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England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
39,945Searchable applications
298Recorded as pending
86%Approval rate · 33,493 approved or refused records
4,786Refused applications

28,707 approved · 4,786 refused · 2,194 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/0964/EM

    Replacement of garage at rear of property

    125 Thistle Grove Welwyn Garden City AL7 4AG

    Received 5 May 2017
  2. Decided - RefusedW6/2004/0541/EM

    ERECTION OF FIRST FLOOR SIDE EXTENSION AND ERECTION OF SINGLE STOREY FRONT EXTENSION TO FACILITATE THE CONVERSION OF GARAGE TO LIVING ACCOMODATION. ALTERATIONS TO FENESTRATION AND ERECTION OF GARDEN SHED.

    19 Coneydale, Welwyn Garden City, AL8 7RX

    Received 13 Apr 2004
  3. Decided - GrantedS6/2009/0340/LU

    CERTIFICATE OF LAWFULNESS FOR THE ERECTION OF A DETACHED GARAGE

    26 CARBONE HILL, NORTHAW, POTTERS BAR, HERTS, EN6 4PN

    Received 17 Feb 2009
  4. Decided - GrantedN6/2004/0732/FP

    INSTALLATION OF REFRIDGERATION PLANT ON ROOF OF RETAIL STORE

    MARKS & SPENCER PLC, UNIT 14, HOWARDSGATE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HA

    Received 17 May 2004
  5. Decided - Granted6/2021/2766/EM

    Installation of vehicular crossover and hardstanding to front

    10 Bushey Ley Welwyn Garden City AL7 3HW

    Received 24 Sept 2021
  6. Decided - Granted6/2022/2013/HOUSE

    Erection of single storey front and rear extension

    3 Holliers Way Hatfield AL10 8HJ

    Received 30 Aug 2022
  7. Decided - Granted6/2018/1167/VAR

    Variation of condition 13 (number of vehicle movements) on planning permission 6/2017/0444/FULL, dated 29/06/2017

    Woodhurst Farm Cattlegate Road Northaw Enfield EN2 8AU

    Received 3 May 2018
  8. Decided - Refused6/2020/2356/FULL

    Demolition of existing detached commercial unit and erection of detached 3 storey building for mixed use as offices (Use Class E(g)(i) and two self contained flats.

    53A Great North Road Welwyn Garden City AL8 7TL

    Received 15 Sept 2020
  9. Appeal Decided - Dismissed6/2022/1633/HOUSE

    Erection of first floor extension with increase in roof height

    2 The Driveway Cuffley Potters Bar EN6 4EB

    Received 12 Jul 2022
  10. Decided - GrantedN6/2014/0529/DS

    Discharge of condition 3.1 (Site Characterisation), 3.2 (Survey) and part of 3.3 (Remediation Scheme) of planning permission N6/2013/0821/MA

    Former Clock Hotel Church Street Welwyn AL6 9LN

    Received 6 Mar 2014
  11. Decided - Withdrawn6/2023/0741/COND

    Submission of details pursuant to the discharge of condition 7 (Historic Building Monitoring Report) on planning permission S6/2012/0369/FP

    Cucumber Hall Barn Cucumber Lane Essendon Hatfield AL9 6JB

    Received 3 Apr 2023
  12. Decided - Granted6/2015/1600/HOUSE

    Erection of a front porch, single storey side and rear extension following demolition of existing conservatory.

    49 Hawkshead Lane, North Mymms, Hatfield, AL9 7TD

    Received 28 Jul 2015
  13. Decided - GrantedW6/2014/0465/TE

    Removal of Apple tree

    10 Colgrove, Welwyn Garden City, AL8 6HU

    Received 24 Feb 2014
  14. Decided - GrantedW6/2013/1800/EM

    Loft Conversion incorporating two rear dormer windows

    40 Parkway, Welwyn Garden City, AL8 6HQ

    Received 20 Aug 2013
  15. Decided - Refused6/2025/2496/LAWE

    Existing use of property as a House in Multiple Occupation and conversion of the original garage into habitable accommodation

    80 Travellers Lane Hatfield AL10 8SF

    Received 1 Dec 2025
  16. Decided - Granted6/2024/0444/LAWP

    Certificate of lawfulness for the siting of a one bedroom caravan to the rear of the property

    7 Harwood Close Welwyn Garden City AL8 7ST

    Received 8 Mar 2024
  17. Decided - Granted6/2024/0285/EM

    Rear ground floor infill, part first floor rear extension, internal alterations, replacement of rear single storey felt flat roof with GRP resin and replacement of felt flat roof to detached garage and replace with GRP resin, insertion of roof lantern to rear ground floor flat roof and new rooflight to rear main roof

    10 Woodland Rise Welwyn Garden City AL8 7LF

    Received 12 Feb 2024
  18. Decided - Refused6/2017/1122/TPO

    Fell 1 x Oak tree - Conservation Area

    12 Sherrardspark Road Welwyn Garden City AL8 7JP

    Received 24 May 2017
  19. Decided - Refused6/2020/0900/LAWP

    Certificate of lawfulness for the erection of single storey side extensions and outbuildings

    Meadow Farm Northaw Road West Northaw Potters Bar EN6 4QX

    Received 20 Apr 2020
  20. Decided - Refused6/2020/0925/PN8

    Prior approval for single storey rear extension measuring at 6.36m in depth, 3.65m in height and 2.50m to the eaves

    Meadow Farm Northaw Road West Northaw Potters Bar EN6 4QX

    Received 23 Apr 2020
  21. Decided - Granted6/2019/2449/EM

    Fell 1 x Oak tree

    14 Willow Grove Welwyn Garden City AL8 7NA

    Received 2 Oct 2019
  22. Decided - Granted6/2016/1088/HOUSE

    Erection of single storey side extension

    45 Bullens Green Lane, Colney Heath, St Albans, AL4 0QR

    Received 2 Jun 2016
  23. Decided - Granted6/2025/2060/COND

    Submission of details pursuant to Condition 1 (Noise) on planning permission 6/2025/0743/FULL

    Roe Green Centre Unit 1 Bishops Rise Hatfield AL10 9HE

    Received 26 Sept 2025
  24. Decided - Granted6/2021/1466/EM

    Demolition of existing outbuilding to the rear of the garage. New side extension with rooflights and new openings to rear elevation. Part garage conversion. New roof to garage and extension.

    7 Aldock Welwyn Garden City AL7 4QF

    Received 10 May 2021

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

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How to search planning applications

Guides to planning records

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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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