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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
24,611Searchable applications
313Recorded as pending
86%Approval rate · 20,174 approved or refused records
2,787Refused applications

17,387 approved · 2,787 refused · 1,294 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/2433/HOUSE

    Erection of two storey rear extension and single storey side extension with installation of 3x rooflights and partial conversion of existing garage to form utility room following the demolition of existing conservatory

    145 Boundary Lane Welwyn Garden City AL7 4EQ

    Received 23 Oct 2017
  2. Decided - Refused6/2019/0432/HOUSE

    Erection of first floor side extension, single storey rear extension and replacement roof of existing single storey front and side extension

    38 Selwyn Crescent Hatfield AL10 9NN

    Received 26 Feb 2019
  3. Decided6/2021/3351/TC

    Reduce crown of ash tree by 3-4 metres and reduction of mixed species hedge to previous height

    22 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 26 Nov 2021
  4. Appeal Decided - Withdrawn6/2019/0812/EM

    Retention of hardstanding front Driveway

    92 Mill Green Road Welwyn Garden City AL7 3XE

    Received 3 Apr 2019
  5. Decided - Withdrawn6/2016/0790/EM

    1 x Pear tree located in the front garden to thin by 15%, reduce height by 2.5m. and width by 1.5m.

    28 Elmwood, Welwyn Garden City, AL8 6LE

    Received 27 Apr 2016
  6. Decided - Granted6/2018/0706/HOUSE

    Erection of a first floor side extension and loft conversion

    117 Tolmers Road Cuffley Potters Bar EN6 4JL

    Received 15 Mar 2018
  7. Decided - Granted6/2024/1016/COND

    Submission of details pursuant of condition 1 (construction management plan) 2 (Site Levels), 4 (archaeology) and 20 (vehicle charging) on planning permission 6/2021/3367/MAJ

    Ludwick Green Ludwick Way Welwyn Garden City Hertfordshire AL7 3QN

    Received 31 May 2024
  8. Decided - Granted6/2019/2455/EM

    Erection of a two storey side and single storey rear extension, and installation of skylight following demolition of existing conservatory

    15 Homestead Lane Welwyn Garden City AL7 4LT

    Received 2 Oct 2019
  9. Decided - Granted6/2021/0229/EM

    Conversion of front garden to a double driveway

    8 Broadwater Crescent Welwyn Garden City AL7 3TU

    Received 25 Jan 2021
  10. Decided - Granted6/2018/1375/EM

    Fell 2 x Lime trees (T1 and T2)

    9 Youngs Rise Welwyn Garden City AL8 6RT

    Received 23 May 2018
  11. Decided6/2022/1068/TC

    Rear boundary hedge to cut back by approximately 1.5m width. Reduce height from Holly & Laurel by 3m. We are reducing the size to maintain size and manage hedge

    19 Barleycroft Road Welwyn Garden City Hertfordshire AL8 6JX

    Received 9 May 2022
  12. Decided - Granted6/2019/2778/COND

    Submission of details pursuant to condition 44 (phasing details) on planning permission 6/2018/0171/MAJ

    Former Shredded Wheat Factory Welwyn Garden City AL8 6UN

    Received 4 Nov 2019
  13. Decided - Refused6/2019/1196/TPO

    Fell 2 x Beech tree

    5 The Drive Welwyn AL6 0TW

    Received 16 May 2019
  14. Decided - Granted6/2022/1170/COND

    Submission of details pursuant to condition number 1(Proposed Crown roof), 2 (brickwork) and 3 (three first floor side windows obscured), on planning permission 6/2021/2504/HOUSE - Erection of two storey side extension, single storey rear extension, link building, installation of two dormer windows, front porch canopy and associated landscaping.

    12 The Ridgeway Cuffley Potters Bar EN6 4AR

    Received 20 May 2022
  15. Appeal Decided - Allowed6/2017/2423/FULL

    Erection of 1 x 3-bedroom detached dwelling following demolition of garage and conservatory and enhancement of amenity space. Erection of shed

    24 London Road Welwyn AL6 9JD

    Received 20 Oct 2017
  16. Decided - Refused6/2018/1571/HOUSE

    Erection of single storey front extension and alterations to opening on existing rear elevation

    24 Elm Drive Hatfield AL10 8NU

    Received 12 Jun 2018
  17. Decided - Refused6/2026/0300/FULL

    Change of use of land to use as a Gypsy/Traveller caravan site, comprising 9 pitches each accommodating two caravans, including no more than one static caravan/mobile home per pitch, together with the laying of hardstanding and erection of acoustic fence

    Warren Lodge Stables Great North Road Hatfield AL9 5JX

    Received 19 Feb 2026
  18. Decided - Granted6/2023/1438/EMT

    Yew tree at rear of garden to be reduced and thinned by 20%. Adjacent large Cypress Fir tree to be felled

    5 Barleycroft Green Welwyn Garden CitY AL8 6JY

    Received 11 Jul 2023
  19. Under Consideration6/2026/1301/LAWP

    Certificate of lawfulness for the erection of an outbuilding and double garage within the curtilage of existing dwelling including formation of driveway and demolition of existing garage

    20 Kingsmead Cuffley Potters Bar EN6 4AN

    Received 24 Jul 2026
  20. Decided - Granted6/2021/1409/HOUSE

    Demolition of existing rear terrace and construction of part side, part rear double storey extension with associated dormer windows and single storey front extension.

    19 Robbery Bottom Lane Welwyn AL6 0UL

    Received 4 May 2021
  21. Decided - Granted6/2017/0955/COND

    Submission of details pursuant to condition 5 (construction management plan) and 6 (drainage strategy) on planning permission 6/2015/1774/MAJ, dated 29/09/2016

    71 Great North Road Hatfield AL9 5EN

    Received 8 May 2017
  22. Decided6/2020/1255/TC

    Reduce 1 x Ash Tree Crown by 25%.

    29 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 4 Jun 2020
  23. Decided - Granted6/2019/1355/EM

    Erection of a two storey side and rear extension

    8 Vine Close Welwyn Garden City AL8 7PS

    Received 5 Jun 2019
  24. Decided - Granted6/2025/2332/HOUSE

    Erection of a two-storey side and rear extension

    10 Oak Road Woolmer Green SG3 6LS

    Received 4 Nov 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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    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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