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
40,163Searchable applications
309Recorded as pending
86%Approval rate · 33,679 approved or refused records
4,801Refused applications

28,878 approved · 4,801 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 4 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - GrantedN6/2009/1621/TE

    REDUCE HORSE CHESTNUT TREE BY 50%

    9 HANDSIDE CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6SR

    Received 31 Jul 2009
  2. Decided - Granted6/2019/0971/FULL

    Change of use only from Class A1 (Shops) to sui generis to enable use as a licenced betting office for a temporary period of five years.

    10 High View Hatfield AL10 8HZ

    Received 18 Apr 2019
  3. Decided - Granted6/2016/1313/TPO

    Reduce Magnolia tree by 25-30% - Conservation Area

    2 The Links, Welwyn Garden City, AL8 7DS

    Received 15 Jun 2016
  4. Decided - Refused6/2020/2177/EM

    Insertion of a conservation style roof light

    90 Valley Road Welwyn Garden City AL8 7DP

    Received 26 Aug 2020
  5. Decided - Granted6/2018/1849/VAR

    Variation of condition 3 (approved plans) on planning permission 6/2017/0755/HOUSE

    37 The Grove, Brookmans Park, Hatfield, AL9 7RL

    Received 16 Jul 2018
  6. Decided - Granted6/2015/1824/ADV

    Installation of 3no illuminated fascia signs, 2no illuminated projecting signs and 8no non illuminated amenity boards

    Land off Comet Way Hatfield AL10 9NG

    Received 27 Aug 2015
  7. Decided - GrantedW6/2004/0598/EM

    FORMATION OF "IN/OUT" DRIVE WAY

    68 Attimore Road, Welwyn Garden City, AL8 6LP

    Received 20 Apr 2004
  8. Decided - WithdrawnW6/2008/1669/EM

    FORMATION OF HARDSTANDING

    39 Thistle Grove Welwyn Garden City AL7 4AD

    Received 23 Aug 2008
  9. Decided - GrantedW6/2013/2234/EM

    Replacement of existing timber garage with brick built garage

    204 Knightsfield, Welwyn Garden City, AL8 7RQ

    Received 23 Oct 2013
  10. Decided - WithdrawnS6/2009/1042/FP

    ERECTION OF TWO STOREY REAR EXTENSION, INSTALLATION OF DORMER WINDOW TO THE REAR ELEVATION, ERECTION OF FRONT PORCH AND GROUND FLOOR BAY WINDOW

    8 MANOR ROAD, HATFIELD, HERTFORDSHIRE, AL10 9LN

    Received 26 May 2009
  11. Decided - GrantedS6/2004/0449/FP

    LOFT CONVERSION TO CREATE ADDITIONAL LIVING ACCOMMODATION.

    1 Station Road Welham Green Hatfield AL9 7PN

    Received 23 Mar 2004
  12. Decided - GrantedC6/1987/0616/FP

    First storey rear extension

    2 Mill Green Lodge, Mill Green, Bush Hall Lane, Hatfield, AL9 5PA

    Received 1 Jan 1980
  13. Decided - Granted6/2026/0519/HOUSE

    Erection of a pool house

    Foxwood Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 20 Mar 2026
  14. Decided - Granted6/2016/0963/HOUSE

    Erection of single storey rear, two storey side extension & single storey front extension

    170 Crawford Road Hatfield AL10 0PA

    Received 17 May 2016
  15. Decided - GrantedN6/2013/1181/FP

    Erection of single storey side extension and porch

    2 Mardley Wood Welwyn AL6 0UX

    Received 4 Jun 2013
  16. Decided - GrantedW6/2007/1323/EM

    ERECTION OF A TWO AND SINGLE STOREY REAR EXTENSION

    71 Digswell Park Road, Welwyn Garden City, AL8 7NW

    Received 6 Sept 2007
  17. Decided - Granted6/2018/3115/HOUSE

    Erection of single storey front, single storey rear infill extension and installation of dormers to front and rear and increase in roof height to facilitate loft conversion

    4 Vigors Croft Hatfield AL10 9HD

    Received 6 Dec 2018
  18. Decided - Granted6/2019/2484/COND

    Submission of details pursuant to condition 15 (programme of archaeological works) on planning permission 6/2018/1029/FULL

    Diocesan Education Centre Hall Grove Welwyn Garden City AL7 4PJ

    Received 7 Oct 2019
  19. Under Consultation6/2026/1775/LAWE

    Certificate of existing lawfulness of an HMO

    6 St Audreys Close Hatfield AL10 8UW

    Received 6 Oct 2026
  20. Decided - Granted6/2025/0026/HOUSE

    Erection of a single storey front extension, repositioning of front door and alterations to fenestration

    121 Moffats Lane Brookmans Park AL9 7RP

    Received 8 Jan 2025
  21. Decided - Granted6/2025/0188/HOUSE

    Erection of single storey side infill extension between the garage and main dwelling, raising ridge height at the rear of the dwelling to accommodate new doors, replacement raised patio area with railings and alterations to openings

    103 Attimore Road Welwyn Garden City AL8 6LG

    Received 4 Feb 2025
  22. Decided - Withdrawn6/2026/1220/TC

    T1 & T2 – Field Maples reduce the crowns by approximately 3m in height and 1.5m radially to provide a balanced crown and reduce overhang above the public footpath. Remove the failed stem and leave the trees in a safe condition. T3 – Pine crown thin the upper half of the canopy to reduce the dense reaction growth resulting from previous pruning works by approx 1m (10%), matching the density of the lower crown. Undertake minor formative pruning to improve the overall shape. T4 – Cherry (Dead) Monolith the dead Cherry to approximately 3m above ground level T5 – Holly Reduce the crown by approximately 2m all round, leaving a balanced and natural-looking crown.

    183 Howlands Welwyn Garden City AL7 4RL

    Received 13 Jul 2026
  23. Decided - Refused6/2022/2435/TPO

    TPO93 T7 Ash (Fraxinus excelsior) tree located in the West corner of the garden of 49 Osborne Rd, Potters Bar. Tree has early signs of Ash dieback. Unidentified fungal bracket growing on lower south east limb that is growing over the garden of number 2e Heath close. Proposed works are to reduce laterals and sub laterals on the south and west sides over gardens of 4 Chester Close and 2d/2e Heath Close by approx 3-4m to suitable growth points to reduce chance of dead branch drop onto garden furniture and persons. Removal of limb over garden 2e Heath Close with unidentified fungal bracket reduced back to stem.

    49 Osborne Road Little Heath Potters Bar EN6 1SB

    Received 20 Oct 2022
  24. Decided - GrantedS6/2009/0586/FP

    REPLACEMENT OF EXISTING ROOF OVER EASTERN COURTYARD WITH GLAZED ROOF

    77 THE RYDE, HATFIELD, HERTFORDSHIRE, AL9 5DN

    Received 11 May 2009

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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Guides to planning records

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    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.

  • 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.

  • 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.

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.

Check collection coverage