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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
32,457Searchable applications
303Recorded as pending
87%Approval rate · 27,153 approved or refused records
3,551Refused applications

23,602 approved · 3,551 refused · 1,704 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 20 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/0259/HOUSE

    Erection of part single storey part two storey rear extension and alterations to front elevation

    57 Maryland Hatfield AL10 8DS

    Received 4 Feb 2022
  2. Decided - GrantedS6/2013/2688/FP

    Pitched roof to replace existing flat roof to utility room

    73 Calder Avenue, Brookmans Park, Hatfield, AL9 7AJ

    Received 24 Dec 2013
  3. Decided - Granted6/2016/0650/COND

    Approval of details reserved by condition 3 (materials) on planning permission N6/2015/0248/FP and Estate Management consent W6/2015/0249/EM

    181 Parkway, Welwyn Garden City, AL8 6JA

    Received 7 Apr 2016
  4. Decided - Granted6/2015/2195/EM

    Formation of vehicle hardstanding

    26 Marsden Green, Welwyn Garden City, AL8 6YA

    Received 22 Oct 2015
  5. Decided6/2019/2874/TC

    Fell 1 x Fir tree

    161 Parkway Welwyn Garden City AL8 6JA

    Received 14 Nov 2019
  6. Decided - GrantedS6/2015/1391/FULL

    Erection of 2no three bedroom dwellinghouses following demolition of existing dwellinghouse

    55 Moffats Lane, Brookmans Park, Hatfield, AL9 7RT

    Received 29 Jun 2015
  7. Decided - Withdrawn6/2016/2708/LAWP

    Certificate of lawfulness for a loft extension

    18 Dalewood Welwyn Garden City AL7 2JR

    Received 22 Dec 2016
  8. Decided - GrantedS6/2015/0622/LUP

    Certificate of lawfulness for proposed single storey rear extension

    23 Manor Road, Hatfield, AL10 9LJ

    Received 23 Mar 2015
  9. Decided - GrantedW6/2014/1956/EM

    Garage conversion to include installation of front and rear ground floor windows replacing garage door and rear window

    8 Heather Road, Welwyn Garden City, AL8 6XU

    Received 2 Sept 2014
  10. Decided - Granted6/2023/2340/EM

    Replace wooden potting shed, garden shed erection of wooden greenhouse, installation of hot tub and replace and resiting of fence

    30 Guessens Road Welwyn Garden City AL8 6RA

    Received 21 Nov 2023
  11. Decided6/2020/0167/TC

    Fell 1 x Holly tree covered by conservation area

    4 High Oaks Road Welwyn Garden City AL8 7BH

    Received 23 Jan 2020
  12. Decided - Granted6/2021/2759/COND

    Submission of details pursuant to condion 1 (construction management plan), 2 (delivery and services plan), and 4 (remediation strategy) on planning application 6/2020/2526/MAJ.

    Land West of Learning Resource Centre University Of Hertfordshire College Lane Hatfield AL10 9AB

    Received 23 Sept 2021
  13. Decided - Refused6/2022/1135/LAWP

    Certificate of lawfulness for the erection of a front porch

    76 Birchwood Avenue Hatfield AL10 0PS

    Received 17 May 2022
  14. Decided - Granted6/2016/1245/EM

    Replacement of hardstanding

    56 Handside Lane, Welwyn Garden City, AL8 6SJ

    Received 21 Jun 2016
  15. Decided - GrantedS6/2015/1289/FP

    Erection of two storey front, side and rear and roof extension

    25 Tolmers Avenue, Cuffley, Potters Bar, EN6 4QA

    Received 16 Jun 2015
  16. Decided - GrantedS6/2013/2416/S73B

    Variation of condition 2 (Approved plans) of planning permission S6/2013/1087/FP - Erection of triple garage in lieu of previously approved garage

    Land at Essendon Country Club, Bedwell Park, Essendon, Hatfield, AL9 6HN

    Received 19 Nov 2013
  17. Decided - Granted6/2023/1855/EMT

    T1 Sycamore tree - to reduce the height by about 50% creating a single flat top including lightly trimming over the front side and to reduce the back side in to start to form a box hedge. The tree overhangs neighbour's property.

    4 Reddings Welwyn Garden City AL8 7LA

    Received 6 Sept 2023
  18. Decided - Granted6/2023/0688/LAWP

    Certificate of lawfulness for the erection of a garden room

    85 Garden Avenue Hatfield Hertfordshire AL10 8LH

    Received 27 Mar 2023
  19. Decided - Granted6/2016/2422/FULL

    Erection of two new dwellings following demolition of existing bungalow

    8 Firway Welwyn AL6 0RD

    Received 11 Nov 2016
  20. Decided - Granted6/2026/0644/HOUSE

    Erection of single storey rear extension following demolition of conservatory, garage conversion with raising of roof and front extension, loft conversion with rooflights, alterations to fenestration and widening of existing driveway

    2 Handside Lane Welwyn Garden City AL8 6SF

    Received 13 Apr 2026
  21. Decided - Granted6/2026/1461/EM

    Removal of front hedge on boundary of property and to replace existing block paving, with new block paving with better drainage

    469 Howlands Welwyn Garden City AL7 4HP

    Received 19 Aug 2026
  22. Decided - Granted6/2022/1182/EMH

    Replacement of windows like for like

    10 Cole Green Lane Welwyn Garden City AL7 3PW

    Received 23 May 2022
  23. Appeal Decided - Dismissed6/2016/1024/HOUSE

    Erection of glass front porch

    Dimsdale House, Essendon Place, High Road, Essendon, Hatfield, AL9 6GZ

    Received 24 May 2016
  24. Decided - Granted6/2015/2239/EM

    Erection of single storey rear extension

    25 Herns Lane, Welwyn Garden City, AL7 2AG

    Received 21 Oct 2015

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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  • 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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