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
37,315Searchable applications
335Recorded as pending
86%Approval rate · 31,118 approved or refused records
4,327Refused applications

26,791 approved · 4,327 refused · 2,011 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 26 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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2021/3407/EMT

    Fell 1 x Eucalyptus Tree marked as (T1) and 1 x Leylandi Conifer tree marked as (T2) on site plan.

    18 Coneydale Welwyn Garden City AL8 7RZ

    Received 4 Dec 2021
  2. Decided - Granted6/2016/0436/HOUSE

    Erection of single storey rear extension and garden store with alterations to rear windows and French door

    5 Dixons Hill Close, Welham Green, Hatfield, AL9 7EF

    Received 16 Mar 2016
  3. Decided - Granted6/2018/0262/HOUSE

    Erection of a two storey side extension

    83 Peplins Way Brookmans Park Hatfield AL9 7UT

    Received 24 Jan 2018
  4. Decided - Granted6/2021/2821/EMH

    Erection of a single storey rear extension

    12 Marley Road Welwyn Garden City AL7 4BS

    Received 30 Sept 2021
  5. Decided - GrantedN6/2010/0199/TC

    FELLING OF SILVER BIRCH AND CONIFER

    19 WOODLAND RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LJ

    Received 8 Feb 2010
  6. Decided - GrantedW6/2014/0345/TE

    Reduce Weeping Willow tree by 50%

    23 Boxfield, Welwyn Garden City, AL7 4PT

    Received 30 Jan 2014
  7. Decided - Granted6/2016/1168/COND

    Approval of detail reserved by condition 2 (materials) on planning permission 6/2015/2457/HOUSE

    5 Whitehill Cottages, Whitehill, Ayot St Peter, Welwyn, AL6 9AE

    Received 14 Jun 2016
  8. Decided - Granted6/2019/1081/LAWP

    Certificate of lawfulness for the demolition of existing chimney to facilitate a hip to gable loft conversion, to include erection of rear facing dormer and insertion of 3 x front facing roof lights

    6 Oaklea Welwyn AL6 0PU

    Received 7 May 2019
  9. Decided - Granted6/2022/1703/LB

    Repainting of front door

    9-11 Church Street Welwyn AL6 9LN

    Received 18 Jul 2022
  10. Decided - GrantedN6/2007/1584/FP

    INSTALLATION OF EXTERNAL PLANT AND ERECTION OF FENCING COMPOUND.

    CO-OP, 1-5 SHOPLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7RH

    Received 25 Oct 2007
  11. Decided - Granted6/2018/1832/HOUSE

    Installation of 2 x windows to facilitate partial conversion of garage and creation of a pitched roof to replace the existing flat roof

    4 Upland Drive Brookmans Park Hatfield AL9 6PS

    Received 12 Jul 2018
  12. Decided - GrantedS6/2012/2237/EI

    Request for Environmental Impact Assessment Screening Opinion for Proposed Science Building

    University of Hertfordshire, College Lane, HATFIELD

    Received 24 Dec 2012
  13. Decided - Refused6/2017/1056/COND

    Submission of details pursuant to condition 3 and condition 4 (detailed surface water drainage scheme for car park), on planning permission 6/2016/1240/MAJ

    East Of England Ambulance Services Ascots Lane Welwyn Garden City AL7 4HL

    Received 16 May 2017
  14. Decided - Granted6/2018/0889/COND

    Submission of details pursuant to condition 1 (materials samples) on planning permission 6/2017/1467/HOUSE, dated 11/10/2017

    Millers Carbone Hill Northaw Newgate Street SG13 8RG

    Received 5 Apr 2018
  15. Decided - Granted6/2019/2907/EM

    Erection of single storey rear extension following demolition existing shed

    97 Sweet Briar Welwyn Garden City AL7 3EB

    Received 19 Nov 2019
  16. Decided - GrantedN6/2009/2650/TC

    REMOVAL OF LIME TREE INFECTED WITH FUNGUS

    Manor House Ellesfield Welwyn AL6 9HB

    Received 15 Dec 2009
  17. Decided - GrantedN6/2015/0147/TP

    Reduce crown of Willow tree by 1.5m and clean crown including removal of deadwood, Prune lateral branches of Spruce and Leyland Cypress tree to clear corner of building by 2.5m. Reduce length of lateral limbs on Yew tree to achieve a 4m clearance of building, plus prune 7 limbs of second Yew tree.

    16 The Green Welwyn AL6 9EA

    Received 26 Jan 2015
  18. DecidedS6/2015/1346/CD

    Proposed application for the variation of condition 33 on permission 0/1353-06 to increase the permitted vehicle movements from 210 (105 in, 105 out) on weekdays and 106 (53 in, 53 out) on Saturdays to 380 (190 in, 190 out) on weekdays and 160 (80 in, 80 out) on Saturdays

    Tyttenhanger Quarry, South of Coursers Road, Colney Heath, St Albans, Herts, AL4 0RZ

    Received 24 Jun 2015
  19. Decided - GrantedN6/2014/0755/FP

    Change of use of amenity land to residential

    16 The Reeds, Welwyn Garden City, AL7 3BN

    Received 7 Apr 2014
  20. Decided - Granted6/2021/1093/EM

    Formation of vehicle hardstanding

    24 Springfields Welwyn Garden City AL8 6XP

    Received 31 Mar 2021
  21. Decided - Granted6/2025/0731/LAWP

    Certificate of lawfulness for the erection of front porch, side/rear extension and hip to gable loft conversion with Juliet balcony and side dormers

    53 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 16 Apr 2025
  22. Decided - Granted6/2015/2072/EM

    Removal of Two Ash trees.

    9 Applecroft Road, Welwyn Garden City, AL8 6JZ

    Received 5 Oct 2015
  23. Decided - Refused6/2018/0216/PN15

    Prior approval for the installation of a 15m high telecommunications mast supporting 3 x antennas with GPR shroud and associated ground based equipment cabinets and ancillary apparatus.

    Land at Osborn Way Welwyn AL8 6JT

    Received 23 Jan 2018
  24. Decided - GrantedW6/2014/0887/EM

    Formation of hardstanding with standard block paving

    49 Springfields, Welwyn Garden City, AL8 6XT

    Received 23 Apr 2014

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

All planning guides
  • Understanding planning · 13 min read

    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