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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
40,141Searchable applications
300Recorded as pending
86%Approval rate · 33,672 approved or refused records
4,802Refused applications

28,870 approved · 4,802 refused · 2,207 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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. Appeal Decided - AllowedN6/2013/0721/FP

    Change of use of ground and first floors from B1 (Business) to D1 (Day Nursery)

    Trevelyan House, Church Road, WELWYN GARDEN CITY, AL8 6PS

    Received 5 Apr 2013
  2. Decided - Granted6/2017/1579/COND

    Submission of details pursuant to condition 6 b,c,d & e(Contamination) on planning permission 6/2015/2458/VAR

    Mundells Welwyn Garden City AL7 1FX

    Received 20 Jul 2017
  3. Decided - Granted6/2020/1436/PN8

    Prior approval for the erection of a single storey rear extension

    45 Codicote Road Welwyn AL6 9TT

    Received 19 Jun 2020
  4. Decided - GrantedS6/2013/2539/DS

    Discharge of conditions 3 (materials) & 4 (Landscaping) of planning permission S6/2013/1568/FP

    45A King James Avenue, Cuffley, Potters Bar, EN6 4LN

    Received 27 Nov 2013
  5. Decided - Withdrawn6/2018/0079/HOUSE

    Conversion of existing garage to habitable space annexed to existing property.

    109 Wellfield Road Hatfield AL10 0BY

    Received 10 Jan 2018
  6. Decided - Granted6/2024/0610/LAWP

    Certificate of Lawfulness for the erection of a single storey side extension

    41 Holloways Lane Welham Green AL9 7NR

    Received 2 Apr 2024
  7. Decided - Granted6/2022/2544/HOUSE

    Erection of rear single storey rear extension

    4 Dellsome Lane Welham Green Hatfield Hertfordshire AL9 7NF

    Received 7 Nov 2022
  8. Decided - GrantedS6/2013/0995/LB

    Replacement of two first floor rear windows and rear patio door

    10 Park Street, HATFIELD, AL9 5AX

    Received 14 May 2013
  9. Decided - Granted6/2026/0664/COND

    Submission of details pursuant to condition 5 (Landscaping Scheme), condition 9 (Renewable Energy) and condition 10 (Sustainable Urban Drainage) on planning permission 6/2022/1943/FULL

    Land Between 48 & 50 The Ridgeway Cuffley EN6 4BA

    Received 14 Apr 2026
  10. Decided - GrantedW6/2007/0348/EM

    ERECTION OF SHED AND ENCLOSURE OF EXISTING COVERED AREA AT REAR.

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

    Received 2 Mar 2007
  11. Decided - Granted6/2015/1970/TPO

    Crown thin Oak tree (T1) by 20%, reduce Oak tree (T2) crown by 20% and reduce by 2m - Conservation Area.

    29 Woodland Rise, Welwyn Garden City, AL8 7LJ

    Received 22 Sept 2015
  12. Decided6/2022/1066/TC

    Fell 4x large conifers to be replaced with conifers/ hedging.

    6 Parkfields Welwyn Garden City AL8 6ED

    Received 6 May 2022
  13. Decided - Granted6/2017/0716/PN8

    Prior approval for a flat roof single storey rear extension measuring 6m in depth 3.1m in height and 2.8m to the eaves

    6 Holme Road Hatfield AL10 9LF

    Received 6 Apr 2017
  14. Decided - GrantedW6/2007/1015/EM

    ERECTION OF A SINGLE STOREY REAR EXTENSION

    9 Great Ganett, Welwyn Garden City, AL7 3DA

    Received 4 Jul 2007
  15. Decided - GrantedN6/2014/2761/TE

    Removal of Cherry tree and Elderberry tree plus reduce crown of Oak tree by upto 4 metres and crown spread by upto 2 metres

    8 Salisbury Gardens, Welwyn Garden City, AL7 3RS

    Received 29 Dec 2014
  16. Decided - GrantedN6/2014/1500/TC

    Removal of 20 Leyland Cypress Conifer trees and one Ash tree

    1 Coneydale, Welwyn Garden City, AL8 7RX

    Received 1 Jul 2014
  17. Decided - Granted6/2017/1451/HOUSE

    Erection of a first floor side extension

    66 Digswell Park Road Welwyn Garden City AL8 7NS

    Received 4 Jul 2017
  18. Decided - Granted6/2019/2162/OUTLINE

    Outline planning permission for the erection of 39 dwellings with all matters reserved

    Land south-west of Filbert Close, Hatfield, AL10 9SH

    Received 2 Sept 2019
  19. Decided - Granted6/2018/2496/VAR

    Variation of condition 2 (The Development/Works shall not be started and completed other than in accordance with the approved plans and details WD/02B,WD/03B) on planning permission 6/2016/2395/HOUSE

    16 Wellington Drive Welwyn Garden City AL7 2NJ

    Received 1 Oct 2018
  20. Decided - Granted6/2016/1177/HOUSE

    Erection of single storey rear extension following demolition of existing extension

    71 Crawford Road Hatfield AL10 0PF

    Received 15 Jun 2016
  21. Decided - Granted6/2020/0465/COND

    Submission of details pursuant to condition 9 (Landscape and Ecology Management Plan) on application 6/2018/2943/MAJ

    Royal Veterinary College Hawkshead Lane Hatfield AL9 7TA

    Received 18 Feb 2020
  22. Decided - Refused6/2018/1294/HOUSE

    Erection of a detached single garage

    Plas-Y-Coed Digswell Lane Welwyn AL6 0SN

    Received 16 May 2018
  23. Decided - Refused6/2022/1810/FULL

    Change of use of garage annexe for short term rental

    20 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 2 Aug 2022
  24. Decided - Granted6/2017/0440/EM

    Removal of Poplar tree in rear garden

    141 Parkway Welwyn Garden City AL8 6JB

    Received 7 Mar 2017

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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    Planning permission drawings: how to read plans

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    Planning approval rates: how to read council statistics

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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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