PlanningTrack
Get started

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
40,117Searchable applications
300Recorded as pending
86%Approval rate · 33,649 approved or refused records
4,801Refused applications

28,848 approved · 4,801 refused · 2,206 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2008/0973/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION INCORPORATING A NEW GARAGE

    144 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HP

    Received 25 Jun 2008
  2. Decided - GrantedN6/2014/0307/LUP

    Certificate of lawfulness for the proposed erection of two storey rear extension

    22 Spinney Lane Welwyn AL6 9TF

    Received 5 Feb 2014
  3. Decided - GrantedS6/2007/1725/FP

    ERECTION OF A NEW DWELLING HOUSE FOLLOWING DEMOLITION OF EXISTING

    104 HAWKSHEAD ROAD, BROOKMANS PARK, POTTERS BAR, HERTFORDSHIRE, EN6 1NG

    Received 15 Nov 2007
  4. Decided - RefusedN6/2008/0664/OP

    OUTLINE PLANNING APPLICATION FOR DEMOLITION OF EXISTING HOUSE, RETENTION OF BUNGALOW AND THE ERECTION OF ONE PAIR OF SEMI-DETACHED HOUSES AND FOUR DETACHED BUNGALOWS

    15 DIGSWELL PARK ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7NW

    Received 3 Apr 2008
  5. Decided - Granted6/2025/0252/COND

    Submission of details pursuant to Conditions 1 (Construction Method Statement), 2 (Public Realm Management Strategy), 3 (Landscape and Ecological Management Plan), 4 (Arboricultural Information), 5 (Hard and Soft Landscape Works), (7 (Sustainable Drainage System), 8 (Materials and Furniture Palette) and Biodiversity Net Gain on planning permission 6/2024/1569/FULL

    Market Managers Office Hatfield Market Place Hatfield AL10 0LN

    Received 12 Feb 2025
  6. Decided - Granted6/2019/0232/HOUSE

    Erection of two storey side and rear extension to form a crown roof and a part single, part first floor side extension

    42 Bradmore Way Brookmans Park Hatfield AL9 7QX

    Received 4 Feb 2019
  7. Decided - Granted6/2019/1529/EM

    Erection of a single story rear extension

    44 Crookhams Welwyn Garden City AL7 1PF

    Received 24 Jun 2019
  8. Decided - GrantedW6/2015/0450/EM

    Erection of single storey side and rear extensions and first floor rear extension

    39 Attimore Road, Welwyn Garden City, AL8 6LG

    Received 4 Mar 2015
  9. Decided - GrantedN6/2007/0609/FP

    PROPOSED ENLARGEMENT OF HARDSTANDING

    24 Waterbeach Welwyn Garden City AL7 2PT

    Received 18 Apr 2007
  10. Decided - Granted6/2017/1748/HOUSE

    Retention of 4 x roof lights

    49 The Meadway Cuffley Potters Bar EN6 4ET

    Received 8 Aug 2017
  11. Decided - GrantedN6/2006/1644/TP

    PROPOSED 30% REDUCTION TO OAK TREE COVERED BY TPO 108

    19 Mardley Wood Welwyn AL6 0UY

    Received 4 Dec 2006
  12. Decided - Granted6/2025/1522/EM

    Construction of a new single story, 3m x 3.2m conservatory at the rear of the property

    62 Springfields Welwyn Garden City AL8 6XN

    Received 15 Jul 2025
  13. Decided6/2022/2523/TC

    1 x Eucalyptus to fell to ground level - Tree is too large for area and damaging path

    107 Woodhall Lane Welwyn Garden City AL7 3TH

    Received 3 Nov 2022
  14. Decided - GrantedN6/2014/0108/S73A

    Variation of condition 2 (drawings) of planning permission N6/2012/2538/FP - Erection of a five bedroom house with associated landscaping and access

    Land adjacent to, 51 Brockswood Lane, Welwyn Garden City, AL8 7BU

    Received 13 Jan 2014
  15. Decided - Refused6/2017/2920/TPO

    T1 Pine - fell and ground out stump covered by TPO 518 (2016)

    9 The Drive Welwyn AL6 0TW

    Received 18 Dec 2017
  16. Decided - Granted6/2021/0827/HOUSE

    Erection of part single, part two storey rear extension, ground and first floor side windows and internal alterations following the demolition of the existing conservatory

    8 Saxon Road Welwyn AL6 9JR

    Received 15 Mar 2021
  17. Decided - Granted6/2019/0993/HOUSE

    Erection of single storey front and rear extensions, two storey front and rear extensions and a loft conversion involving raising the ridge height and the insertion of two dormer windows in the rear roofslope and raised chimney stack

    41 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 24 Apr 2019
  18. Decided - RefusedN6/2008/0672/FP

    ERECTION OF TWO STOREY SIDE EXTENSION AND GARAGE

    8 VALLEY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7DF

    Received 4 Apr 2008
  19. Appeal Decided - Allowed6/2020/1401/FULL

    Change of use from residential to business use with formation of hardstanding for use as parking.

    4 Ground Lane Hatfield AL10 0HH

    Received 17 Jun 2020
  20. Decided - GrantedS6/2007/0925/MA

    RESIDENTIAL DEVELOPMENT OF 40 UNITS; COMPRISING OF FLATS, DWELLING HOUSES AND HIGHER NEEDS SUPPORT UNIT, INCLUDING ACCESS AND LANDSCAPING, FOLLOWING DEMOLITION OF EXISTING BUILDINGS

    LAND AT, HAZEL GROVE PRIMARY SCHOOL, HAZEL GROVE, HATFIELD, HERTFORDSHIRE, AL10 9DX

    Received 19 Jun 2007
  21. Decided6/2025/1731/TC

    T1- Cherry tree - reduce by 2 metres all over to maintain its shape and size for the area. T2- Conifer tree - fell to ground level due to it outgrowing its position and crowding out the Cherry beside it.

    21 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 14 Aug 2025
  22. Decided - GrantedN6/2013/2172/TC

    Crown reduction by 2m all round and a crown lift to 3m for Raywood Ash

    3 Parkside Welwyn AL6 9DQ

    Received 30 Sept 2013
  23. Decided - GrantedW6/2014/0449/TE

    Reduce Oak tree by upto 25%

    22 Cole Green Lane, Welwyn Garden City, AL7 3PW

    Received 18 Feb 2014
  24. Decided - Withdrawn6/2026/1620/HOUSE

    Erection of front boundary dwarf wall, railings and gated entrances and battened fencing to left and right boundaries to front garden alongside hardstanding to frontage

    68 Tolmers Road Cuffley Potters Bar EN6 4JY

    Received 17 Sept 2026

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Applications by postcode area

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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

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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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

More planning authorities in England

Browse all authorities