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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
24,386Searchable applications
313Recorded as pending
86%Approval rate · 19,983 approved or refused records
2,766Refused applications

17,217 approved · 2,766 refused · 1,271 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/0351/COND

    Approval of details reserved by condition 10 (car parking) on planning permission S6/2011/0678/S73B

    2 Georges Wood Road, Brookmans Park, Hatfield, AL9 7BZ

    Received 1 Mar 2016
  2. Decided - Granted6/2018/3279/HOUSE

    Erection of single storey rear, first floor side extension and formation of driveway

    34 Longcroft Lane Welwyn Garden City AL8 6EA

    Received 27 Dec 2018
  3. Decided - Granted6/2019/3008/HOUSE

    Erection of first floor side extension

    66 Digswell Park Road Welwyn Garden City AL8 7NS

    Received 29 Nov 2019
  4. Decided - Withdrawn6/2017/2014/EM

    Reduce 8 Cypress trees to ground level

    12 Homestead Lane Welwyn Garden City AL7 4LU

    Received 8 Sept 2017
  5. Decided - Granted6/2018/1014/FULL

    Installation of new shop front (glass to floor) and fill in the side windows

    45 Cole Green Lane Welwyn Garden City AL7 3PS

    Received 17 Apr 2018
  6. Decided - Refused6/2018/1146/PN8

    Prior approval for the erection of a single storey rear extension with flat roof and parapet walls measuring 7.9m in depth, 2.95m in height, 2.95m to the eaves

    52 Reynards Road Welwyn AL6 9TP

    Received 27 Apr 2018
  7. Decided - Granted6/2025/2511/COND

    Submission of details pursuant to Condition 37 (Landscape Phasing) on planning permission 6/2022/1375/MAJ

    Land at Hollybush Lane to the east of A1000 and north of Ascots Lane Welwyn Garden City AL7 4EG

    Received 3 Dec 2025
  8. Decided - Refused6/2020/1511/TPO

    Removal of Oak tree (labelled T4 in arboricultural report and T6 on tree sketch) and treating its stump to prevent removal (TPO)

    21 Kingsmead Cuffley Potters Bar EN6 4AN

    Received 26 Jun 2020
  9. Decided6/2021/1352/TC

    Fell 2 x Cherry trees covered by conservation area

    3 The Quadrangle Welwyn Garden City AL8 6SG

    Received 27 Apr 2021
  10. Decided - Granted6/2025/2116/HOUSE

    Erection of ground floor rear and side extension with 3no. flat roof skylights

    9 Juniper Gardens Welwyn AL6 0XH

    Received 3 Oct 2025
  11. Decided - Granted6/2021/2323/COND

    Submission of details pursuant to condition numbers 1 (construction management plan) and 2 (full site survey) on planning permission 6/2021/0559/VAR

    63-65 New Road Digswell Welwyn AL6 0AL

    Received 5 Aug 2021
  12. Decided - Withdrawn6/2023/1442/PN27

    Prior approval for the construction of an additional storey to facilitate the enlargement of the dwellinghouse to a maximum of 9.084 metres in height

    Freny Cottage 41 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 11 Jul 2023
  13. Decided - Granted6/2022/1439/TPO

    TPO 7 - Lime - Cut suckers, thin crown by 20% , remove deadwood, and lift crown to 3m TPO 8 - Lime - Cut suckers, thin crown by 20% , remove deadwood, and lift crown to 3m TPO 9 - Lime - Remove deadwood & suckers TPO 10 - Lime - Reduce crown by 50% all round

    Hatfield Community Free School Briars Lane Hatfield AL10 8ES

    Received 21 Jun 2022
  14. Decided - Withdrawn6/2021/1019/HOUSE

    Two new dormers on the roof and external elevational treatments

    28 Great North Road Welwyn Garden City AL8 7TJ

    Received 26 Mar 2021
  15. Decided - Granted6/2017/1740/TPO

    Prune T1-T4 reduce in height by 3-4m, T5-7 reduce in height by 3-4m, T8 Leylandii reduce by 50% covered by TPO 230 A1.

    37A Turpins Ride Welwyn AL6 0QX

    Received 7 Aug 2017
  16. Decided6/2024/0333/TC

    Removal of lower limb to pine tree which has overgrown over the gates and front hedge

    1 Vineyards Road Northaw Potters Bar EN6 4NZ

    Received 20 Feb 2024
  17. Decided6/2024/1279/TC

    G1 - Prunus x 4 - Cut back 4m to fence line

    60 Crossway Welwyn Garden City AL8

    Received 8 Jul 2024
  18. Decided - Withdrawn6/2020/1500/COND

    Submission of details pursuant to condition 9 (447/19/1000 Rev E completed to the Highway Authority's satisfaction) and condition 10 (new vehicular access) on listed building consent 6/2019/1172/FULL

    Unit 1 Swallow End Welwyn Garden City AL7 1JA

    Received 25 Jun 2020
  19. Decided - Granted6/2020/1350/EMT

    Reduce 1 x Oak Tree [T1] by 30% Reduce 1 x Silver Birch Tree [T2] crown by 30% Reduce 1 x Maple Tree [T3] by 1 metre Reduce 1 x Sycamore Tree [T4] crown by 30% Reduce 1 x Lime Tree [T5] crown by 30% Thin 1 x Plum Tree [T6] by 15%

    41 Turmore Dale Welwyn Garden City Al8 6HT

    Received 12 Jun 2020
  20. Decided - Granted6/2017/1334/EM

    Installation of front vehicle hardstanding

    3 Downfields Welwyn Garden City AL8 6XR

    Received 19 Jun 2017
  21. Decided - Granted6/2024/0648/HOUSE

    Erection of a single storey rear extension

    Owls Rest Woodside Lane Hatfield AL9 6DF

    Received 5 Apr 2024
  22. Decided - Granted6/2020/2921/EM

    Demolition of existing conservatory to facilitate erection of a single storey side extension and alterations to fenestration, including insertion of 2 x roof lights to existing garage roof

    1 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 9 Nov 2020
  23. Decided - Granted6/2017/0410/HOUSE

    Erection of two storey rear and part side extension.

    5 The Crescent Welwyn AL6 9JG

    Received 2 Mar 2017
  24. Decided - Granted6/2023/0449/COND

    Submission of details pursuant to condition 5 (detailed surface water drainage scheme) on planning permission 6/2021/1312/FULL

    16 School Lane Welwyn AL6 9PH

    Received 27 Feb 2023

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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