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
40,154Searchable applications
303Recorded as pending
86%Approval rate · 33,678 approved or refused records
4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2024/0829/HOUSE

    Erection of orangery following the demolition of existing conservatory

    7 Danesbury Lane Welwyn AL6 9SG

    Received 2 May 2024
  2. Decided - Granted6/2024/2208/EM

    Erection of a part single, part double storey rear extension, insertion of roof lights, and installation of solar panels to existing garage roof

    15 Guessens Road Welwyn Garden City AL8 6QL

    Received 15 Nov 2024
  3. Decided - GrantedN6/2009/1764/DS

    DISCHARGE OF CONDITION 4 (REVISED PLANS) FROM PLANNING PERMISSION N6/2009/1237/FP

    42 Handside Lane, Welwyn Garden City, AL8 6SJ

    Received 6 Aug 2009
  4. Decided - GrantedN6/2009/1695/TE

    REMOVAL OF LEYLANDII TREE IN REAR GARDEN

    99 WOODHALL LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3TH

    Received 4 Aug 2009
  5. Decided - Granted6/2015/1994/FULL

    Erection of 4no detached dormer bungalows with access from Kingsmead following demolition of 19 Kingsmead including amendment for plot 4 (Grylls) following approval of planning applications S6/2014/1696/FP and S6/2015/1471/NM.

    Land at and to rear of 19 Kingsmead, Hill Rise and Plough Hill, Cuffley, Potters Bar, EN6 4EE

    Received 28 Sept 2015
  6. Decided6/2021/2118/TC

    1 x Apple to reduce to approximately 2.5m above ground level. Remove 2 large limbs back to main trunk.

    2 Marsden Road Welwyn Garden City AL8 6YF

    Received 14 Jul 2021
  7. Decided - Granted6/2018/2772/LAWP

    Certificate of lawfulness for installation of rear dormer to facilitate conversion of loft to habitable space

    13 Sandpit Road Welwyn Garden City AL7 3TW

    Received 26 Oct 2018
  8. Decided - Granted6/2022/1250/HOUSE

    Erection of a single storey front extension, two storey side extension and single storey rear extension following the demolition of existing garage

    13 Elmoor Avenue Welwyn AL6 9PG

    Received 26 May 2022
  9. Decided - Withdrawn6/2016/1289/HOUSE

    Erection of single storey rear extension following demolition of existing conservatory

    160 Harwood Hill, Welwyn Garden City, AL8 7AG

    Received 27 Jun 2016
  10. Decided - GrantedS6/2014/1455/FP

    Change of use from A1 (shops) to A5 (hot food takeaways). Installation of ventilation and extraction equipment to the rear and new shopfront

    46 The Common Hatfield AL10 0LU

    Received 19 Jun 2014
  11. Decided - Granted6/2021/3438/EM

    Installation of solar panels on roof

    49 Crossway Welwyn Garden City AL8 7ED

    Received 8 Dec 2021
  12. Decided - GrantedW6/2014/0386/EM

    Erection of two storey and single storey rear extensions

    26 Melbourne Court, Welwyn Garden City, AL8 6LL

    Received 20 Feb 2014
  13. Under Consultation6/2022/1395/OUTLINE

    Outline planning application with all Matters reserved except Access (apart from internal circulation) for the Proposed Development as shown on the Parameter Plan, Land Use Budget, Access Arrangements Plans and Mineral Extraction Plans, to be developed in a phased manner comprising: up to 2,650 new homes: sites for two primary schools and one secondary school, including associated sports facilities; two mixed use local centres, which could include land uses within the following Use Classes: C1 (hotels); C2 (residential institutions); C3 (dwellinghouses); E (any commercial, business or service uses within sub-classes a-g inclusive); F1 (specifically, sub class f: public worship) and F2 (specifically, sub-classes a: local shops) as well as the following sui generis uses: public houses or drinking establishments (formerly Use Class A4) and takeaways (formerly Use Class A5); up to three gypsy/traveller sites, collectively accommodating up to 15 pitches; a network of green infrastructure complementing that in the site's environs and including extensive informal open space, as well as allotments/community orchards and play areas; vehicular access via the A414, B195 and Cole Green Lane, including the re-alignment of the B195; internal roads, Active Travel Links, and further informal routes; sustainable drainage and utilities infrastructure, including drainage basins, foul water pumping stations and electricity sub-stations; prior extraction of circa 162,000 tonnes of sands and gravels from that part of the site to the north of public footpath Hertingfordbury 023 and to the west of Birchall Wood; and the management and control of the historic landfill in the central part of the site, including measures to ensure the safety of site users.

    Land southeast of Welwyn Garden City to the north of the A414 and straddling Birchall/Cole Green Lane

    Received 16 Jun 2022
  14. Decided6/2022/2568/TC

    Removal of two cypress trees encroaching on building, cutting light and excessive shading. Replant two similar trees and landscape.

    20 Parkway Gardens Welwyn Garden City AL8 6JW

    Received 10 Nov 2022
  15. Decided - GrantedN6/2015/0086/TC

    Fell Lawson cypress tree

    17 Attimore Road, Welwyn Garden City, AL8 6LH

    Received 20 Jan 2015
  16. Decided - GrantedW6/2010/0240/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION AND CONVERSION OF GARAGE INTO HABITABLE ACCOMMODATION

    65 BEEHIVE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4BJ

    Received 9 Feb 2010
  17. Decided - GrantedC6/1987/0291/FP

    First floor rear extension

    37 Blakemere Road, Welwyn Garden City, AL8 7PQ

    Received 1 Jan 1987
  18. Decided - Refused6/2019/3194/EM

    Erection of single storey side extension & partial conversion of existing garage into a playroom, together with new ancillary side access door and replacing rear patio doors with new window and new car parking spaces

    52 Rosedale Welwyn Garden City AL7 1DR

    Received 19 Dec 2019
  19. Under Consideration6/2026/1398/COND

    Submission of details pursuant to condition number 20 (visibility splay), 21 (Travel Plan), 26 (maintenance of the streets) and 27 (refuse and recycling) on planning permission 6/2023/2552/OUTLINE

    Land off London Road Woolmer Green SG3 6JZ

    Received 7 Aug 2026
  20. Decided - GrantedS6/2008/0998/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION FOLLOWING DEMOLITION OF EXISTING SIDE EXTENSION AND ADDITION OF PITCHED ROOF TO EXISTING FLAT ROOF AREA TO REAR

    2 Birchwood Avenue Hatfield AL10 0PQ

    Received 27 Jun 2008
  21. Decided - Granted6/2025/0556/TPO

    Reduce 2 x hornbeam trees covered by TPO 737 (2018) by approximately 2-3m as previous. Remove 10cm diameter limb on T2 that is touching the telegraph pole.

    56 Blakemere Road Welwyn Garden City AL8 7PN

    Received 24 Mar 2025
  22. Decided - Granted6/2018/3158/HOUSE

    Erection of boundary fence, laurel hedge, brick piers and double gates following the removal of existing fence and entrance gates

    The Warren 8 Carbone Hill Northaw Potters Bar EN6 4PL

    Received 11 Dec 2018
  23. Decided - GrantedW6/2014/2438/EM

    Proposed loft conversion including rear facing roof window, gable end window and new front door

    24 Blakemere Road, Welwyn Garden City, AL8 7PJ

    Received 5 Nov 2014
  24. Decided - GrantedS6/2013/2149/EI

    EI Screening for proposed multi-use games area

    Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield, AL9 7TA

    Received 9 Oct 2013

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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  • 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.

  • 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

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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.

Check collection coverage