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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
29,782Searchable applications
307Recorded as pending
87%Approval rate · 24,740 approved or refused records
3,292Refused applications

21,448 approved · 3,292 refused · 1,585 withdrawn. Received dates in our records: 15 Jun 1948 to 13 Oct 2026. Most recent record check: 18 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2023/2115/FULL

    Erection of a detached dwelling with new vehicle entrance, crossover and basement

    38 The Ridgeway Cuffley Potters Bar EN6 4AX

    Received 18 Oct 2023
  2. Decided - GrantedS6/2014/1721/DS

    Approval of details reserved by conditions 3 (materials), 4 (hard and soft landscape), 5 (surface dressing), 6 (existing and proposed accesses), 7 (bin and cycle store), 8 (cross-section of the site and adjoining land) and 11 (energy supply) of planning permission S6/2013/1606/MA

    City Church, The Wades, Hatfield, AL10 8LB

    Received 31 Jul 2014
  3. Decided - Refused6/2022/1833/HOUSE

    Erection of two storey side extension and single storey rear extension following demolition of garage and conservatory

    59 Wild Hill Essendon Hatfield Hertfordshire AL9 6EA

    Received 5 Aug 2022
  4. Decided - Refused6/2017/0798/FULL

    Retention of use of existing outbuilding to a self-contained one bedroom dwelling

    5 Mimram Walk Welwyn AL6 9EZ

    Received 19 Apr 2017
  5. Decided - Granted6/2022/2621/FULL

    Addition of an air conditioning plant (on a concrete base)

    Sika Limited Watchmead Welwyn Garden City AL7 1BQ

    Received 17 Nov 2022
  6. Appeal Decided - Dismissed6/2016/0450/LB

    Removal of pair of Demi-Lune tables

    Brocket Hall, Brocket Park, Marford Road, Lemsford, Welwyn Garden City, AL8 7XG

    Received 17 Mar 2016
  7. Decided - Granted6/2018/0349/FULL

    Erection of new detached dwelling following demolition of existing house and garage

    158 Tolmers Road Cuffley Potters Bar EN6 4JR

    Received 2 Feb 2018
  8. Decided - Refused6/2016/0827/FULL

    Change of use from agricultural land to residential land and retention of maintenance and storage building, associated with the maintenance and upkeep of the estate grounds including equestrian use

    Warrenwood Manor, Hornbeam Lane, Brookmans Park, Hatfield, AL9 6JF

    Received 3 May 2016
  9. Decided - Refused6/2017/0366/HOUSE

    Extension to existing side dormers

    19 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 27 Feb 2017
  10. Decided - Granted6/2019/0406/EM

    Various Tree Works: Reduce back to previous reduction points, approximately 20% 2x Oak trees (T1&T2) and remove stem adventitious growth from trunk between ground level and 7m height. Oak, T2 to have lowest branch reduced by 4m. Re-Shape and Prune by 20% 1x Cherry tree (T3), Remove lower limb of 1 x Dogswell tree (T4), reshape and prune by 20% 1 x Prunus tree (T5), Remove deadwood on 2 x Lilac trees, 1 x Laburnham tree and 1 Cherry tree (T6,T7,T8 and T9), Reduce by 8ft 1 x Leylandi and remove climbing plant (HG1) and reduce by 2ft 1 x Laural tree (H2)

    12 Sherrardspark Road Welwyn Garden City AL8 7JP

    Received 21 Feb 2019
  11. Decided - GrantedN6/2014/0902/FP

    Change flat roof of garage to pitch roof

    18 Turpins Chase Welwyn AL6 0RA

    Received 25 Apr 2014
  12. Decided - Granted6/2025/1309/EM

    Proposed Driveway Alterations

    23 Mandeville Rise Welwyn garden City AL8 7JT

    Received 23 Jun 2025
  13. DecidedN6/2014/2392/TC

    Removal of Scots Pine tree plus reduce Purple Leaf tree by 20%, Laurel tree by 15%, Goat Willow tree by 15% and Crab Apple tree by 10%

    35 Turmore Dale, Welwyn Garden City, AL8 6HT

    Received 9 Sept 2014
  14. Under Consultation6/2026/1833/TC

    Hornbeam tree to reduce the crown by 30% 2x holly trees to reduce in height by 1 metre and trim into shape

    104 Parkway Welwyn Garden City AL8 6HL

    Received 13 Oct 2026
  15. Decided - GrantedW6/2015/1180/EM

    Erection of a wooden summerhouse in rear garden

    12 Meadow Green Welwyn Garden City AL8 6SS

    Received 3 Jun 2015
  16. Decided - Granted6/2018/2020/HOUSE

    Erection of first floor and single storey rear extensions, alterations to openings on existing side elevation including extension of existing raised patio area and ramp access

    105 Warren Way Digswell Welwyn AL6 0DL

    Received 1 Aug 2018
  17. Decided - GrantedS6/2013/2242/AD

    Installation of 3x internally illuminated fascia sign and 2x menu boxes

    Prezzo PLC, 71-72 The Galleria, Comet Way, HATFIELD, AL10 0XY

    Received 22 Oct 2013
  18. Decided - Granted6/2015/1866/EM

    Erection of single storey rear extension, garden shed and garage following demolition of existing garage

    145 Oakdale, Welwyn Garden City, AL8 7QS

    Received 2 Sept 2015
  19. Decided - Granted6/2017/2943/HOUSE

    Erection of a single storey side & rear extension

    126 Brookside Crescent Cuffley Potters Bar EN6 4QL

    Received 20 Dec 2017
  20. DecidedN6/2014/1075/TC

    Removal of Eucalylptus tree

    38 High Oaks Road, Welwyn Garden City, AL8 7BS

    Received 27 May 2014
  21. Decided - Granted6/2024/0989/LAWP

    Certificate of lawfulness for 2 x containers that can be moved at a future date if no longer required

    Ridgeway Academy Herns Lane Welwyn Garden City AL7 2AF

    Received 28 May 2024
  22. Decided - Granted6/2024/1380/TPO

    T1 Oak - Fell and treat stump with eco plugs due to subsidence. TPO Ref: TPO 580 (2016)

    Chine House Wild Hill Hertfordshire AL9 6EB

    Received 18 Jul 2024
  23. Decided - GrantedN6/2014/1688/TP

    Thin crown by 20% of hornbeam covered by TPO369 T1

    5 Woodland Rise, Welwyn Garden City, AL8 7LE

    Received 25 Jul 2014
  24. Decided - Refused6/2022/1629/LAWP

    Certificate of lawfulness for proposed conversion of garage to a workshop including changing doors, windows and insulation internally

    Parkside House 58 Mill Lane Welwyn AL6 9ES

    Received 11 Jul 2022

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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