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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
36,516Searchable applications
333Recorded as pending
86%Approval rate · 30,418 approved or refused records
4,167Refused applications

26,251 approved · 4,167 refused · 1,955 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 24 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/1190/TPO

    T2 - 1 x Sweet chestnut to reduce by 1.5m in height and width, remove deadwood, lift branches over the property to the rear T1 - 1 x Ash to crown reduce by approx 3m to suitable growth points. T3 - 1 x Pine to reduce back to clear building by 2m T4 - 1 x Copper beech to cut back to clear building by 2m T5 - 1 x Sweet chestnut to reduce 2 x limbs by 2.5m T6 - 1 x Sweet chestnut to reduce limb over sailing neighbours property by 2.5m

    8 Firway Welwyn AL6 0RD

    Received 13 Jun 2025
  2. Decided - GrantedN6/2014/2380/FP

    Erection of single storey rear extension

    30 Beehive Lane, Welwyn Garden City, AL7 4BQ

    Received 28 Oct 2014
  3. Decided - Granted6/2023/1773/HOUSE

    Erection of first floor rear extension and installation of new side elevation window

    3 Heathlands Welwyn AL6 0UU

    Received 23 Aug 2023
  4. Decided - WithdrawnN6/1990/0395/FP

    Extension to existing warehouse

    Smith Kline Beecham, Ridgeway, Welwyn Garden City

    Received 1 Jan 1990
  5. Decided - Granted6/2021/0908/COND

    Submission of details pursuant to condition 1 (Contamination), 2 (Tree Protection), condition 3 (Materials), condition 4 (Crown Roof), condition 5 (Part M3(2)) and condition 6 (bird boxes) on planning permission 6/2020/0456/FULL

    75 Oaklands Avenue, Brookmans Park, Hatfield, AL9 7UH

    Received 22 Mar 2021
  6. Decided - Granted6/2019/1897/COND

    Submission of details pursuant to condition 3(iii) (Performance Scheme) on planning permission 6/2017/0624/MAJ

    The Beacon, Mosquito Way, Hatfield Business Park, Hatfield, AL10 9WN

    Received 2 Aug 2019
  7. Decided - GrantedW6/2015/0550/EM

    Replacement of shed

    7 Russellcroft Road, Welwyn Garden City, AL8 6QY

    Received 13 Mar 2015
  8. Decided - Granted6/2016/0384/EM

    Erection of a 4m x 4m conservatory to the rear of the property

    66 Valley Road, Welwyn Garden City, AL8 7DN

    Received 2 Mar 2016
  9. Decided6/2019/1876/TPO

    Fell 1 x Self-set Ash tree, tree in Conservation Area

    3 High Street Welwyn AL6 9EE

    Received 31 Jul 2019
  10. Decided - Granted6/2015/1630/HOUSE

    Erection of single storey front extension

    77 High Dells Hatfield AL10 9HY

    Received 3 Aug 2015
  11. Decided - Granted6/2025/2411/HOUSE

    Erection of a single storey front extension to the existing attached garage.

    4 Sharmans Close Digswell Welwyn AL6 0AR

    Received 18 Nov 2025
  12. Decided - Refused6/2019/0375/PN11

    Prior approval for the change of use of the first and second floors from B1 (a) offices to C3 Dwelling houses (24 in total)

    Stonehills House Stonehills Welwyn Garden City AL8 6NH

    Received 18 Feb 2019
  13. Decided - Granted6/2022/1077/COND

    Submission of details pursuant to condition 1 (archaeological monitoring, publication and archiving) on planning application 6/2020/3187/FULL

    7 Wendover Drive Welwyn Hertfordshire AL6 9LT

    Received 9 May 2022
  14. Decided - Refused6/2023/1283/TPO

    Fell 1 x oak covered by TPO 738 (2018)

    19 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 19 Jun 2023
  15. Decided - Granted6/2022/0222/EM

    Erection of Single Storey Rear Extension

    11 Digswell Park Road, Welwyn Garden City, AL8 7NW

    Received 1 Feb 2022
  16. Decided - Refused6/2026/1017/FULL

    Hardstanding and highway access upgrade

    The Brookmans Park Estate Brookmans Park Hertfordshire

    Received 9 Jun 2026
  17. Decided - GrantedN6/2014/2067/FP

    Erection of part ground, part two storey rear extension

    14 Handside Close, Welwyn Garden City, AL8 6SR

    Received 17 Sept 2014
  18. Decided - SplitS6/2007/1689/TP

    LIFT AND CUT BACK OVER GARDEN OF 13 GORSEWAY BY 20% AND THIN CANOPY BY 25% OF LIME TREE T4 COVERED BY TPO 249

    24 Buttercup Close Hatfield AL10 9FG

    Received 12 Nov 2007
  19. Decided - RefusedW6/2015/0107/EM

    Erection of single storey side extension

    80 Woodhall Lane, Welwyn Garden City, AL7 3TF

    Received 22 Jan 2015
  20. Decided - Refused6/2020/0335/LAWE

    Certificate of lawfulness for the existing use of HMO

    7 Branch Close Hatfield AL10 0TW

    Received 4 Feb 2020
  21. Decided - Granted6/2017/0234/HOUSE

    Erection of single storey rear extension and installation of 6 rooflights, including partial conversion of garage to utility room.

    5 Wellington Drive Welwyn Garden City AL7 2NL

    Received 9 Feb 2017
  22. Decided - Granted6/2025/1596/TPO

    TPO 89 G3 T1, T2, T4, T7, T8, T9 & T10 Hornbeam - Pollard back to previous pruning points. T5 & T6 Hornbeam - Pollard back to previous pruning points and reduce subsidiary branches by 20%.

    14 Bluebells Welwyn AL6 0XD

    Received 24 Jul 2025
  23. Decided - Granted6/2017/0885/TPO

    Felling of Norway Maple tree covered by TPO 548 T5 - Dead & Dangerous

    30 London Road Welwyn AL6 9JD

    Received 27 Apr 2017
  24. Decided - Refused6/2018/0818/LAWP

    Certificate of lawfulness for lifting roof line of existing structure, replacing windows and doors with double glazed units and constructing of a single storey flat roof extension on part of the patio.

    55 High Street Welwyn AL6 9EH

    Received 27 Mar 2018

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

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How to search planning applications

Guides to planning records

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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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