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
40,120Searchable applications
300Recorded as pending
86%Approval rate · 33,652 approved or refused records
4,801Refused applications

28,851 approved · 4,801 refused · 2,206 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 Oct 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2025/0273/TC

    2 x Beech to reduce by approximately 3m in height and 2m in width. Remove deadwood consisting of branches greater than 30mm in diameter

    6 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 14 Feb 2025
  2. Decided - GrantedS6/2013/1647/LB

    Creation of fire escape and from existing first floor and sub-division of existing first floor bathroom to create a private kitchenette and shower room for accommodation

    Two Brewers, 1 Northaw Road West, Northaw, Potters Bar, EN6 4NW

    Received 25 Jul 2013
  3. Decided - Refused6/2022/1304/FULL

    Erection of dwelling following demolition of existing garages

    42 Thornton Road Little Heath Potters Bar EN6 1JH

    Received 6 Jun 2022
  4. Decided6/2026/1482/TC

    Remove 40ft ash tree - The ash tree is showing signs of basal decay and structural defects from previous poor pruning, raising concerns over its long-term stability. Its raised roots are also damaging and lifting garden pathways, creating an ongoing maintenance and trip hazard. Continued pruning would require significant ongoing expenditure, therefore removal is considered appropriate on arboricultural, safety and practical grounds

    29 Sheepcote Welwyn Garden City AL7 4QA

    Received 24 Aug 2026
  5. Decided - Withdrawn6/2019/2697/TC

    Fell 2 x Oak (T1, T2)

    4 Densley Close Welwyn Garden City AL8 7JX

    Received 25 Oct 2019
  6. Decided - Granted6/2025/2594/TPO

    Lime Tree (T1) Crown thin and repollard removing 3-4m of growth back to previous pollard point. TPO 1051 (2023)

    6 Welwyn Hall Gardens Welwyn AL6 9LF

    Received 18 Dec 2025
  7. Decided - Granted6/2021/1600/HOUSE

    Erection of two storey side and rear extension with new front dormer on existing roof

    8 Wood View Cuffley Potters Bar EN6 4RE

    Received 19 May 2021
  8. Appeal Decided - DismissedS6/2014/0542/FP

    Erection of first floor rear extension

    127 The Ridgeway, Cuffley, Potters Bar, EN6 4BG

    Received 14 Mar 2014
  9. Decided - GrantedW6/2013/2488/TE

    Reduce two Oak trees by 30%

    10 Attimore Close and land adj to 10 Attimore Close, WELWYN GARDEN CITY, AL8 6LN

    Received 13 Nov 2013
  10. Decided - GrantedN6/2014/1165/DS

    Approval of details reserved by condition 3 (materials) of planning permision N6/2014/0392/FP

    48 Marsden Green, Welwyn Garden City, AL8 6YB

    Received 23 May 2014
  11. Decided - Granted6/2020/2198/EMT

    Fell T1 Apple and remove section of H2 Hornbeam hedge for 2.5m of clearance to the property.

    12 Golden Dell Welwyn Garden City AL7 4EB

    Received 28 Aug 2020
  12. Decided - GrantedW6/2007/0938/EM

    ERECTION OF WROUGHT IRON GATES TO DRIVEWAY AND REPLACEMENT OF FRONT AND LEFT SIDE BOUNDARY HEDGING WITH BEECH HEDGE

    131 Salisbury Road, Welwyn Garden City, AL7 3RZ

    Received 25 Jun 2007
  13. Decided - Granted6/2017/2206/TPO

    Reduce 1 x Field Maple tree by 2m with laterals pruned (T1), remove basal growth of 1 x Sycamore tree and self-seeded trees nearby (T2), reduce 1 x Norway Maple tree to below zone of die-back by 5m in height and prune laterals (T5) - covered by TPO 301 (2004)

    Parkhouse Court Hatfield AL10 9QZ

    Received 28 Sept 2017
  14. Decided - Granted6/2018/3198/COND

    Submission of details pursuant to condition 3 (Materials) on planning application 6/2017/0725/HOUSE

    1 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 17 Dec 2018
  15. Decided - Granted6/2019/1567/EM

    Erection of boundary fence measuring 2m following removal of existing 6ft fence

    9 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 26 Jun 2019
  16. Decided - Granted6/2021/2753/HOUSE

    Erection of a first floor rear extension

    68 Peartree Lane Welwyn Garden City AL7 3UH

    Received 22 Sept 2021
  17. Decided - Granted6/2025/1433/EMT

    1x Cockspur Thorn Tree to lower by 20% (approx 1m) and shape 1x Hawthorn Tree to lower by 20% (approx 1m (and shape to reduce overhang to neighbour's garden)

    21 Turmore Dale Welwyn Garden CIty AL8 6HT

    Received 7 Jul 2025
  18. Decided - Granted6/2020/2254/PN8

    Prior approval for erection of three single-storey rear extensions

    Meadow Farm Northaw Road West Northaw Potters Bar EN6 4QX

    Received 2 Sept 2020
  19. Decided - Refused6/2015/2437/LAWP

    Certificate of lawfulness for the erection of single storey building to form study, storage area and utility room

    1 Church Cottages, Bibbs Hall Lane, Welwyn, AL6 9BZ

    Received 9 Dec 2015
  20. Decided6/2020/1833/TC

    Fell 1 x Contorted Willow

    24 High Oaks Road Welwyn Garden City AL8 7BH

    Received 24 Jul 2020
  21. Decided - Granted6/2025/0947/COND

    Submission of details pursuant to Condition 5 (Access arrangement and disposal of surface water from the proposed parking area) on planning permission 6/2015/1983/FULL

    Field View Court New Road Welwyn Garden City AL8 7TX

    Received 22 May 2025
  22. Decided - Refused6/2025/2078/COND

    Submission of details pursuant to condition 1 (Works and Repairs Methodology) and condition 4 (Insulation), on planning permission 6/2022/0867/LB

    The Hope and Anchor 2 Station Road Welham Green Hatfield AL9 7PJ

    Received 30 Sept 2025
  23. Decided6/2020/2227/TC

    Reduce 1 x Beech Tree by 2.5m in height and 3m in width, fell 2 x Laburnum to ground level, reduce 1 x Copper Beech Tree by 2.5m in height & width covered by conservation area

    10 Mannicotts Welwyn Garden City AL8 7BW

    Received 1 Sept 2020
  24. Decided - GrantedS6/2004/1337/LB

    ALTERATIONS AND TWO STOREY REAR EXTENSION TO EXISTING HOUSE, LINKING UP EXISTING ANNEX TO MAIN DWELLING INVOLVING DEMOLITION OF EXISTING LEAN TO EXTENSION.

    Nyn Manor Farm Cottage Vineyards Road Northaw

    Received 6 Sept 2004

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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    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.

  • 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.

  • 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