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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
21,326Searchable applications
298Recorded as pending
86%Approval rate · 17,231 approved or refused records
2,437Refused applications

14,794 approved · 2,437 refused · 1,094 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/1141/EM

    Install one solar thermal panel on south - south east facing rear side roof. Internally install a two coil solar hot water cylinder, pump and solar hot water controls

    55 Valley Road Welwyn Garden City AL8 7DH

    Received 18 May 2022
  2. Decided - Granted6/2025/1667/HOUSE

    Proposed loft conversion including extension to the existing roof, rear Juliet balcony and rooflights and front rooflights

    128 Moffats Lane Brookmans Park AL9 7RW

    Received 4 Aug 2025
  3. Decided - Granted6/2019/2576/EM

    Installation of front door

    13 The Croft Welwyn Garden City AL7 4JY

    Received 14 Oct 2019
  4. Decided - Granted6/2022/2198/COND

    Submission of details pursuant to condition 1 (materials) on planning permission 6/2020/1001/HOUSE

    7 Stockbreach Close Hatfield AL10 0AZ

    Received 22 Sept 2022
  5. Decided - Granted6/2023/1467/VAR

    Variation of condition 6 (retention of chimney) on planning permission 6/2022/2072/HOUSE

    21 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 14 Jul 2023
  6. Decided - Granted6/2021/0634/HOUSE

    Single storey rear extension, rear dormer extension and oriel window. Alterations to roof to facilitate 4 new gables and revisions to existing dormer windows.

    28 School Lane Welwyn AL6 9PH

    Received 26 Feb 2021
  7. Decided - Granted6/2018/2816/HOUSE

    Formation of pitched roof and front window to form garage conversion to habitable space, 2 front dormer windows and erection of single storey rear extension.

    Chantrees 24 Turpins Chase Welwyn AL6 0RA

    Received 1 Nov 2018
  8. Decided - Granted6/2024/2034/HOUSE

    Erection of an outbuilding in rear garden

    1 Porteous Court Welwyn AL6 9GA

    Received 21 Oct 2024
  9. Decided - Granted6/2022/2823/HOUSE

    Retention of alteration to external materials of window frames and roof tiles and proposed alterations to external materials of external cladding with alterations to fenestration

    1 Lysley Place Brookmans Park AL9 6NZ

    Received 13 Dec 2022
  10. Decided6/2017/0265/RW

    Footway to be stopped up and that in substitution an an alternative highway be created over the land at Scholars Walk

    1 Scholars Walk Hatfield AL10 8ST

    Received 9 Feb 2017
  11. Decided - Granted6/2019/0054/EM

    Erection of replacement boundary fence measuring 6ft

    12 Sherrardspark Road Welwyn Garden City AL8 7JP

    Received 11 Jan 2019
  12. Decided - Withdrawn6/2017/2479/EM

    Erection of single storey rear extension following demolition of existing rear conservatory

    13 Little Thistle Welwyn Garden City AL7 4AE

    Received 26 Oct 2017
  13. Decided - Granted6/2021/2564/EMT

    Formative prune 1 x Apple tree (T1), fell 1 x Buddleia (T2), fell 1 x Conifer hedge (G1)

    80 Valley Road Welwyn Garden City AL8 7DP

    Received 2 Sept 2021
  14. Decided - Granted6/2023/1863/EMT

    T5 Lime - lateral crown reduction of growth by 2.5m on overhanging branches to 6 Handside Green

    7 Handside Green Welwyn Garden City, AL8 6SQ

    Received 7 Sept 2023
  15. Decided - Refused6/2020/1968/LAWP

    Certificate of lawfulness for the demolition of existing car port, attached outbuildings and sun room to facilitate the erection of a single storey side and two storey rear extension, to include rear facing Juliette balcony and erection of an additional dormer to the west roofslope and the replacement of the existing dormers with one large dormer on the east roofslope.

    99 The Ridgeway Cuffley Potters Bar EN6 4BG

    Received 7 Aug 2020
  16. Decided - Granted6/2020/0436/EM

    Erection of a single storey rear and two storey side extension

    25 Pentley Park Welwyn Garden City AL8 7RT

    Received 17 Feb 2020
  17. Decided - Granted6/2022/1242/EM

    Tidy front tarmac hardstanding and replace the grassed area with substantial planting/flower bed. Remove sharp lines from hardstanding and replace them with a curve and re-tarmac. Grassed Area - Remove step down from hardstanding to grassed area. Replace thirsty grassed area with permeable surface - substantial flower bed bordered with gravel and sleepers. Replace doorstep with like for like.

    371 Knightsfield Welwyn Garden City AL8 7NB

    Received 26 May 2022
  18. Decided - Granted6/2024/0679/COND

    Submission of details pursuant to condition number 1 (Construction Method Statement), condition number 2 (Materials), condition number 3 (Hard and Soft Landscaping), condition number 4 (Energy Statement), condition number 5 (Details of EV Charging Parking facilities) and condition number 6 (Bat, Bird and Insect Nesting) on planning permission 6/2021/2754/FULL

    22a Church Lane Northaw Potters Bar EN6 4NX

    Received 10 Apr 2024
  19. Decided - Granted6/2019/3208/COND

    Submission of details pursuant to condition 5 (construction management plan) and 23 (remediation groundwater monitoring) on planning permission N6/2015/0294/PP

    Former Shredded Wheat Site Welwyn Garden City AL8 6UN

    Received 20 Dec 2019
  20. Decided - Granted6/2019/1862/FULL

    Erection of 2x dwellings following the demolition of existing dwelling

    10 Woodland Way Welwyn AL6 0RZ

    Received 30 Jul 2019
  21. Decided - Granted6/2025/2478/ADV

    Installation of 'Coming Soon' sign, 2 entrance signs, 4 visitor parking signs, Section 106 information sign, 5 gallows signs, 6 flagpole and hoarding panels, marketing suite fascia and associated branding

    Land north of The Meadway Cuffley Potters Bar

    Received 26 Nov 2025
  22. Decided - Granted6/2018/0647/VAR

    Variation of condition 2 (drawings) and 3 (materials) on planning permission N6/2014/0108/S73A

    The Orchard House 53 Brockswood Lane Welwyn Garden City AL8 7BU

    Received 7 Mar 2018
  23. Decided - Granted6/2024/0771/HOUSE

    New electronic sliding access gate to replace existing gates

    19 Lemsford Village Lemsford Welwyn Garden City AL8 7TN

    Received 24 Apr 2024
  24. Decided - Granted6/2026/0862/HOUSE

    Erection of single storey rear extension

    3 Brookmans Avenue Brookmans Park AL9 7QH

    Received 15 May 2026

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.

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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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