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
40,120Searchable applications
300Recorded as pending
86%Approval rate · 33,652 approved or refused records
4,801Refused applications

28,851 approved · 4,801 refused · 2,206 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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. Decided6/2022/2481/TC

    Tree is a curly willow. Application for complete removal of this tree.

    17 Attimore Close Welwyn Garden City AL8 6LN

    Received 28 Oct 2022
  2. Decided - RefusedS6/2006/0389/FP

    ERECTION OF PART SINGLE STOREY, PART TWO STOREY REAR EXTENSION

    8 Bradmore Way Brookmans Park Hatfield AL9 7QX

    Received 27 Mar 2006
  3. Decided - Granted6/2017/1036/LAWP

    Installation of new front door, rear bi-fold doors, alteration of existing rear door to new kitchen window and internal alterations to layout including relocation of kitchen

    6 Sewells Welwyn Garden City AL8 7AQ

    Received 15 May 2017
  4. Decided - GrantedS6/2008/0925/FP

    ERECTION OF FRONT PORCH

    54 BULLENS GREEN LANE, ST ALBANS, HERTFORDSHIRE, AL4 0QS

    Received 14 Jun 2008
  5. Decided - Granted6/2024/1972/EM

    New Front door and new bedroom window (the window is a like for like replacement)

    7 Wren Wood Welwyn Garden City AL7 1QF

    Received 14 Oct 2024
  6. Decided - Granted6/2015/1867/COND

    Approval of details reserved by condition 12 (ecological appraisal) on planning permission N6/2011/0359/OP

    Former Queen Elizabeth II Hospital, Howlands, Welwyn Garden City, AL7 4HQ

    Received 4 Sept 2015
  7. Decided - GrantedN6/2008/0720/DS

    DISCHARGE OF CONDITION 2 FROM DECISION NOTICE N6/2006/1591/FP ( MATERIAL SAMPLES)

    84 Attimore Road, Welwyn Garden City, AL8 6LP

    Received 23 Apr 2008
  8. Decided - GrantedN6/2013/2628/LB

    Conversion and extension of existing barn to form a new dwelling (Internal and external alterations to previously approved application N6/2006/336/LB)

    Badger Cottage, 6 Whitehill, Ayot St Peter, Welwyn, AL6 9AF

    Received 20 Nov 2013
  9. Decided - Granted6/2021/1063/COND

    Submission of details pursuant to condition number 2a (Remediation Verification) on planning permission 6/2020/0712/VAR

    Ratcliff Tail Lifts Ltd Bessemer Road Welwyn Garden City AL7 1ET

    Received 31 Mar 2021
  10. Appeal Decided - Dismissed6/2019/3149/HOUSE

    Erection of garage, retaining wall with steps and formation of driveway

    46 Bluebridge Road Brookmans Park Hatfield AL9 7SA

    Received 13 Dec 2019
  11. Decided - GrantedN6/2013/2159/TP

    Reduce Oak T1 by 2-3m all over and reduce Birch by T3 by 2-3m all over, covered by TPO 24 Area 3

    6 Mardley Heights Welwyn AL6 0TX

    Received 8 Oct 2013
  12. Decided - Granted6/2019/1785/EM

    Erection of a single storey rear extension

    23 Golden Dell Welwyn Garden City AL7 4EE

    Received 22 Jul 2019
  13. Decided6/2025/1720/TC

    T1 Apple Tree, reduction of crown by 30%

    1 The Old Drive Welwyn Garden City AL8 6TB

    Received 12 Aug 2025
  14. Decided6/2026/0131/TC

    Rear T1 - 1 x Cherry to reduce by approximately 2m height and 1.5m width T2 - 1 x Sycamore to reduce by 2.5m height and 1.5m width H1 - Group of Leyland cypress to reduce by approximately 3m height, trim side back over garden hard T3 - 1 x Hornbeam to cut the lateral branches back towards the property (right side) by 1.5 metres. Reduce left side by 1.5m to balance. Reduce lateral branches over patio area by 1.5m T1, T2 & H1 are dominating the rear boundary. T1 is rubbing on outbuilding T2 & H1 are blocking lights to multiple properties T3 - Extremely close to the house and over patio allowing bird poo & debris to continually drop on tables, chairs and patio space

    2 Honeycroft Welwyn Garden City AL8 6HR

    Received 27 Jan 2026
  15. Appeal Decided - AllowedN6/2008/0505/AD

    INSTALLATION OF NON-ILLUMINATED FASCIA SIGNS AND INTERNALLY ILLUMINATED PROJECTING SIGNS

    21 STONEHILLS, WELWYN GARDEN CITY, HERTS, AL8 6NA

    Received 3 Mar 2008
  16. Decided - Granted6/2019/1948/COND

    Submission of details pursuant to condition 5a (submission of handrail and balustrade materials) on application 6/2018/3085/VAR

    40 Former Roche Product Factory Broadwater Road Welwyn Garden City AL7 3AY

    Received 6 Aug 2019
  17. Decided - Refused6/2020/2289/LB

    Erection of replacement doors and windows, blocking previous doors and windows, internal alterations, relaying driveway, terrace and steps. Erection of 1800mm high timber fence to rear of garden and removal of 2 trees in rear garden

    26 Pentley Park Welwyn Garden City AL8 7SB

    Received 8 Sept 2020
  18. Decided - GrantedN6/2006/0593/FP

    TWO STOREY SIDE EXTENSION AND EXTERNAL ALTERATIONS

    46 Carleton Rise Welwyn AL6 9RG

    Received 8 May 2006
  19. Decided6/2020/3213/TC

    T1 Yew tree - fell to ground level and allow to reshoot to fill in hedge. T2 Maple tree - two stems of the 4 need to be felled to ground level. T3 spruce tree - fell to ground level to allow more light into flower beds.

    51 Bridge Road Welwyn Garden City AL8 6UH

    Received 1 Dec 2020
  20. Decided - Refused6/2019/2925/HOUSE

    Erection of part single storey rear extension

    9 Redwoods Welwyn Garden City AL8 7NR

    Received 20 Nov 2019
  21. Decided - Granted6/2019/0921/HOUSE

    Demolition of existing attached garage and erection of replacement attached garage

    10 Willow Grove Welwyn Garden City AL8 7NA

    Received 16 Apr 2019
  22. Decided - Withdrawn6/2022/2718/FULL

    Replacement of all timber windows with PVC-U double-glazed windows

    82-102, 83-103,104-124,105-125 Knightsfield Welwyn Garden City AL8 7HB

    Received 30 Nov 2022
  23. Decided - Granted6/2026/1028/FULL

    Alterations to external elevations including painting of existing cladding & shopfronts, installation of new signage and alterations to vehicle parking layout

    Stellantis & You Hatfield 1 Great North Road Hatfield AL9 5JA

    Received 11 Jun 2026
  24. Appeal Decided - Dismissed6/2019/0324/FULL

    Change of use and conversion of existing single storey farm building to form 2 x dwellings, new vehicular access and crossover including alterations to openings

    Lower Farm 2 Bell Lane Brookmans Park Hatfield AL9 7AY

    Received 12 Feb 2019

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

View all applications

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.

  • 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.

  • 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.

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