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
40,229Searchable applications
309Recorded as pending
86%Approval rate · 33,738 approved or refused records
4,810Refused applications

28,928 approved · 4,810 refused · 2,212 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2018/3073/HOUSE

    Erection of a pitched roof to front porch

    5 Howicks Green Welwyn Garden City AL7 4RJ

    Received 30 Nov 2018
  2. Decided - Granted6/2021/2279/HOUSE

    Erection of a single storey side and rear extension

    67 Bramble Road Hatfield AL10 9SA

    Received 29 Jul 2021
  3. Decided - Granted6/2020/3348/HOUSE

    Courtyard extension and fenestration amendments

    4 Harmer Dell Welwyn AL6 0BE

    Received 15 Dec 2020
  4. Decided - Granted6/2024/1191/HOUSE

    Erection of single storey garage following the removal of double gates and the demolition of existing sheds

    1 Bacons Drive Cuffley Potters Bar EN6 4EF

    Received 26 Jun 2024
  5. Decided - GrantedW6/2004/0355/EM

    ERECTION OF SINGLE STOREY FRONT EXTENSION AND FIRST FLOOR FRONT WINDOW

    21 Uplands, Welwyn Garden City, AL8 7EN

    Received 10 Mar 2004
  6. Decided - Granted6/2020/1491/EMH

    Erection of a single storey side and rear extension, to create a shared party wall with No. 4, following demolition of existing rear conservatory and detached garage.

    2 Archers Ride Welwyn Garden City AL7 4PS

    Received 19 Jun 2020
  7. Decided - Granted6/2019/1228/HOUSE

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

    97 Crawford Road Hatfield AL10 0PF

    Received 21 May 2019
  8. Decided - Granted6/2025/2165/HOUSE

    Erection of part single and part two storey rear extension and alterations to fenestration

    225 Howlands Welwyn Garden City AL7 4HG

    Received 13 Oct 2025
  9. Decided - RefusedS6/2007/1949/FP

    ERECTION OF DOUBLE STOREY SIDE EXTENSION WITH INTERGRAL GARAGE

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

    Received 27 Dec 2007
  10. Decided - RefusedS6/2015/1169/DS

    Approval of details reserved by condition 3 (window sample) on planning permission S6/2014/1890/LB

    30 Church Street Hatfield AL9 5AW

    Received 2 Jun 2015
  11. Decided - Granted6/2019/1557/PN8

    Prior approval for the erection of single storey rear extension measuring 3.9M in depth, 3.15M height and 2.9M to the eaves

    27 Archers Ride Welwyn Garden City AL7 4PR

    Received 25 Jun 2019
  12. Decided - GrantedN6/2015/0528/FP

    Erection of rear conservatory

    29 Parkfields, Welwyn Garden City, AL8 6EE

    Received 12 Mar 2015
  13. Decided - WithdrawnN6/2014/0341/FP

    Erection of single dwelling with integral garage

    Land adjacent to 30 New Road Digswell Welwyn AL6 0AH

    Received 13 Feb 2014
  14. Decided - Granted6/2016/1853/LB

    Alterations to garden building to form an annexe

    29 Lemsford Village, Welwyn Garden City, AL8 7TN

    Received 9 Sept 2016
  15. Decided - Granted6/2018/0527/FULL

    Installation of single storey building to be used as reception and store for textile collections – retrospective.

    Car Park, The Galleria, Comet Way, Hatfield, AL10 0DR

    Received 22 Feb 2018
  16. Decided - Granted6/2024/0988/LB

    Internal alterations to the Grade II listed building including general refurbishment and the conversion of existing outbuilding into habitable space

    1 Digswell Park Cottages Digswell Park Road Welwyn Garden City AL8 7NN

    Received 28 May 2024
  17. Decided - GrantedS6/2013/1035/AD

    Retention of 9 non-illuminated signs (7 x 'Tariff' Signs, 1 x 'Entrance' Sign and 1 x 'Pay Here' Sign)

    Ramada Hatfield St Albans Road West Hatfield AL10 9RH

    Received 20 May 2013
  18. Decided - Refused6/2017/2179/EM

    Erection of single storey rear extension

    57 Rosedale Welwyn Garden City AL7 1DP

    Received 22 Sept 2017
  19. Decided - GrantedN6/2015/0069/NM

    Non-material amendment following approval of planning permission N6/2014/3127/FP replace bi folding door with smaller door & window on ground floor rear elevation

    365 Knightsfield, Welwyn Garden City, AL8 7NB

    Received 15 Jan 2015
  20. Decided - Granted6/2023/2362/LAWP

    Certificate of lawfulness for a loft conversion with rear dormer and installation of window to side elevation and rooflights to front

    101 Wellfield Road Hatfield AL10 0BY

    Received 23 Nov 2023
  21. Appeal Decided - DismissedN6/2013/1456/FP

    Erection of single storey side extension

    22 Blakemere Road, Welwyn Garden City, AL8 7PJ

    Received 9 Jul 2013
  22. Decided - GrantedS6/2009/0288/DS

    DISCHARGE OF CONDITION 1(EXPIRATION), 2 (DRAWINGS), 3 (PARKING/COACHES), 4 (TIME OF PARKING), 5 (MATERIALS) AND 7 (HIGHWAY WORKS), 8 (CONSTRUCTION VEHICLES), 9 (WHEEL CLEANING), 10 (GATES), 11 (SIGNAGE), 12 (TREES), 13 (LANDSCAPING), 14 (SEEDING), 15 (LIGHTING), 16 (CHALK MINING), 17 (ACOUSTICS), 18 (PARKING) & 19 (SIGNAGE) OF PLANNING APPLICATION S6/2008/690/FP

    St Audreys Retirement Home Car Park 15 Church Street Hatfield AL9 5AR

    Received 12 Feb 2009
  23. Decided - Granted6/2021/1732/TPO

    Fell 1 x Leyland Cypress tree

    53 Mardley Hill Welwyn AL6 0TT

    Received 2 Jun 2021
  24. Decided - Granted6/2025/2177/EMT

    1 x Portugal laurel by 12 inches (30cm), reduce width over garden back to near the sleeper edge, reduce left hand side back beyond cat cage, trim right hand side and neighbours side. 1 x Cherry tree to fell.

    159 Parkway Welwyn Garden City AL8 6JA

    Received 13 Oct 2025

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