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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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - RefusedN6/2004/1237/FP

    SINGLE STOREY REAR EXTENSION

    9 Pentley Park Welwyn Garden City AL8 7RT

    Received 12 Aug 2004
  2. Decided - Granted6/2025/0209/EM

    Replacement of double-glazed windows like for like, with Georgian bars/sight lines and openings as original. Original units blown, mouldy and not sealing. Replacement of back door with upvc back door like for like. Original unit not sealing and lower panel leaking water. Replacement of front door with composite front door in new style and colour to blend with neighbours. Original unit old style not heat efficient, not sealing and mouldy. Placement of a glass canopy over front door. To give rain shelter. Replacement of broken front light with bulkhead light unit. Old unit not working. Enlargement of front step from 1 brick width to 2 brick width to reduce trip hazard

    18 Kirklands Welwyn Garden City AL8 7RD

    Received 7 Feb 2025
  3. Decided - Granted6/2018/3278/HOUSE

    Conversion of existing garage into a habitable space and erection of a single storey rear extension

    237 Daniells Welwyn Garden City AL7 1QD

    Received 27 Dec 2018
  4. Decided - Granted6/2023/0195/LAWP

    Certificate of lawfulness for the conversion of garage to habitable space

    36 Brookside Crescent Cuffley Potters Bar EN6 4QN

    Received 26 Jan 2023
  5. Under Consultation6/2026/1033/MAJ

    Erection of a 66 bedroom care home for the elderly (Use Class C2) with associated access, parking, landscaping and ancillary buildings following demolition of existing dwelling and associated outbuildings

    Sandyhurst 1 Welwyn By Pass Road Welwyn AL6 9HT

    Received 12 Jun 2026
  6. Decided - Granted6/2020/1006/EMT

    Reduce 1 x Oak Tree by 30% Reduce 1 x Elm Tree by 30%

    1 The Old Drive Welwyn Garden City AL8 6TB

    Received 1 May 2020
  7. Decided - GrantedW6/2004/0211/EM

    FORMATION OF VEHICLE HARDSTANDING

    58 Woodhall Lane, Welwyn Garden City, AL7 3TF

    Received 13 Feb 2004
  8. Decided - Granted6/2021/2944/HOUSE

    Conversion of loft to habitable use including the installation of 3 x side and 2 x rear velux roof lights and new window to front gable

    5 Tomlinson Court Welwyn AL6 9GD

    Received 13 Oct 2021
  9. Decided - Granted6/2022/0943/TPO

    T1 - Oak - Removal.

    12 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 21 Apr 2022
  10. Decided - Granted6/2020/2357/HOUSE

    Erection of a single storey rear extension.

    92 Broomhills Welwyn Garden City AL7 1RD

    Received 15 Sept 2020
  11. Decided - GrantedS6/2014/1754/TP

    Crown reduction by 8-10 feet (2.4-3m) of Oak tree covered by TPO479

    27 Willow Way, Hatfield, AL10 9QD

    Received 5 Aug 2014
  12. Decided - Granted6/2023/1791/PN8

    Prior approval for the erection of a single storey rear extension measuring 5m in depth, 2.9m in height and 2.9m to the eaves

    45 High Dells Hatfield AL10 9JD

    Received 29 Aug 2023
  13. Decided - GrantedN6/2004/0146/FP

    ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSIONS

    10 Handside Close Welwyn Garden City AL8 6SR

    Received 2 Feb 2004
  14. Decided - Granted6/2015/2057/COND

    Approval of details reserved by condition 3 (materials) on planning permission N6/2015/0397/FP

    107 Cole Green Lane, Welwyn Garden City, AL7 3JF

    Received 2 Oct 2015
  15. Decided - GrantedW6/2014/2540/TE

    Reduce Horse Chestnut tree by upto 3m

    43 Handside Lane Welwyn Garden City AL8 6SH

    Received 20 Nov 2014
  16. Decided - RefusedS6/2009/1169/LU

    CERTIFICATE OF LAWFULNESS FOR COMPLETION OF CONSTRUCTION WORK COMMENCED UNDER S6/2007/1268/FP FOR CONVERSION OF PIG PENS TO ONE HOLIDAY-LET COTTAGE

    Postern Gate Farm Newgate Street Village Hertford SG13 8QR

    Received 28 May 2009
  17. Decided - Granted6/2025/0937/EM

    Erection of single storey glass room on the rear elevation of the property

    169 Work Shop at Boundary Lane Welwyn Garden City AL7 4EQ

    Received 21 May 2025
  18. Decided - Granted6/2019/2138/EM

    Erection of a part single, part two storey rear extension with alterations to the front elevation

    37 Bridge Road Welwyn Garden City AL8 6UG

    Received 28 Aug 2019
  19. Decided - Granted6/2016/0132/LAWE

    Certificate of lawfulness for the retention of the Old Cottage as a self contained dwellinghouse (Use Class C3)

    The Old Cottage, 10 Hawkshead Lane, North Mymms, Hatfield, AL9 7TB

    Received 26 Jan 2016
  20. Decided - Refused6/2022/1502/TPO

    T1 fell Thuya tree (G1 of TPO 633).

    17 Heath Road Welwyn Hertfordshire AL6 0TP

    Received 28 Jun 2022
  21. Decided - GrantedS6/2008/0045/LB

    ERECTION OF REPLACEMENT RESIDENTIAL ANNEXE ATTACHED TO LISTED WALL, AND REPLACEMENT OF EXISTING FLAT GARAGE ROOF WITH PITCHED ROOF. AMENDMENTS TO S6/2005/1562/LB.

    THE VINES, 51 HIGH ROAD, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6HS

    Received 9 Jan 2008
  22. Decided - RefusedN6/2007/0926/DT

    15 METER SLIM LINE STREET WORKS STRUCTURE SUPPORTING A LIGHTING ARM AND 3 NOS ANTENNAS HOUSED WITHIN A SHROUD AND ASSOCIATED EQUIPMENT CABINETS

    LAND AT THE JUNCTION OF PANSHANGER DRIVE AND MOORS WALK, WELWYN GARDEN CITY, HERTFORDSHIRE

    Received 22 Jun 2007
  23. Decided - Granted6/2022/1224/HOUSE

    Erection of a conservatory

    17 Thistle Grove Welwyn Garden City AL7 4AD

    Received 25 May 2022
  24. Decided - Granted6/2017/0858/EM

    1 x Lawson cypress to fell to ground level

    11 Digswell Park Road Welwyn Garden City AL8 7NW

    Received 25 Apr 2017

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

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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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