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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
21,125Searchable applications
298Recorded as pending
86%Approval rate · 17,059 approved or refused records
2,412Refused applications

14,647 approved · 2,412 refused · 1,082 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/3180/COND

    Submission of details pursuant to condition 49 (labour strategy) on planning permission 6/2018/0171/MAJ

    Former Shredded Wheat Factory Welwyn Garden City AL8 6UN

    Received 18 Dec 2019
  2. Appeal Decided - Dismissed6/2020/1980/HOUSE

    New entrance gate and driveway

    Manor Cottage Vineyards Road Northaw Potters Bar EN6 4PQ

    Received 10 Aug 2020
  3. Decided - Granted6/2026/1104/EM

    Replacement of roof and frames to existing conservatory to the rear of the property

    31 Linkfield Welwyn Garden City AL7 4DN

    Received 25 Jun 2026
  4. Decided - Refused6/2023/0393/LB

    Demolition of internal wall

    10 Church Street Hatfield AL9 5AW

    Received 20 Feb 2023
  5. Decided - Granted6/2026/1094/HOUSE

    Erection of single storey side/rear extension, new front porch/level access, new garage, new side window, widening of driveway and accessible ramp down to rear garden

    89 Warren Way Digswell Welwyn AL6 0DL

    Received 24 Jun 2026
  6. Decided - Granted6/2017/2114/EM

    Erection of wooden shed following demolition of existing

    20 Autumn Grove Welwyn Garden City AL7 4DB

    Received 19 Sept 2017
  7. Decided - Refused6/2017/2936/EM

    Erection of two storey front, rear and side extensions

    12 The Orchard Welwyn Garden City AL8 7PL

    Received 19 Dec 2017
  8. Decided - Granted6/2020/1077/EM

    Reduce 1x Sycamore by 30% (T1) Crown lift 1x Spruce (T2) , to approx 3m and prune over extended branches by approx 1-1.5 meters to balance Fell 2 x Conifers (T3 + T4) Reduce 1x Holly (T5) 20% Crown reduction, lift 2m

    72 Peartree Lane Welwyn Garden City AL7 3UH

    Received 13 May 2020
  9. Decided - Granted6/2021/2781/LAWP

    Certificate of lawfulness for Garage Conversion

    17 Cedar Road Hatfield AL10 8NZ

    Received 27 Sept 2021
  10. Decided6/2025/1505/TC

    Reduce mature Eucalyptus tree by a third back to previous pruning points

    24 Guessens Road Welwyn Garden City AL8 6RA

    Received 10 Jul 2025
  11. Decided - Split6/2023/0902/COND

    Submission of details pursuant of conditions 1 (external materials) and 2 (boundary treatment) on planning permission 6/2021/1711/FULL

    41 Brookmans Avenue Brookmans Park Hertfordshire AL9 7QH

    Received 27 Apr 2023
  12. Decided - Granted6/2021/2383/FULL

    Installation of 1 x external fire escape stairway, new openings and a palisade fence

    Aquarius House Bessemer Road Welwyn Garden City AL7 1HH

    Received 12 Aug 2021
  13. Decided - Withdrawn6/2020/2143/COND

    Submission of details pursuant to condition 5 (method statement) on Estate Management consent 6/2020/0782/EM

    111 Handside Lane Welwyn Garden City AL8 6SP

    Received 24 Aug 2020
  14. Decided - Granted6/2023/1417/EMT

    Retrospective application to fell labernum to ground level as was dead and dangerous

    81 Handside Lane Welwyn Garden City AL8 6SH

    Received 7 Jul 2023
  15. Decided - Granted6/2024/2292/ADV

    Installation of 1 x 5m illuminated EV Totem pole sign

    40 Morrisons Supermarket Petrol Filling Station Black Fan Road Welwyn Garden City AL7 1RY

    Received 28 Nov 2024
  16. Decided6/2024/1450/TC

    Fell a fir tree. It grows very tall but only on top half for quite few years now. This top half is pushing against the above walkway that people use to access the flats which has resulted in previous damage to the walkway. Due to physical health issues, this tree is also very hard for me to maintain

    27 The Broadway Hatfield AL9 5HZ

    Received 31 Jul 2024
  17. Decided - Granted6/2023/1272/FULL

    Erection of single storey side/rear extension and boundary wall following the demolition of existing detached garage. Insertion of rooflights and windows to front and rear elevation. New pitched roof outbuilding at rear of garden including patio & paths to outbuilding (retrospective)

    9 Coneydale Welwyn Garden City AL8 7RX

    Received 19 Jun 2023
  18. Decided6/2023/1310/TC

    1 x Lawson cypress to dismantle in sections to ground level

    17 Brockswood Lane Welwyn Garden City AL8 7BA

    Received 22 Jun 2023
  19. Decided - Granted6/2017/1634/PN8

    Prior approval for the erection of a single storey rear extension measuring 3.6 m in depth, 2.525 m in height and 2.375 m to the eaves

    30 Uplands Welwyn Garden City AL8 7EW

    Received 25 Jul 2017
  20. Decided - Withdrawn6/2022/2096/TC

    Pine tree to be removed, because roots are dangerously too close to drains and the house. Leylandi hedge in front and rear garden removed, because it takes 2.8 meters off the garden.

    5 The Lawns Welwyn Garden City Hertfordshire AL8 7HU

    Received 8 Sept 2022
  21. Decided - Granted6/2020/3240/LAWP

    Certificate of lawfulness for a detached incidental outbuilding to be used as pool house and gym with steam room/shower and changing room/plant room with an eaves height no greater than 2.5m and a ridge height no greater than 4m.

    22 The Avenue Welwyn AL6 0PP

    Received 3 Dec 2020
  22. Decided - Granted6/2019/2526/EM

    Raising of parapet to existing extension level with alterations to openings including installation of 2x roof lights

    14 Dellcott Close Welwyn Garden City AL8 7BD

    Received 9 Oct 2019
  23. Decided - Refused6/2020/2729/HOUSE

    Erection of two storey rear extension and single storey front extension

    8 Broom Close Hatfield AL10 9DL

    Received 13 Oct 2020
  24. Decided - Refused6/2022/1541/HOUSE

    Erection of a single storey, part first floor side extension and single storey, part first floor rear extension.

    25 Birchwood Close Hatfield AL10 0PP

    Received 1 Jul 2022

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.

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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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    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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