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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
33,367Searchable applications
313Recorded as pending
87%Approval rate · 27,932 approved or refused records
3,651Refused applications

24,281 approved · 3,651 refused · 1,745 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 21 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2020/3440/HOUSE

    Erection of a front porch and single storey rear extension following demolition of conservatory.

    89 Deerswood Avenue Hatfield AL10 8RZ

    Received 23 Dec 2020
  2. Decided - Refused6/2021/1973/FULL

    Erection of replacement residential dwelling following the demolition of existing

    Manor Cottage Vineyards Road Northaw Potters Bar EN6 4PQ

    Received 29 Jun 2021
  3. Decided - GrantedW6/2013/1699/TE

    To crown lift 2 conifer trees to 2.5m in height, crown reduce by 30% and to remove a root to the boundary line from the southern conifer tree.

    16 Bedwell Close, Welwyn Garden City, AL7 3XH

    Received 31 Jul 2013
  4. Decided6/2018/2475/TPO

    Reduce 2x Cherry Tree (G1) by 20% and 1x Mixed Species (G2) reduce height by 2m

    26 Rooks Hill Welwyn Garden City AL8 6ET

    Received 26 Sept 2018
  5. Decided - Granted6/2022/1463/HOUSE

    Part porch infill extension and garage conversion and proposed single storey rear extension

    37 Digswell Road Welwyn Garden City Hertfordshire AL8 7PB

    Received 23 Jun 2022
  6. Decided - GrantedW6/2013/1248/TE

    Fell two cherries and 3 leyland cypress trees within rear garden

    11 Mandeville Rise, WELWYN GARDEN CITY, AL8 7JT

    Received 4 Jun 2013
  7. Decided - Granted6/2023/0807/FULL

    Erection of a dwelling (resubmission of 6/2022/2276/FULL)

    6 Stanborough Cottages Great North Road Welwyn Garden City AL8 7TE

    Received 14 Apr 2023
  8. Decided - WithdrawnS6/2013/0666/LUP

    Certificate of lawfulness for proposed loft conversion, hip to gable and rear dormer window

    6 Hawkshead Lane, North Mymms, HATFIELD, AL9 7TB

    Received 18 Mar 2013
  9. Decided - Granted6/2020/0788/HOUSE

    Erection of single storey rear extension and loft conversion with rear dormer with two rooflights in front roofslope

    12 Sparrowhawk Place Hatfield AL10 9UR

    Received 26 Mar 2020
  10. Decided - Granted6/2025/1500/HOUSE

    Erection of a single storey front, side and rear extensions, garage conversion, following demolition of the conservatory, part first floor side and rear extension, removal of chimney and alteration to rear window opening

    7 Selwyn Drive Hatfield AL10 9NH

    Received 9 Jul 2025
  11. Decided - GrantedW6/2015/0972/EM

    Erection of garden shed

    5 Heather Road, Welwyn Garden City, AL8 6XX

    Received 8 May 2015
  12. Decided - GrantedN6/2009/2481/TE

    REMOVAL OF OAK TREE LOCATED IN REAR GARDEN

    29 ELMWOOD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LD

    Received 23 Nov 2009
  13. Decided - GrantedN6/2014/1419/DS

    Approaval of details reserved by condition 3 (materials) of planning permission N6/2013/1460/LB

    15 Beehive Green, Welwyn Garden City, AL7 4BE

    Received 24 Jun 2014
  14. Decided - Granted6/2015/2357/PN8

    Erection of single storey rear extension

    8 Hill Ley Hatfield AL10 8LX

    Received 20 Nov 2015
  15. Decided - Granted6/2018/2029/EM

    Installation of 12 x rear solar panels

    63 Howicks Green Welwyn Garden City AL7 4RJ

    Received 2 Aug 2018
  16. Decided6/2024/0398/TC

    Removal of T1 Ash to ground level tree is excessively growing over boundary, poor form and early signs of Ash Die Back Removal of T2 Cherry to ground level, tree is excessively leaning over garden with poor form, now pushing on fence

    19 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 29 Feb 2024
  17. Decided - Granted6/2016/2523/HOUSE

    Erection of a rear conservatory

    5 Hammond Close Welwyn AL6 9FH

    Received 25 Nov 2016
  18. Decided - GrantedW6/2013/2480/TE

    Fell 11 Conifer trees and one Sycamore tree in no 27 and fell 8 Conifer trees in no 25

    Land at, 27 & 25 Attimore Road, Welwyn Garden City, AL8 6LQ

    Received 26 Nov 2013
  19. Decided - Refused6/2023/1165/HOUSE

    Installation of new front boundary wall, railings and gates

    7 Great North Road Brookmans Park AL9 6LB

    Received 2 Jun 2023
  20. Decided - Refused6/2023/0530/LAWP

    Certificate of lawfulness for the construction of Class E type buildings

    6 Cromer Hyde Lane Lemsford Welwyn Garden City AL8 7XE

    Received 8 Mar 2023
  21. Decided - GrantedN6/2009/2360/DS

    DISCHARGE OF CONDITION 9 (ARCHAELOGICAL REPORT) FROM PLANNING PERMISSION N6/2008/1974/FP

    Pump House Orchard Road Welwyn AL6 9EX

    Received 23 Oct 2009
  22. Decided - Granted6/2021/1806/HOUSE

    Erection of a part single part two storey rear extension with Juliet balcony and alterations to existing window openings and proposed window openings to dwellinghouse.

    58 Tolmers Road Cuffley Potters Bar EN6 4JY

    Received 10 Jun 2021
  23. Decided - Granted6/2021/1830/HOUSE

    Erection of a part two storey, part single storey rear extension

    142 Knightsfield Welwyn Garden City AL8 7HD

    Received 14 Jun 2021
  24. Decided - GrantedN6/2014/1172/FP

    Erection of single storey rear extension

    226 Handside Lane, Welwyn Garden City, AL8 6TD

    Received 23 May 2014

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

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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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