England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
30,090Searchable applications
307Recorded as pending
87%Approval rate · 25,012 approved or refused records
3,312Refused applications

21,700 approved · 3,312 refused · 1,600 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 18 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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2021/1112/EM

    Alterations to windows and doors to the front, side and rear elevations

    68 Attimore Road Welwyn Garden City AL8 6LP

    Received 6 Apr 2021
  2. Decided - Granted6/2018/2755/EM

    Retention of rear extension to garage and rear ground floor Infill

    34 Parkway Welwyn Garden City AL8 6HQ

    Received 25 Oct 2018
  3. Decided - Granted6/2021/1540/EMT

    1 x Norway Maple - reduce to approximately 2m above previous pruning points. Reduce width by 1.5m. Reduce width over neighbouring side by 2m.

    49 Elmwood Welwyn Garden City AL8 6LD

    Received 13 May 2021
  4. Decided - Refused6/2021/0557/LB

    Installation of non illuminated 1x fascia sign, 1x post mounted sign, 2x painted mural signs, 1x vinyl wall mounted sign, 2x wall mounted signs and 1x lockable poster case and three gold lanterns and two upward facing LED floodlights to facilitate signs

    Eight Bells 2 Park Street Hatfield AL9 5AX

    Received 22 Feb 2021
  5. Decided - Refused6/2021/0071/LB

    Repair, refurbishment and conversion of Northaw House to form 11 apartments (including refurbishment of existing single caretaker’s flat) and underground parking area, the Ballroom Wing to form 2 dwellings, the Stable Block to form 1 dwelling, refurbishment of existing dwelling at Oak Cottage, construction of 2 new Gate Lodge dwellings, 4 new dwellings on the East Drive, 3 new dwellings within the Walled Garden, 7 new dwellings within the Settlement Area, refurbishment of the Walled Garden, refurbishment of access routes and reinstatement of old route, provision of hard and soft landscaping, car parking and supporting infrastructure.

    Northaw House Coopers Lane Northaw Potters Bar EN6 4NG

    Received 7 Jan 2021
  6. Decided - Granted6/2019/0437/LAWP

    Certificate of lawfulness for conversion of double garage to ancillary habitable accommodation

    5 Copper Beeches Welwyn AL6 0SS

    Received 26 Feb 2019
  7. Decided - Granted6/2025/2567/HOUSE

    Erection of a single storey rear extension with flat roof and lantern rooflight, alterations to existing windows and doors and alterations to landscaping to the front and rear of the property to improve accessibility

    8 Rosecroft Lane Welwyn AL6 0UB

    Received 15 Dec 2025
  8. Decided - Granted6/2020/0302/COND

    Submission details pursuant to condition 3 (materials) and 8 (rainwater goods) on listed building consent 6/2019/2272/VAR

    Bush Hall Hotel Chequers Hatfield AL9 5NT

    Received 3 Feb 2020
  9. Decided - Granted6/2020/0418/ADV

    Replacement of external ATM header signage

    33 Town Centre Hatfield AL10 0JX

    Received 14 Feb 2020
  10. Decided - Refused6/2019/3148/HOUSE

    Erection of a part single, part two storey side and rear extension, creation of a basement and the construction of a front dormer and the enlargement of an existing rear dormer

    16 Hillside Way Welwyn AL6 0TY

    Received 12 Dec 2019
  11. Decided - Withdrawn6/2018/0037/EM

    Retrospective consent for the erection of a five bedroom house with associated landscaping and access Application to be withdrawn

    51 Brockswood Lane Welwyn Garden City AL8 7BU ( error on address should be 53.)

    Received 5 Jan 2018
  12. Decided - Refused6/2021/0402/FULL

    Change of use from single dwelling (C3) to HMO (C4)

    85 Drovers Way Hatfield AL10 0QB

    Received 9 Feb 2021
  13. Decided - Granted6/2015/2446/EM

    Crown reduce by 20% one Rowan., crown reduce apple by 30% and reduce holly by 50%. fell 1cherry, 1 apple tree and 2 conifers

    3 Walden Place, Welwyn Garden City, AL8 7PG

    Received 24 Nov 2015
  14. Decided - GrantedS6/2014/0338/AD

    Installation of 8 Click and collect signs

    Tesco Stores Ltd, Great North Road, Hatfield, AL9 5JY

    Received 13 Feb 2014
  15. Decided - Withdrawn6/2025/0547/FULL

    Reconfiguration of the site to include the erection of an extension to the existing sales building, demolition of existing bungalow, 2no. new proposed jet washers, 1no. new floodlight, 1no. new plantroom, alterations to internal kerbs and the creation of a new fenced bin store

    Bell Bar Service Station Great North Road Hatfield AL9 6DA

    Received 21 Mar 2025
  16. Decided6/2018/2059/TPO

    Fell 1 x Silver Birch tree (T1) - covered by conservation area

    26 Dellcott Close Welwyn Garden City AL8 7BD

    Received 7 Aug 2018
  17. Decided - GrantedN6/2013/1820/TC

    Fell diseased Horse Chestnut tree

    59 Valley Road, WELWYN GARDEN CITY, AL8 7DH

    Received 30 Aug 2013
  18. Decided - Granted6/2015/1984/FULL

    Erection of 4no apartments consisting of 2no one bed apartments and 2no two bed apartments and associated parking following demolition of existing workshop.

    2 New Road Welwyn Garden City AL8 7TX

    Received 21 Sept 2015
  19. Decided - Granted6/2015/2323/EM

    Erection of summer house in back garden for business purposes

    19 Fallowfield, Welwyn Garden City, AL7 1EE

    Received 16 Nov 2015
  20. Decided - GrantedS6/2013/2283/AD

    Installation of 1x internally illuminated fascia sign

    Pizza Express, Unit 65, Hatfield Galleria Shopping Centre, Comet Way, Hatfield, AL10 0XY

    Received 25 Oct 2013
  21. Decided - GrantedN6/2015/1394/LAWP

    Erection of a single storey rear garden room

    2 Douglas Close Digswell Welwyn AL6 0DT

    Received 30 Jun 2015
  22. Decided - Granted6/2023/0468/EM

    Erection of two storey rear and first floor side extension, conversion of garage, front porch

    110 Guessens Road Welwyn Garden City AL8 6RS

    Received 1 Mar 2023
  23. Decided - Granted6/2015/2496/HOUSE

    Erection of two storey side extension with alterations to the front elevation, including the conversion of the garage into a habitable room

    14 Tolmers Road, Cuffley, Potters Bar, EN6 4LA

    Received 17 Dec 2015
  24. Decided - Granted6/2017/1060/EM

    Removal of two Hawthorn trees

    4 Mannicotts Welwyn Garden City AL8 7BW

    Received 15 May 2017

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

View all applications

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