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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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 2 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 Counts reflect the last collected status; some records may be out of date.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. Appeal Decided - Allowed6/2016/1850/HOUSE

    Erection of front porch and installation of 2no rooflights

    45 Broomfield Road Welwyn AL6 9DL

    Received 8 Sept 2016
  2. Decided - WithdrawnN6/2009/2689/S73B

    REMOVAL OF CONDITION 2 ( NO GATES OF ANY FORM OF BARRIER TO BE ERECTED OR CONSTRUCTED) FROM PLANNING PERMISSION N6/0441/92/FP

    Danesbury Hill House Codicote Road Welwyn AL6 9NF

    Received 15 Dec 2009
  3. Decided - Granted6/2016/1774/TPO

    Tree works - Conservation Area

    2 Sherrardspark Road, Welwyn Garden City, AL8 7JP

    Received 17 Aug 2016
  4. Decided - Granted6/2020/0866/EM

    Removal of shed

    24 Springfields Welwyn Garden City AL8 6XP

    Received 14 Apr 2020
  5. Decided - WithdrawnS6/1989/0686/FP

    Single storey extension to form new entrance lobby and additional meeting hall space

    Oxlease House Day Centre, Travellers Lane, Hatfield., Hatfield

    Received 1 Jan 1989
  6. Decided - GrantedW6/2014/1047/EM

    Retention of new, larger kitchen window following removal of original window and bricking up of door

    9 Walden Place, Welwyn Garden City, AL8 7PG

    Received 12 May 2014
  7. Decided - RefusedW6/2006/0460/EM

    ERECTION OF TWO STOREY SIDE EXTENSION

    19 Green Acres, Welwyn Garden City, AL7 4LJ

    Received 6 Apr 2006
  8. Decided - Granted6/2020/3294/ADV

    Installation of fascia signage

    90 Town Centre Hatfield AL10 0JW

    Received 8 Dec 2020
  9. Decided - Granted6/2018/1822/LAWE

    The use of an existing outbuilding for a purpose that is incidental to the dwelling house

    19 Windsor Road Welwyn AL6 9JH

    Received 11 Jul 2018
  10. Decided - Refused6/2024/1236/PN24

    Prior approval for installation of mounted solar panels (side roof pitch facing towards 112 Parkway)

    110 Parkway Welwyn Garden City AL8 6HN

    Received 2 Jul 2024
  11. Decided - GrantedN6/2004/1359/FP

    ERECTION OF NEW ENTRANCE DOORS AND PORCH

    104-126 SPRINGFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6XL

    Received 7 Sept 2004
  12. Decided - Granted6/2015/1594/HOUSE

    Garage conversion to create a habitable room

    14 Purdom Road Welwyn Garden City AL7 4FH

    Received 27 Jul 2015
  13. Decided6/2017/2255/TPO

    Reduce crown of 2 x Apple trees by approx 45%, remove dead wood from crown of 1 x Cherry tree, fell 1 x Poplar tree and lift crown by approx 9-10 ft from ground level on Multi-stemmed Thuja tree - Conservation Area

    6 Sherrardspark Road Welwyn Garden City AL8 7JP

    Received 3 Oct 2017
  14. Decided6/2024/0057/TC

    T1/ Pear - Located in rear garden, Adj. House, Reduce to Previous Pruning points (1-2m) T2/Apple - Reduce to Previous Pruning points (3-4m) T3/Sycamore - Reduce By 2-3m, Crown lift to 3-4m

    3 Pentley Park Welwyn Garden City AL8 7RT

    Received 9 Jan 2024
  15. Decided - Granted6/2026/0193/COND

    Variation of condition 2 (external materials) & 4 (landscaping) on planning permission 6/2024/0767/VAR

    44A Harmer Green Lane Digswell Welwyn AL6 0AT

    Received 4 Feb 2026
  16. Decided6/2024/2190/TC

    Fell 1x cherry tree

    53 Blakemere Road Welwyn Garden City AL8 7PQ

    Received 12 Nov 2024
  17. Decided - Granted6/2021/0596/HOUSE

    Erection of a single-storey side extension; flat roof of existing rear extension replaced with pitched roof; and erection detached double-garage

    1 Bacons Drive Cuffley Potters Bar EN6 4EF

    Received 24 Feb 2021
  18. Decided - RefusedS6/2006/0345/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION TO ACCOMMODATE PRIVATE SWIMMING POOL

    1 Foxes Lane Cuffley Potters Bar EN6 4JB

    Received 20 Mar 2006
  19. Decided - GrantedN6/2008/0841/FP

    ERECTION OF SINGLE STOREY LINK EXTENSION

    111 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6SP

    Received 29 May 2008
  20. Decided - Granted6/2017/2928/PN15

    Prior approval for the installation of an MBNL 17.5 metre high HEL Phase 5 Tower on D9-4 rood foundation and associated works

    Welwyn Garden City Ambulance Station Ascots Lane Welwyn Garden City AL7 4HL

    Received 15 Dec 2017
  21. Decided - Granted6/2017/2130/EM

    T1 - Ash - to reduce crown by 30% and T2 - Willow - reduce crown by 40%

    139 Howlands Welwyn Garden City AL7 4RL

    Received 20 Sept 2017
  22. Decided - GrantedN6/2014/2602/FP

    Erection of a single storey rear extension

    22 Mardley Hill Welwyn AL6 0TS

    Received 28 Nov 2014
  23. Decided - Granted6/2019/0321/HOUSE

    Erection of single storey rear extension following demolition of conservatory

    12 Firway Close Welwyn AL6 0RE

    Received 12 Feb 2019
  24. Decided - Granted6/2026/0739/COND

    Submission of details pursuant to condition number 1 (brick replacement method) and 2 (material sample tiles) on listed building consent 6/2026/0039/LB

    Mill Green 5 Mill Green Cottages Bush Hall Lane Hatfield AL9 5PB

    Received 27 Apr 2026

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

Guides to planning records

All planning guides

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    Planning application documents: what to read first

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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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