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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - GrantedN6/2014/2105/FP

    Installation of four dormer windows on front elevation, two additional windows on rear elevation and repositioning of existing flue on rear elevation

    Denmark House, Parkway, Welwyn Garden City, AL8 6HG

    Received 25 Sept 2014
  2. Appeal Decided - DismissedS6/2013/2225/FP

    Extensions and alterations to existing dwelling to include front and rear two storey extensions, and first floor balcony

    The Warren, 8 Carbone Hill, Northaw, Potters Bar, EN6 4PL

    Received 22 Oct 2013
  3. Decided - Granted6/2020/3127/EM

    Single and two storey rear extension. Garage conversion to habitable accommodation and enlargement of front driveway.

    17 The Valley Green Welwyn Garden City AL8 7DQ

    Received 23 Nov 2020
  4. Decided - GrantedW6/2013/0088/TE

    Remove Hawthorn and Sycamore trees to ground level and reduce branches of Ash tree by upto 30%

    4 Mannicotts, WELWYN GARDEN CITY, AL8 7BW

    Received 18 Jan 2013
  5. Decided - Granted6/2015/1967/EM

    Removal of hedgerow to allow formation of vehicle hardstanding

    30 Dawley, Welwyn Garden City, AL7 1DZ

    Received 18 Sept 2015
  6. Decided - Granted6/2023/0860/HOUSE

    Erection of single storey rear extension

    46 Tansycroft Welwyn Garden City AL7 2DU

    Received 24 Apr 2023
  7. Appeal Decided - DismissedS6/2006/0063/FP

    CHANGE OF USE OF AMENITY LAND FOR THE ERECTION OF A GARAGE

    68 Eagle Way Hatfield AL10 8RE

    Received 17 Jan 2006
  8. Decided - Granted6/2022/2100/EM

    Installation of air sourced heat pump to the flat roof on top of the extension

    63 Howicks Green Welwyn Garden City AL7 4RJ

    Received 8 Sept 2022
  9. Decided - WithdrawnN6/2014/0513/AD

    Display of 11 illuminated sign boxes, 7 internally illuminated blade signage, 5 'open 7 days' signage and 2 logo door handles

    52-54 Howardsgate, Welwyn Garden City, AL8 6BP

    Received 7 Mar 2014
  10. Decided - WithdrawnN6/2014/0273/FP

    Retention of conversion of garage space to living accomodation and increase in hardstanding to accomodate additional parking

    9 Elderfield, Welwyn Garden City, AL7 1FN

    Received 3 Feb 2014
  11. Decided - Granted6/2026/0434/TPO

    T1 - 45ft Sweet Chestnut tree – to reduce the crown by 30% - crown reduction is proposed to reduce height and wind loading, maintain appropriate clearance from the building, and improve light while retaining the trees’ amenity value T2 & T3 - 2x Hornbeam trees to reduce the crown by 30% - crown reduction is proposed to reduce height and wind loading, maintain appropriate clearance from the building, and improve light while retaining the trees’ amenity value TPO 796 (2018)

    Hornbeams 2A Firway Welwyn AL6 0RD

    Received 10 Mar 2026
  12. Decided - GrantedW6/2007/0296/EM

    SINGLE STOREY REAR EXTENSION.

    583 Howlands, Welwyn Garden City, AL7 4HT

    Received 23 Feb 2007
  13. Decided - GrantedS6/2007/1580/AD

    INSTALLATION OF TWO INTERNALLY ILLUMINATED SIGNS

    ASDA STORES, 98 TOWN CENTRE, HATFIELD, HERTFORDSHIRE, AL10 0JP

    Received 31 Oct 2007
  14. DecidedN6/2015/0315/TC

    Reduce front boundary hedge to 1.8m in height and removal of upto 33% overall

    46 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 16 Feb 2015
  15. Decided - GrantedN6/2015/0734/FP

    Erection of a conservatory

    6 Douglas Way, Welwyn Garden City, AL7 2LY

    Received 31 Mar 2015
  16. Decided - Granted6/2020/2033/HOUSE

    Erection of a single storey rear extension and single storey front extension and part garage conversion

    133 Oakdale Welwyn Garden City AL8 7QS

    Received 13 Aug 2020
  17. Decided - Granted6/2019/1517/HOUSE

    Erection of carport with the conversion of existing garage into annexe

    103 Robbery Bottom Lane Welwyn AL6 0UL

    Received 20 Jun 2019
  18. Decided - Granted6/2016/1452/EM

    Erection of two storey, single storey rear extension and alterations

    12 Rooks Hill, Welwyn Garden City, AL8 6ET

    Received 18 Jul 2016
  19. Decided - GrantedN6/2014/1871/FP

    Erection of single storey rear and side extension including the insertion of two sky lights following removal of existing sky lantern

    1 Homerfield, Welwyn Garden City, AL8 6QZ

    Received 20 Aug 2014
  20. Decided - Granted6/2018/2437/EM

    Fell 2 x Cotoneaster trees (T1 & T4) and reduce 2 x Hazel trees (T2 & T3) by 2.5m-3m in height

    3 Rosedale Welwyn Garden City AL7 1DW

    Received 24 Sept 2018
  21. Decided - GrantedN6/2004/0387/DT

    INSTALLATION OF A 10 Mtr SLIMLINE MONOPOLE INCORPORATING A NEW STREET LAMP, WITH 2 ANTENNAS, RADIO EQUIPMENT HOUSING AND ANCILLARY DEVELOPMENT. EXISTING LAMPOST (9) TO BE REMOVED

    LAND AT, KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JE

    Received 15 Mar 2004
  22. Decided - Granted6/2020/1557/EMT

    Fell 1x Hornbeam tree

    57 Thistle Grove Welwyn Garden City AL7 4AF

    Received 30 Jun 2020
  23. Decided - GrantedN6/2014/2777/FP

    Erection of single storey rear extension, part conversion of existing garage and insertion of roof lights to existing ground floor side extension

    28 Dellcott Close, Welwyn Garden City, AL8 7BD

    Received 30 Dec 2014
  24. Decided - GrantedN6/2008/2466/TE

    REDUCTION OF 3 GROUPS OF CONIFERS BY 50%, REMOVAL OF FURTHER GROUP OF CONIFERS

    GUESSENS COURT, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6RB

    Received 20 Dec 2008

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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  • 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.

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