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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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 9 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/0649/HOUSE

    Erection of outbuilding in rear

    8 Archers Ride Welwyn Garden City AL7 4PS

    Received 1 Mar 2021
  2. Decided - GrantedS6/2015/0572/LB

    Replacement of rooflights and doors to rear elevation

    41 The Ryde, Hatfield, AL9 5DQ

    Received 17 Mar 2015
  3. Decided - GrantedS6/2015/0711/NM

    Non-material amendment following the apporival of planning permission S6/2014/1330/FP - replace new and existing roof with new roof tiles

    47A Northaw Road West, Northaw, Potters Bar, EN6 4NP

    Received 31 Mar 2015
  4. Decided - GrantedS6/2014/1840/LUP

    Certificate of lawfulness for proposed erection of single storey rear extension following demolition of existing conservatory

    34 The Meadway, Cuffley, Potters Bar, EN6 4ES

    Received 7 Jul 2014
  5. Decided - Granted6/2025/1057/LAWP

    Certificate of lawfulness for a hip to gable roof extension, rear dormer and installation of rooflights into the front roofslope

    37 Selwyn Crescent Hatfield AL10 9NL

    Received 4 Jun 2025
  6. Decided - GrantedN6/2014/1007/DS

    Approval of details reserved by condition 5 (materials) of N6/2013/0821/MA

    Former Clock Hotel Church Street Welwyn AL6 9LN

    Received 9 May 2014
  7. Decided - GrantedW6/2014/1633/EM

    Erection of single storey rear extension

    62 Woodhall Lane, Welwyn Garden City, AL7 3TF

    Received 21 Jul 2014
  8. Decided - GrantedW6/2004/0399/EM

    ERECTION OF A REAR EXTENSION

    74 The Vineyard, Welwyn Garden City, AL8 7PU

    Received 17 Mar 2004
  9. Decided - GrantedW6/2013/1223/EM

    Replace existing garden shed and tool shed with new summer room

    59 Lemsford Lane, Welwyn Garden City, AL8 6YN

    Received 12 Jun 2013
  10. Decided - Refused6/2022/0302/EM

    Retention of hardstanding at front

    7 Templewood Welwyn Garden City AL8 7HT

    Received 9 Feb 2022
  11. Decided - GrantedW6/2012/2653/EM

    Loft conversion with dormer window and insertion of window on front elevation of property

    35 Sherrardspark Road, WELWYN GARDEN CITY, AL8 7JY

    Received 19 Dec 2012
  12. Decided - Granted6/2018/0637/EM

    Erection of first floor rear extension including installation of windows to existing rear and side elevations

    7 Aldock Welwyn Garden City AL7 4QF

    Received 5 Mar 2018
  13. Decided - Granted6/2026/0079/EM

    Erect low level open wooden fences on the side boundaries of the frontage of the property

    80 Thistle Grove, Welwyn Garden City, AL7 4AQ

    Received 19 Jan 2026
  14. Decided - Granted6/2020/2712/HOUSE

    First floor rear extension, rear dormer window and rooflights to facilitate loft conversion and replacement chimney and elevational alterations.

    46 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 19 Oct 2020
  15. Decided - GrantedS6/2013/1517/HH

    Erection of single storey rear extension

    3 Suttons Farm Bungalows, Woodcock Hill, Ayot St Lawrence, St Albans, AL4 9HJ

    Received 23 Jul 2013
  16. Decided - Refused6/2023/1516/HOUSE

    Erection of single storey rear extension, pitched roof to existing front bay window, new front dormer window and formation of side dormer extension and alterations to the fenestration

    12 Bradmore Way Brookmans Park Hatfield AL9 7QX

    Received 20 Jul 2023
  17. Decided - Granted6/2026/0264/HOUSE

    Erection of single storey side extension

    Windmill House Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 16 Feb 2026
  18. Decided - Granted6/2023/2486/LAWP

    Certificate of lawfulness for loft conversion with two dormer windows

    5 Coopers Road Little Heath Potters Bar Hertfordshire EN6 1JG

    Received 13 Dec 2023
  19. Decided - RefusedN6/2005/1486/FP

    ERECTION OF SINGLE STOREY EXTENSION WITH GLASS LINK TO EXISTING BUNGALOW

    5 Pennyfathers Lane Welwyn AL6 0EN

    Received 1 Dec 2005
  20. Under Consideration6/2026/1291/EMT

    Remove 1 x crab apple tree. Remove 1 x rotten tree. Remove 1 x tree. Remove 1 x holly bush.

    15 Fallowfield, Welwyn Garden City, AL7 1EE

    Received 22 Jul 2026
  21. Decided - Withdrawn6/2024/1304/EM

    Erection of a single storey rear extension to facilitate granny annexe and double storey side extension with new driveway

    57 Crossway, Welwyn Garden City, AL8 7ED

    Received 9 Jul 2024
  22. Decided - GrantedS6/2012/2408/LB

    Erection of rear conservatory

    57 The Ryde, HATFIELD, AL9 5DQ

    Received 19 Nov 2012
  23. Decided - Withdrawn6/2018/1888/COND

    Submission of details pursuant to conditions 1 (brickwork samples) 2 (steel post details) & 3 (construction methods/materials) on planning permission 6/2017/2406/LB

    Ayot Cottage Hill Farm Lane Welwyn AL6 9BT

    Received 18 Jul 2018
  24. Decided - Granted6/2016/1885/HOUSE

    Erection of single storey, part two storey rear extension and alterations to openings

    214 Knightsfield, Welwyn Garden City, AL8 7RQ

    Received 13 Sept 2016

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

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

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    Planning application documents: what to read first

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  • 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.

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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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