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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
40,066Searchable applications
298Recorded as pending
86%Approval rate · 33,604 approved or refused records
4,797Refused applications

28,807 approved · 4,797 refused · 2,203 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 30 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2015/0832/FP

    Garage conversion to incidental annex

    Les Travees Digswell Lane Welwyn AL6 0SN

    Received 16 Apr 2015
  2. Decided - Granted6/2023/1996/HOUSE

    Erection of a single storey rear extension following the demolition of existing conservatory, and installation of front and rear dormer windows following alteration from hipped roof to crown roof

    2 The Driveway Cuffley Potters Bar EN6 4EB

    Received 27 Sept 2023
  3. Decided - Granted6/2017/0104/LB

    Erection of single storey extension to the north elevation following demolition of 20th century extension

    Barn Theatre Barn Close Welwyn Garden City AL8 6ST

    Received 20 Jan 2017
  4. Decided - GrantedN6/2014/0788/FP

    Erection of single storey front extension and part single, part two storey side and rear extension

    5 Carleton Rise Welwyn AL6 9RP

    Received 7 Apr 2014
  5. Decided - Granted6/2017/0088/VAR

    Variation of condition 4 (Approved Plans) on planning permission 6/2016/2409/HOUSE

    17 Upland Drive Brookmans Park Hatfield AL9 6PS

    Received 17 Jan 2017
  6. Decided - Refused6/2024/0216/FULL

    Extension of the existing car park facilitated by felling and replanting of trees and erection of boundary insulation

    Welwyn Garden City Golf Club Mannicotts Welwyn Garden City AL8 7BP

    Received 2 Feb 2024
  7. Decided - Granted6/2016/0380/EM

    Reduce Cherry tree and Maple tree by 25%

    33 Blakemere Road, Welwyn Garden City, AL8 7PQ

    Received 26 Feb 2016
  8. Decided - Granted6/2019/1798/COND

    Submission of details pursuant to condition 1 (Ecology) 6/2018/2305/HOUSE

    8 Mardley Hill Welwyn AL6 0TN

    Received 22 Jul 2019
  9. Decided - Granted6/2015/2394/COND

    Approval of details reserved by condition 2 (materials) on planning application N6/2015/0917/FP and condition 6 (materials) on planning application W6/2015/0918/EM

    33 Sherrardspark Road, Welwyn Garden City, AL8 7JW

    Received 25 Nov 2015
  10. Decided - Granted6/2019/1700/HOUSE

    Erection of single storey rear extension

    16 Veritys Hatfield AL10 8HH

    Received 10 Jul 2019
  11. Decided - Withdrawn6/2022/1263/COND

    Development: G1 (ash, maple, Prunus, beech) to fell. T1 Acer to fell. T2, T3, T5, T6, T7, T8 all ash to fell.

    22 Parkway Welwyn Garden City AL8 6HG

    Received 27 May 2022
  12. Decided - Granted6/2017/0401/COND

    Approval of details reserved by conditions 2 (materials) & 5 (bird boxes) on planning permission 6/2016/1086/FULL

    York House, 8 Salisbury Square, Hatfield, AL9 5AD

    Received 1 Mar 2017
  13. Decided - Granted6/2018/1844/HOUSE

    Erection of a single storey rear and side extension and front porch, following the demolition of existing garage

    67 Bluebridge Road Brookmans Park Hatfield AL9 7UW

    Received 13 Jul 2018
  14. Decided6/2021/1561/TC

    Hawthorn - remove

    46 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 17 May 2021
  15. Decided - GrantedS6/2004/0276/FP

    ERECTION OF TWO STOREY, PART SINGLE STOREY SIDE EXTENSION, SINGLE STOREY REAR EXTENSION AND PITCHED ROOF OVER FRONT PORCH

    1 Bullrush Close Hatfield AL10 8PE

    Received 1 Mar 2004
  16. Decided - Granted6/2016/0499/TPO

    Reduction of Willow tree by upto 15% plus removal of crossed branches - Conservation Area

    51 Longcroft Gardens, Welwyn Garden City, AL8 6JR

    Received 8 Mar 2016
  17. Under Consultation6/2026/1682/HOUSE

    Addition of solar panels to roof (front and rear)

    63 Parkway Welwyn Garden City AL8 6JF

    Received 23 Sept 2026
  18. Decided6/2022/2594/TC

    1 x dead Cherry (growing through Hornbeam) to fell to ground level

    5 Mandeville RiseWelwyn Garden City Hertfordshire AL8 7JT

    Received 14 Nov 2022
  19. Decided - Granted6/2019/2743/COND

    Submission of details pursuant to condition 5 (hard and soft landscaping works) on planning permission 6/2018/2943/MAJ

    Royal Veterinary College Hawkshead Lane North Mymms Hatfield AL9 7TA

    Received 30 Oct 2019
  20. Decided - Granted6/2021/2703/EMT

    Fell 1 x Hazel tree

    42 Pentley Park Welwyn Garden City AL8 7SB

    Received 17 Sept 2021
  21. Decided - Granted6/2019/1154/EM

    Fell 1 x (T1) Conifer tree Fell 1 x (T2) Sycamore tree

    112 Haldens Welwyn Garden City AL7 1DG

    Received 13 May 2019
  22. Decided - Granted6/2020/1819/FULL

    Part demolition of existing dwellinghouse, outbuilding and raised amenity area to accommodate the erection of 1 No. 3 bedroomed infill dwelling. Associated excavation and landscaping works.

    21 Acorn Lane Cuffley Potters Bar EN6 4JQ

    Received 23 Jul 2020
  23. Decided - GrantedN6/2013/0547/DS

    Discharge of condition 14 (Remediation Strategy), 15 (Verification Report) of planning permission N6/2012/1778/OP

    The Frythe, 5 Digswell Hill, WELWYN, AL6 9AR

    Received 15 Mar 2013
  24. Decided - Granted6/2025/0573/HOUSE

    Erection of single storey side extension and garage conversion

    24 St Audreys Green Welwyn Garden City AL7 3RT

    Received 25 Mar 2025

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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