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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
35,466Searchable applications
331Recorded as pending
86%Approval rate · 29,541 approved or refused records
3,991Refused applications

25,550 approved · 3,991 refused · 1,847 withdrawn. Received dates in our records: 29 Apr 1948 to 16 Oct 2026. Most recent record check: 23 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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2024/1801/LAWP

    Certificate of lawfulness for the erection of brick boundary wall to replace existing fencing

    95 Robbery Bottom Lane Welwyn AL6 0UL

    Received 17 Sept 2024
  2. Decided - GrantedS6/2013/2156/FP

    Erection of single storey rear extension

    29 Homewood Avenue, Cuffley, Potters Bar, EN6 4QQ

    Received 11 Oct 2013
  3. Decided - Granted6/2024/2436/LAWP

    Certificate of lawfulness for the construction of garage and hardstanding to the rear of the property

    33 Lemsford Village Lemsford Welwyn Garden City AL8 7TR

    Received 30 Dec 2024
  4. Decided - Granted6/2024/2245/HOUSE

    Erection of part single, part two storey rear extension, following demolition of conservatory

    41 Oaklands Wood Hatfield AL10 8LU

    Received 22 Nov 2024
  5. Decided - Granted6/2020/0454/HOUSE

    Erection of front gates and new boundary wall

    30 Mardley Hill Welwyn AL6 0TS

    Received 18 Feb 2020
  6. Decided - Granted6/2026/0953/TPO

    T1-T10 Hornbeam to repollard back to previous pollard points roughly 3m cut back to main trunk. T11-T15 Hornbeam to cut back by 1.5m boundary of all branches overhanging rear boundary.

    14 Birch Grove Welwyn AL6 0QP

    Received 1 Jun 2026
  7. Appeal Decided - DismissedN6/2009/0186/FP

    ERECTION OF SINGLE STOREY FRONT & FIRST FLOOR FRONT EXTENSIONS AND REAR CONSERVATORY

    7 Elmoor Avenue Welwyn AL6 9PG

    Received 27 Jan 2009
  8. Decided - Granted6/2016/2535/EM

    Crown reduce Silver Birch tree by 1.5m

    195 Handside Lane Welwyn Garden City AL8 6TE

    Received 15 Nov 2016
  9. Decided - Granted6/2018/1306/COND

    Submission of details pursuant to condition 1 (surface water details) on planning permission 6/2017/1866/FULL

    11 Kerdistone Close Little Heath Potters Bar EN6 1LG

    Received 17 May 2018
  10. Decided - Split6/2017/2912/COND

    Submission of details pursuant to conditions 1 (material samples), 2 (details of new windows, roof lights, link glazing and doors) 3 (details of eaves, parapets, verges, abutments and chimney stack), 4 (details of cast iron rainwater goods) on listed building consent 6/2017/2594/LB

    Oshwal Centre Coopers Lane Road Northaw Potters Bar EN6 4DG

    Received 18 Dec 2017
  11. Decided - Refused6/2019/2025/HOUSE

    Erection of a two storey front, single storey rear extension and alterations to openings

    12 Elmoor Avenue Welwyn AL6 9PA

    Received 13 Aug 2019
  12. Decided - GrantedN6/2008/1921/FP

    ERECTION OF FRONT PORCH

    4 Lanercost Close Welwyn AL6 0RW

    Received 8 Oct 2008
  13. Decided - Granted6/2021/3340/FULL

    Conversion of Staff Room/Store to Nursery Room and erection of 1 x Standing Staff Room

    1 Mardley Hill Welwyn AL6 0UE

    Received 26 Nov 2021
  14. Decided - Granted6/2017/1158/COND

    Submission of details pursuant to condition 1 (materials samples), 2 (landscaping scheme) and 4 (construction method statement) on planning permission 6/2016/2699/FULL, dated 15/05/2017

    8-10 Wendover Drive Welwyn AL6 9LT

    Received 26 May 2017
  15. Decided - Granted6/2016/0834/PN8

    Prior approval for the erection of single storey rear extension 5.84m deep by 3.025m high, with eaves of 2.925m in height following demolition of existing rear extension

    34 Astwick Avenue Hatfield AL10 9LA

    Received 3 May 2016
  16. Decided - Granted6/2018/1116/HOUSE

    Erection of a single storey rear extension

    53 Peartree Lane Welwyn Garden City AL7 3UA

    Received 30 Apr 2018
  17. Decided - GrantedN6/2014/0831/FP

    Extension and conversion of store room to create bedroom and shower room

    27 Raymonds Plain, Welwyn Garden City, AL7 4TE

    Received 15 Apr 2014
  18. Decided - Refused6/2023/1270/EM

    Loft conversion with rear dormer and front 3 skylights

    46 Holwell Road Welwyn Garden City AL7 3RQ

    Received 16 Jun 2023
  19. Decided6/2021/2068/TPO

    Reduce crown on Oak by approximately 3m

    52 Woodland Rise Welwyn Garden City AL8 7LF

    Received 8 Jul 2021
  20. Decided - Granted6/2016/1201/EM

    Removal of 19 Leylandi trees and installation of 10no 6ft fence panels with concrete posts along the boundary line

    279 Knightsfield, Welwyn Garden City, AL8 7RA

    Received 16 Jun 2016
  21. Decided - Granted6/2019/0108/PN11

    Prior approval for change of use from Offices (B1) to residential (C3) 72 Self Contained Flats

    29 Broadwater Road Welwyn Garden City AL7 3BQ

    Received 18 Jan 2019
  22. Decided6/2020/0502/TC

    Reduce 1 x Ash tree crown by 30% Reduce 1 x Maple tree by 20%

    7 Parkway Close Welwyn Garden City AL8 6HJ

    Received 19 Feb 2020
  23. Decided - GrantedS6/2008/0840/FP

    INSTALLATION OF NEW SHOP FRONT WITH ELECTRONIC SHUTTERS (RETROSPECTIVE APPLICATION)

    BAR TURAN, 2 PARKHOUSE COURT, HATFIELD, HERTFORDSHIRE, AL10 9RQ

    Received 28 May 2008
  24. Decided - Refused6/2021/0004/HOUSE

    Construction of new access and crossover.

    Manor Cottage Vineyards Road Northaw Potters Bar EN6 4PQ

    Received 4 Jan 2021

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 permission drawings: how to read plans

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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.

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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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