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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
21,109Searchable applications
298Recorded as pending
86%Approval rate · 17,045 approved or refused records
2,410Refused applications

14,635 approved · 2,410 refused · 1,082 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/2703/FULL

    Erection of 1 x 6-bedroom house following the demolition of existing portal framed storage buildings (B8)

    Cuffley Hills Barn The Ridgeway Cuffley EN6 4AY

    Received 21 Nov 2017
  2. Decided - Granted6/2020/3096/EMT

    Crown Reduce 1 x Oak Tree by 3-4m all round Fell 1 x Hornbeam tree Fell 1 x Oak tree

    14 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 20 Nov 2020
  3. Decided - Granted6/2017/2624/VAR

    Variation of condition 3 (materials for balcony) on planning permission 6/2016/1246/HOUSE

    52 Sherrardspark Road Welwyn Garden City AL8 7LB

    Received 10 Nov 2017
  4. Decided - Granted6/2018/0013/EM

    Installation of a satellite dish at the rear of the property.

    The Barnhouse Digswell Lane Welwyn AL6 0SP

    Received 3 Jan 2018
  5. Decided - Granted6/2018/3236/FULL

    Erection of 3-bedroom dwelling following the demolition of detached garage

    1 Coopers Road Little Heath Potters Bar EN6 1JG

    Received 20 Dec 2018
  6. Decided - Granted6/2017/1619/HOUSE

    Installation of rear patio

    25 Woodside Road Digswell Welwyn AL6 0DS

    Received 25 Jul 2017
  7. Decided - Refused6/2021/0400/LAWP

    Certificate of Lawfulness to erect new pitched roof to existing flat roof rear extension

    4 St Marys Close Welwyn AL6 9RL

    Received 5 Feb 2021
  8. Decided - Granted6/2023/1722/EM

    Installation of path at front of property to enable wheelchair access, replacement of gate and replacement of existing shed in rear garden

    35 Elmwood Welwyn Garden City AL8 6LD

    Received 16 Aug 2023
  9. Decided - Refused6/2022/0419/LAWP

    Certificate of lawfulness of the construction of outbuilding

    12 Woodgate Avenue Northaw Potters Bar EN6 4EW

    Received 23 Feb 2022
  10. Decided - Granted6/2018/0895/HOUSE

    Erection of a part side rear extension following demolition of existing conservatory.

    25 Upperfield Road Welwyn Garden City AL7 3LP

    Received 5 Apr 2018
  11. Decided - Refused6/2021/0306/EM

    Repitch roof and installation of two dormer windows and two rooflights to facilitate a loft conversion

    48 Attimore Road Welwyn Garden City AL8 6LP

    Received 1 Feb 2021
  12. Decided - Granted6/2022/1809/ADV

    Installation of illuminated sign

    1 High View Hatfield AL10 8HZ

    Received 2 Aug 2022
  13. Decided - Granted6/2021/2707/PN27

    Prior approval for the construction of an additional storey to facilitate the enlargement of the dwellinghouse to a maximum of approximately 7.24m

    9 Codicote Road Welwyn AL6 9ND

    Received 17 Sept 2021
  14. Decided - Granted6/2020/1268/LAWP

    Replacement of the existing windows to the front and side elevations

    5 Twelve Acres Welwyn Garden City AL7 4TG

    Received 26 May 2020
  15. Decided - Refused6/2025/1019/LAWP

    Certificate of lawfulness for garage conversion with replacement door for a window and porch infill

    17 Forresters Drive Welwyn Garden City AL7 2HN

    Received 30 May 2025
  16. Decided - Granted6/2020/1986/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.0m in height and 3.0m to the eaves

    63 Holloways Lane Welham Green Hatfield AL9 7NU

    Received 22 Jul 2020
  17. Decided - Granted6/2025/2230/EM

    Replacement driveway from tarmac to block paved

    52 Attimore Road Welwyn Garden City AL8 6LP

    Received 21 Oct 2025
  18. Decided - Granted6/2020/2810/HOUSE

    Conversion of garage to habitable accommodation, including replacement of roof with new dormer to provide 1.5m single storey side and rear extensions

    21 Turpins Chase Welwyn AL6 0RF

    Received 27 Oct 2020
  19. Under Consideration6/2026/1294/TC

    T28 Deadwood - Crown Clean Oak; T30 Crown Reduce back to previous- Remove Deadwood Oak; T34 Die Back - Fell and Grind Elm; T36 Pollard at 6m Sycamore; T41 Dead tree - Fell and Grind Goat Willow; T59 Crown reduction 2-3m Hornbeam; T64 Re pollard back to previous Hornbeam; T65 Re pollard back to previous Hornbeam; T69 Crown reduction 2-3m Hornbeam; T73 Major Deadwood - reduce by 4-5m Oak; T79 Crown reduction 20% - Deadwood Oak; T80 Crown reduce by 2-3m - Deadwood Oak; T103 Fell to ground level Birch; T104 Fell to ground level Cherry; T113 Decay main Stem - Monolith at 2m Hornbeam; T114 Fell to ground level Hornbeam; T122 Crown reduction 2-3m Hornbeam; T124 Remove basel Holly; T127 Pollard at 4m Willow; T129 Deadwood - Crown Clean Beech; T133 Fell to ground level Whitebeam; T134 Hallow tones around FFB - Fell & Grind Whitebeam; T136 Re pollard back to previous Lime; T137 Crown lift 2.4m Cypress; T138 Crown lift 2.4m Cypress; T139 Re pollard back to previous Lime; T141 Re pollard back to previous Lime; T142 Arial inspection Lime; and T143 Re pollard back to previous Ash.

    Templewood Primary School Pentley Park Welwyn Garden City AL8 7SD

    Received 23 Jul 2026
  20. Decided - Granted6/2020/0381/HOUSE

    Erection of a single storey side extension and two storey rear extension

    Dene Hollow Great North Road Hatfield AL9 6DA

    Received 11 Feb 2020
  21. Decided - Granted6/2019/0702/VAR

    Variation of condition 13 (approved plans) on planning permission 6/2018/0534/FULL

    33 Lemsford Road Hatfield AL10 0DL

    Received 11 Mar 2019
  22. Decided - Granted6/2022/1697/EM

    Erection of a first floor rear extension

    1 Brockswood Lane Welwyn Garden City AL8 7BA

    Received 18 Jul 2022
  23. Decided - Withdrawn6/2021/2062/FULL

    Erection of a single storey side extension, alterations to windows and doors, erection of privacy screens to create first floor terraces, part demolition of existing roofed structure adjacent to No 20.

    22 Parkway Welwyn Garden City AL8 6HG

    Received 8 Jul 2021
  24. Decided - Refused6/2019/0965/EM

    Erection of front porch

    33 Howlands Welwyn Garden City AL7 4RA

    Received 18 Apr 2019

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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