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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
20,434Searchable applications
298Recorded as pending
86%Approval rate · 16,508 approved or refused records
2,324Refused applications

14,184 approved · 2,324 refused · 1,044 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/0070/EM

    Replacement windows and front door

    57 Crossway, Welwyn Garden City, AL8 7ED

    Received 17 Jan 2025
  2. Decided - Granted6/2022/1278/HOUSE

    Erection of a part single, part two storey rear extension

    6 Heronswood Road Welwyn Garden City AL7 3NU

    Received 30 May 2022
  3. Decided - Granted6/2022/1496/EMT

    T1 1 x Oak - reduce by 1.5m in height and width, remove major deadwood and epicormic growth from trunk, leaving Rose in situ to improve light in to garden area without compromising shape and amenity value of the tree T2 1 x Cherry - fell to ground level to create a lot more light in to garden late afternoon (crown is suppressed by other trees) T3 - 1 x Oak - reduce by 1.5m in height and width, remove major deadwood and remove epicormic growth from trunk, to improve light in to garden area without compromising shape and amenity value of the tree, whilst also maintaining size T4 1 x Silver birch - reduce by 2m height and 1.5m width- maintain crown size, improve light T5 1 x Cherry - to fell as the tree is in poor form and condition

    14 Sherrardspark Road Welwyn Garden City AL8 7JP

    Received 27 Jun 2022
  4. Decided - Granted6/2025/0319/HOUSE

    Alterations to openings at rear and front of the property, replacing front fascia with new brick parapet, insertion of rooflights in flat roof, replacing front door & surround and formation of block paving to the front garden

    22 Guessens Road Welwyn Garden City AL8 6RA

    Received 19 Feb 2025
  5. Decided - Granted6/2025/0094/COND

    Submission of details pursuant to condition number 1 (Noise Management Plan) on planning permission 6/2024/1804/FULL

    15 RCCG Fountain Of Life Howardsgate Welwyn Garden City AL8 6AL

    Received 21 Jan 2025
  6. Decided - Granted6/2024/0028/HOUSE

    Conversion of garage to habitable use including works to the fenestration

    91 Campion Road Hatfield AL10 9FL

    Received 4 Jan 2024
  7. Decided - Granted6/2022/1053/VAR

    Variation of condition 17 (variation of approved drawing numbers) on planning permission 6/2020/2818/FULL

    61 New Road Digswell Welwyn AL6 0AL

    Received 5 May 2022
  8. Decided - Granted6/2023/0202/HOUSE

    Erection of single storey rear extension

    20 Warren Close Hatfield AL10 0AL

    Received 27 Jan 2023
  9. Decided - Granted6/2022/1392/COND

    Submission of details pursuant to condition 1 (materials) and condition 3 (a - replacement tree), (b - retension of existing trees) (c - planting plans) on planning permission 6/2021/3416/FULL

    Wood Farm Harmer Green Lane Digswell Welwyn AL6 0AP

    Received 16 Jun 2022
  10. Decided6/2018/1972/TPO

    Crown Thin 1 x Oak tree (T1) by 25% including removal any dead wood.

    1 Ashley Close Welwyn Garden City AL8 7LH

    Received 25 Jul 2018
  11. Decided - Granted6/2017/2330/HOUSE

    Erection of front porch

    11 Somers Road Welham Green Hatfield AL9 7PR

    Received 11 Oct 2017
  12. Decided - Granted6/2021/2743/COND

    Submission of details pursuant to condition 45 (details of lighting) on planning application 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 22 Sept 2021
  13. Decided - Withdrawn6/2026/0896/EM

    Installation of hardstanding

    5 Maryland Hatfield AL10 8DY

    Received 20 May 2026
  14. Decided - Granted6/2018/0587/HOUSE

    Erection of a ground floor rear extension and installation of rear rooflights following demolition of shed.

    43 Springfields Welwyn Garden City AL8 6XT

    Received 1 Mar 2018
  15. Decided - Granted6/2022/1091/HOUSE

    Alterations to ground floor rear fenestration, roof form and elevation facade

    125 Bramble Road Hatfield AL10 9SD

    Received 10 May 2022
  16. Decided - Granted6/2018/0979/EM

    Erection of a single story rear extension and a side entrance gate.

    28 Sandpit Road Welwyn Garden City AL7 3TJ

    Received 13 Apr 2018
  17. Decided - Granted6/2023/1805/LAWP

    Certificate of lawfulness for garage conversion following the removal of front garage door and installation of window on front elevation

    14 Cypress Avenue Welwyn Garden City AL7 1HN

    Received 29 Aug 2023
  18. Decided6/2018/2459/TPO

    1 x Old Hornbeam coppice with 5 stems reduce by 25% 1x Standard Hornbeam reduce by 25%- conservation area

    19 Pentley Park Welwyn Garden City AL8 7RT

    Received 25 Sept 2018
  19. Decided - Granted6/2025/1367/EMT

    Removal of dead Pear tree

    6 Little Youngs Welwyn Garden City AL8 6SL

    Received 1 Jul 2025
  20. Decided - Granted6/2017/2385/COND

    Submission of details pursuant to conditions 1 (Material samples), 2 (tree protection plan), 3 (soft landscape plan) and 5 (surface water drainage scheme) on planning permission 6/2016/2675/MAJ dated 20/07/2017

    Queenswood School Shepherds Way Brookmans Park Hatfield AL9 6NS

    Received 17 Oct 2017
  21. Decided - Granted6/2018/0339/LAWP

    Certificate of lawfulness for the installation of 5 rooflights and the erection of a rear dormer to facilitate loft conversion

    7 Mardley Wood Welwyn AL6 0UY

    Received 1 Feb 2018
  22. Under Consideration6/2022/2736/COND

    Submission of details pursuant to condition number 1 (roof membrane) and 2 (roof tiles), on application ref: 6/2022/2083/LB

    12 Cromer Hyde Lane Lemsford Welwyn Garden City AL8 7XE

    Received 2 Dec 2022
  23. Decided - Granted6/2019/1263/COND

    Submission of details pursuant to condition 3 (materials) on planning permission 6/2018/1498/FULL

    North Mymms Water Treatment Site, Warrengate Road, Brookmans Park, Hatfield, AL9 7TU

    Received 24 May 2019
  24. Decided - Granted6/2022/1434/HOUSE

    Erection of single storey rear extension

    7 River View Welwyn Garden City AL7 1UA

    Received 21 Jun 2022

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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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 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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