraparound Cabinet at base and associated ancillary works.

    Grove Mead Roe Green Hatfield AL10 8DR

    Received 26 Mar 2021
  6. Decided - Refused6/2020/1618/HOUSE

    Erection of subterranean floor and partial single storey rear extension

    7 The Ridgeway, Cuffley, Potters Bar, EN6 4AY

    Received 7 Jul 2020
  7. Decided - Granted6/2024/1510/COND

    Submission of details pursuant to condition number 17 (Samples of Materials) on planning consent 6/2022/2249/VAR

    Hertfordshire Constabulary Stanborough Road Welwyn Garden City AL8 6XF

    Received 8 Aug 2024
  8. Decided - Granted6/2024/0214/COND

    Submission of details pursuant to condition number 1 (Stone and brick materials) on consent ref: 6/2021/1062/LB

    24 Church Street Hatfield AL9 5AW

    Received 2 Feb 2024
  9. Decided - Granted6/2026/0560/HOUSE

    Erection of rear and side single-storey extension with conversion of garage to habitable accommodation

    3 Heathlands Welwyn AL6 0UU

    Received 26 Mar 2026
  10. Decided - Granted6/2020/2851/EM

    Erection of timber frame garden building

    67 Valley Road Welwyn Garden City AL8 7DR

    Received 30 Oct 2020
  11. Decided - Granted6/2023/1728/EMT

    1 x Conifer tree to fell in rear garden

    75 Knightsfield Welwyn Garden City AL8 7JE

    Received 16 Aug 2023
  12. Decided - Granted6/2020/0192/HOUSE

    Erection of single storey rear extension, balcony and a rear ancillary outbuilding

    22 Mornington Digswell Welwyn AL6 0AJ

    Received 27 Jan 2020
  13. Decided - Split6/2018/1925/COND

    Submission of details pursuant to condition 2 (internal materials) on planning permission 6/2016/1883/LB

    Former Roche Site 40 Broadwater Road Welwyn Garden City AL7 3AY

    Received 20 Jul 2018
  14. Decided - Granted6/2026/0543/HOUSE

    Single storey rear extension and side extension, following demolition of existing porch

    59 Wilga Road Welwyn AL6 9PT

    Received 24 Mar 2026
  15. Decided - Granted6/2018/0220/EM

    Replace wooden front door with composite door,1x bedroom window with new PVC and rear aluminium patio doors with 3 panel bi-fold.

    17 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 24 Jan 2018
  16. Decided - Granted6/2024/1198/FULL

    Installation of 3 x AC condenser units to rear elevation

    80 Town Centre Hatfield AL10 0JW

    Received 24 Jun 2024
  17. Decided - Granted6/2022/0682/HOUSE

    Demolition of existing conservatory and replacement with a white UPVC Edwardian style conservatory to the rear of the property

    10 Swanley Bar Lane Little Heath Potters Bar Hertfordshire EN6 1NP

    Received 22 Mar 2022
  18. Decided - Granted6/2022/2440/COND

    Submission of details pursuant to condition 1 (external lighting) on planning permission 6/2021/0882/VAR

    Silverwood 101 Brookmans Avenue Brookmans Park Hatfield AL9 7QG

    Received 21 Oct 2022
  19. Decided - Granted6/2021/0302/EM

    Erection of a single storey rear extension

    81 Knightsfield Welwyn Garden City AL8 7JE

    Received 1 Feb 2021
  20. Decided - Granted6/2021/2213/EMH

    Installation of vehicular crossover and hardstanding to front

    57 Hall Grove Welwyn Garden City AL7 4PQ

    Received 21 Jul 2021
  21. Decided - Granted6/2022/1146/TPO

    T1 - Dead pine to fell, T2 - Pine - to fell danger due to falling branches proximity to house (approx 10 feet). Proposed replacement Hornbeam of 7-10 inch diameter in the area marked A on the map

    42A New Road Digswell Welwyn AL6 0AH

    Received 18 May 2022
  22. Decided - Granted6/2022/0092/VAR

    Variation of condition 1 (matching brickwork) on plannig permission 6/2020/2048/HOUSE

    53 Mardley Hill Welwyn AL6 0TT

    Received 14 Jan 2022
  23. Decided - Granted6/2021/2079/HOUSE

    Conversion of garage to habitable use and creation of additional parking space

    27 Queens Avenue Welwyn Garden City AL7 4BZ

    Received 9 Jul 2021
  24. Decided - Granted6/2025/1965/EM

    Removal of dead section of Laurel hedge that has been overgrown with Ivy. Ivy is spreading to other parts of the hedge so it needs to be removed. It will then be replaced for new Laurel hedge

    32 Parkway Welwyn Garden City AL8 6HQ

    Received 12 Sept 2025

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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  • 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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