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England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,308Searchable applications
287Recorded as pending
86%Approval rate · 33,826 approved or refused records
4,820Refused applications

29,006 approved · 4,820 refused · 2,220 withdrawn. Received dates in our records: 29 Apr 1948 to 3 Nov 2026. Most recent record check: 10 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/2246/LAWP

    Certificate of lawfulness for a garage conversion

    28 Prospect Place Welwyn AL6 9EN

    Received 27 Jul 2021
  2. Decided - GrantedS6/2009/1089/LU

    CERTIFICATE OF LAWFULNESS FOR SINGLE STOREY GROUND FLOOR SIDE EXTENSION AND TWO STOREY REAR EXTENSION FOLLOWING DEMOLITION OF EXISTING SINGLE STOREY REAR EXTENSION

    72 Bell Lane, Brookmans Park, Hatfield, AL9 7AY

    Received 27 May 2009
  3. Decided - Granted6/2017/0713/EM

    Replacement of shared driveway and hardstanding to the front of No. 46.

    46 & 48 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 7 Apr 2017
  4. Decided - GrantedN6/2014/2204/FP

    Erection of two storey side and single storey rear extensions

    1 Crossway, Welwyn Garden City, AL8 7EB

    Received 6 Oct 2014
  5. Decided - Granted6/2022/1298/EMT

    Reduce 70ft oak tree by 30%, reduce the height of 3 holly trees by 50% and 1 by 30%, reduce the height of yew tree by 50%, reduce apple tree by 30%, reduce pear tree by 30% and reduce Laburnum tree by 30%

    16 Mandeville Rise, Welwyn Garden City, AL8 7JU

    Received 6 Jun 2022
  6. Decided - Granted6/2022/1960/EMT

    1 x Silver birch to reduce by approximately 30% crown volume (app 2m height & width) 1 x Cherry to reduce by approximately 20% crown volume (app 1.2 height & width)

    144 Howlands Welwyn Garden City AL7 4RG

    Received 23 Aug 2022
  7. Decided - Granted6/2022/1665/HOUSE

    Erection of a first floor rear extension

    13 Holme Road Hatfield AL10 9LH

    Received 14 Jul 2022
  8. Decided - Granted6/2017/1478/HOUSE

    Erection of a single storey rear extension following removal of existing conservatory

    168 Parkway Welwyn Garden City AL8 6HZ

    Received 6 Jul 2017
  9. Decided - Granted6/2024/0272/ADV

    Installation of 1x internally illuminated fascia signs, 1x internally illuminated projecting sign, 1x vinyl face delivery sign, 1 x side elevation sign

    1-5 Shoplands Welwyn Garden City AL8 7RH

    Received 9 Feb 2024
  10. DecidedN6/2008/1814/TE

    REDUCE CHERRY TREE, APPLE TREE AND HOLLY TREES IN REAR GARDEN BY 33%

    22 DELLCOTT CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BD

    Received 23 Sept 2008
  11. Decided - Granted6/2024/2106/FULL

    Creation of a new residential unit at third floor level

    26 Stonehills Welwyn Garden City AL8 6NA

    Received 31 Oct 2024
  12. Decided - GrantedN6/2014/2673/FP

    Demolition of existing derelict nursery buildings and construction of eco house with associated landscaping, access and parking.

    City Garden Nurseries Harmer Green Lane Digswell Welwyn AL6 0EP

    Received 10 Dec 2014
  13. Decided - RefusedN6/2007/1259/TP

    FELLING OF OAK TREE T2 COVERED BY TPO 310

    1 Rollswood Road Welwyn AL6 9TX

    Received 21 Aug 2007
  14. Decided6/2025/1069/TC

    Removal of a dead pear tree. The tree is approximately 7m high. The tree died in 2024 and we are concerned that it is now hazardous as some branches have already come down. We are requesting permission to take this dead tree down.

    6 Little Youngs Welwyn Garden City AL8 6SL

    Received 5 Jun 2025
  15. DecidedN6/2008/2002/TE

    REMOVE LOWER BRANCHES OF OAK TREE IN FRONT GARDEN AND RAISE CROWN TO 4 METRES

    4 THE GLADE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LG

    Received 18 Oct 2008
  16. Decided - WithdrawnN6/2014/1826/FP

    Remodelling of existing dwelling to accommodate new driveway access to development site to the rear

    19 Woodland Way Welwyn AL6 0RX

    Received 14 Aug 2014
  17. Decided - Granted6/2026/1061/EM

    Single-storey rear extension following demolition of the existing brick-built store.

    100 Cole Green Lane Welwyn Garden City AL7 3JD

    Received 18 Jun 2026
  18. Appeal Decided - Dismissed6/2018/0039/EM

    Retention of single storey side extension to rear garden outbuilding.

    22 Homestead Lane Welwyn Garden City AL7 4LU

    Received 5 Jan 2018
  19. Decided - Granted6/2017/0475/HOUSE

    Erection of a subterranean extension and removal of T8 (Fir) and T9 (Lime) covered by TPO393.

    Lake View Leggatts Park Great North Road Little Heath Potters Bar EN6 1NZ

    Received 10 Mar 2017
  20. Decided - GrantedN6/2014/1377/LB

    Installation of new felt roof and domed rooflights underneath existing roof lanterns

    Templewood Primary School, Pentley Park, Welwyn Garden City, AL8 7SD

    Received 18 Jun 2014
  21. Decided - Granted6/2022/0125/HOUSE

    Erection of a single storey side extension and rear conservatory.

    11 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 18 Jan 2022
  22. Decided - Granted6/2018/1820/EM

    Reduce 1x Lawson Cypress tree by 4m height

    10 Wren Wood Welwyn Garden City AL7 1QG

    Received 11 Jul 2018
  23. Decided - WithdrawnN6/2014/0140/HH

    Single storey rear extension

    6 Lodgefield, Welwyn Garden City, AL7 1SD

    Received 27 Jan 2014
  24. Decided - GrantedS6/2015/0726/DS

    Approval of details reserved by condition 3 ( materials) & 4 (landscaping) of planning permission S6/2014/2381/FP

    15 Tolmers Road, Potters Bar, EN6 4JF

    Received 31 Mar 2015

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

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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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