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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 9 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - Granted6/2024/1051/EM

    Replacement of roof. fascias and soffits

    27 Russellcroft Road Welwyn Garden City AL8 6QX

    Received 5 Jun 2024
  2. Decided - Granted6/2015/1768/FULL

    Retention of the residential conversion and change of use of a rural building to form a single dwellinghouse with car parking and landscaping, and use of the existing vehicular access onto Digswell Hill

    4 Digswell Hill Welwyn AL6 9AL

    Received 19 Aug 2015
  3. Decided - Granted6/2019/2167/HOUSE

    Erection of a ground floor part rear/side infill extension and alterations to openings

    3 Walden Road Welwyn Garden City AL8 7PE

    Received 2 Sept 2019
  4. Decided - Granted6/2019/1157/EM

    Erection of a single storey rear extension

    542 Howlands Welwyn Garden City AL7 4ET

    Received 13 May 2019
  5. Decided - WithdrawnN6/2008/0172/FP

    RETROSPECTIVE APPLICATION FOR SUBDIVISION OF EXISTING UNIT AND CHANGE OF USE FROM B8 (STORAGE) TO B1 (LIGHT INDUSTRY)

    AVONSERVE LIMITED, BRIDGEFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1RX

    Received 28 Jan 2008
  6. Decided - Withdrawn6/2022/1027/TPO

    T1 - XL Oak Tree Reduce the Oak tree in the middle of the garden by about 30% bringing in all overextended limbs forming a more rounded shape. We will be leaving appropriate growth points at the ends of the branches to allow the tree to grow better for its next pruning cycle and we will be lifting the canopy to about 5 meters T2 - Lift the canopy of the Yew tree to about 4 meters T3 - Lift the canopy of the Yew tree to about 4 meters T4 - Lift the canopy of the Yew tree to about 4 meters

    Dairy Lodge Essendon Place High Road Essendon Hatfield AL9 6HU

    Received 3 May 2022
  7. Decided - Granted6/2022/0072/HOUSE

    Installation of a front dormer to facilitate the conversion of the loft to habitable space

    10 Calder Avenue Hatfield AL9 7AQ

    Received 12 Jan 2022
  8. Decided - GrantedW6/2004/1042/EM

    ERECTION OF A SINGLE STOREY REAR EXTENSION

    7 Bushey Ley, Welwyn Garden City, AL7 3EY

    Received 8 Jul 2004
  9. Decided - Refused6/2018/3056/HOUSE

    Erection of single storey rear extension and alterations to openings including installation of rear and front dormers

    18 Guessens Road Welwyn Garden City AL8 6QR

    Received 30 Nov 2018
  10. Decided - Granted6/2022/2173/HOUSE

    Installation of dormer windows to garage roof for proposed games room

    Sawmill Cottage Waterend Lane Ayot St Peter Welwyn AL6 9BB

    Received 20 Sept 2022
  11. Decided - Granted6/2022/0271/EM

    Erection of a single storey rear extension

    22 Fearnley Road, Welwyn Garden City, AL8 6HW

    Received 7 Feb 2022
  12. Decided - Refused6/2026/0277/LB

    Erection of single storey rear and side extensions following the demolition of the existing detached sheds and attached W.C

    47 Dixons Hill Close Welham Green Hatfield AL9 7EF

    Received 18 Feb 2026
  13. Decided - Granted6/2017/1201/TPO

    Reduce 2 beech tree lower branches (T3 & T4) by 1m and prune 1 back by 2.5m to clear covered by TPO 167 (1991)

    33 Chantry Lane Hatfield AL10 9HS

    Received 1 Jun 2017
  14. Decided - Granted6/2026/1714/EMT

    1 x dead Silver birch (twin stem) to remove in sections to ground level.

    24 Melbourne Court Welwyn Garden City AL8 6LL

    Received 29 Sept 2026
  15. Decided - Granted6/2018/1887/EM

    Fell 2x Conifers,7x Elders, 3x Hawthorns,14x Sycamore trees.

    5 Bushey Close Welwyn Garden City AL7 3HD

    Received 18 Jul 2018
  16. Decided - Granted6/2019/1587/COND

    Submission of details pursuant to condition 1 (materials) and 2 (landscaping) on planning permission 6/2019/0865/VAR

    1 Coopers Road Little Heath Potters Bar EN6 1JG

    Received 28 Jun 2019
  17. Appeal Decided - DismissedS6/2007/1965/FP

    ERECTION OF A SINGLE STOREY SIDE EXTENSION AND INCREASE IN ROOF HEIGHT

    36 Theobalds Road Cuffley Potters Bar EN6 4HL

    Received 31 Dec 2007
  18. Decided - Granted6/2025/0414/COND

    Submission of details pursuant of condition 1 (materials) on planning permission 6/2024/1787/FULL

    The Hatfield Arms 54 Great North Road Hatfield AL9 5AE

    Received 5 Mar 2025
  19. Decided - GrantedS6/2006/0192/FP

    ERECTION OF TWO STOREY EXTENSION TO ACCOMMODATE MACHINE ROOM AND STORE ROOM

    Elma House 2 Beaconsfield Close Hatfield AL10 8YG

    Received 14 Feb 2006
  20. Decided - GrantedW6/2004/0670/EM

    FORMATION OF VEHICLE HARDSTANDING

    7 Great North Road Welwyn Garden City AL8 7TH

    Received 26 Apr 2004
  21. Decided - GrantedS6/2008/1731/DS

    Discharge of conditions 2 Materials, 3 Landscaping, 4 Archaeological Brief, 5 Drainage, 7 Management Plan, 8 Wheel Washing, 9 Access, 11 Lighting, 12 Biodiversity, 14 Tree Survey of Planning Permission S6/2006/1077/FP

    Former Howe Dell School Site, Old Rectory Drive, Hatfield, Herts, AL10 8AD

    Received 16 Sept 2008
  22. Decided - Refused6/2024/0486/LAWP

    Certificate of lawfulness for a garage conversion with extension to rear, replacing garage door with a window and door and raising roof height

    15 Birch Grove Welwyn AL6 0QP

    Received 13 Mar 2024
  23. Decided - Granted6/2023/1408/ADV

    Installation of: 1x projecting sign, 1 x fascia sign 1 x vinyl graphic sign

    43 Howardsgate Welwyn Garden City AL8 6AP (Post Office)

    Received 5 Jul 2023
  24. Decided - Granted6/2020/2212/TPO

    Oak T1 – Reduce crown back to previous pruning points

    14 Mardley Dell Welwyn AL6 0UR

    Received 27 Aug 2020

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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  • 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.

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.

Check collection coverage