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
40,285Searchable applications
321Recorded as pending
86%Approval rate · 33,777 approved or refused records
4,815Refused applications

28,962 approved · 4,815 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/2739/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.5m in height and 3m to the eaves

    15 Heathcote Avenue Hatfield AL10 0RQ

    Received 20 Oct 2020
  2. Decided - Withdrawn6/2020/2994/HOUSE

    Erection of a two storey front, two storey side, part single and part two storey rear, front dormer and rear dormer, including roof windows to side elevations and increase to increase of roof ridgeline

    43 The Grove Hatfield AL9 7RL

    Received 13 Nov 2020
  3. Decided - WithdrawnN6/2014/0928/FP

    Erection of single storey side and rear corner extension and conversion of garage to living accommodation following change of use of amenity land

    76 The Vineyard, Welwyn Garden City, AL8 7PU

    Received 1 May 2014
  4. Decided - Granted6/2018/1863/HOUSE

    Erection of part single part two storey rear extension and alterations to openings following demolition of existing conservatory

    27 Bridge Road Woolmer Green Knebworth SG3 6JL

    Received 17 Jul 2018
  5. Decided - GrantedS6/2013/1482/FP

    Erection of single storey rear extension

    127 Moffats Lane, Brookmans Park, Hatfield, AL9 7RP

    Received 16 Jul 2013
  6. Decided - GrantedN6/2014/1637/FP

    Erection of single storey side extension

    81 Sylvandale, Welwyn Garden City, AL7 2HT

    Received 21 Jul 2014
  7. Decided - Granted6/2021/2146/FULL

    Installation of new windows, erection of a new fence and gate, installation of a container within the yard space, installation of new ventilation louvres, installation of new air conditioning units within the plant space and new roller shutter and entrance door.

    Magellan House 5 Bessemer Road Welwyn Garden City AL7 1GF

    Received 15 Jul 2021
  8. Decided - Granted6/2018/1183/EM

    Erection of a conservatory to replace existing

    257 Handside Lane Welwyn Garden City AL8 6TF

    Received 3 May 2018
  9. Decided - Granted6/2015/1686/HOUSE

    Conversion of garage into habitable space

    25 Stirling Way Welwyn Garden City AL7 2QA

    Received 11 Aug 2015
  10. Decided - Granted6/2020/0678/TC

    Reduce 3x Lime trees (T2, T3 and T4) by 3m Reduce groups of Sycamore trees (G1) by 4m

    Harepark House Bibbs Hall Lane Welwyn AL6 9BY

    Received 10 Mar 2020
  11. Decided - Granted6/2022/0872/HOUSE

    Erection of a new single storey outbuilding/ home office in rear garden

    4 The Downs Hatfield Hertfordshire AL10 8JP

    Received 12 Apr 2022
  12. Decided - GrantedS6/2005/1253/AD

    INSTALLATION OF ILLUMINATED AND NON-ILLUMINATED ADVERTISEMENT SIGNS

    ASDA, 98 TOWN CENTRE, HATFIELD, HERTFORDSHIRE, AL100JP

    Received 6 Oct 2005
  13. Decided - Granted6/2015/2412/EM

    Dead and Dangerous tree application - Removal of Acacia tree and Eucalyptus tree

    65 Mill Green Road, Welwyn Garden City, AL7 3UX

    Received 1 Dec 2015
  14. Decided - GrantedS6/2013/0999/TP

    Crown reduce oak T1 by 30% covered by TPO241

    5 Minster Close, HATFIELD, AL10 9JN

    Received 15 May 2013
  15. Decided - GrantedS6/2009/2513/DS

    DISCHARGE OF CONDITIONS OF PLANNING PERMISSION S6/1999/1064/OP AND S6/2009/0891/MA

    BOVIS DEVLOPMENT, SALISBURY VILLAGE, COMET WAY, HATFIELD, HERTFORDSHIRE, AL10 0YA

    Received 2 Dec 2009
  16. Decided - GrantedN6/2014/2618/FP

    Erection of two storey side and rear extension, front dormer window, covered porch and mono pitched roof to existing flat roof

    2 Spindleberry Close Oaklands Welwyn AL6 0SJ

    Received 1 Dec 2014
  17. Decided - Refused6/2022/0130/FULL

    Erection of a two storey detached dwelling following demolition of existing dwelling and outbuilding

    133 The Ridgeway Cuffley Potters Bar EN6 4BG

    Received 19 Jan 2022
  18. DecidedN6/2012/1510/TE

    Reduction of Conifer crown by 50%

    2 Holwell Road Welwyn Garden City AL7 3RB

    Received 25 Jul 2012
  19. Decided - Withdrawn6/2019/2050/HOUSE

    Erection of two storey outbuilding for storage, car parking, gym and games room

    Burnham Wood Cottage 102 Harmer Green Lane Digswell Welwyn AL6 0ES

    Received 16 Aug 2019
  20. Decided - GrantedS6/2007/1947/FP

    ERECTION OF TWO STOREY REAR EXTENSION TO CREATE FOUR ADDITIONAL BEDROOMS

    OAK COTTAGE CARE HOME, 4 WILKINS GREEN LANE, HATFIELD, HERTFORDSHIRE, AL10 9RT

    Received 19 Dec 2007
  21. Decided - Refused6/2022/1252/LAWP

    Certificate of Lawfulness for the erection of an outbuilding to accommodate a swimming pool

    75 Pine Grove Hatfield AL9 7BL

    Received 27 May 2022
  22. Decided - Granted6/2021/1976/HOUSE

    Erection of single storey front, side and rear extension, with alterations to existing roof.

    33 The Meadway Cuffley Potters Bar EN6 4ET

    Received 29 Jun 2021
  23. Decided - GrantedN6/2009/2132/FP

    REMOVAL OF EXISTING SOIL PIPE AND REPLACE WITH A 10cm (4 INCH) BLACK PLASTIC SOIL PIPE

    57 VALLEY ROAD, WELWYN GARDEN CITY, HERTS, AL8 7DH

    Received 24 Sept 2009
  24. Decided - GrantedS6/2009/1582/FP

    FORMATION OF NEW SHOP FRONT

    27 BRADMORE GREEN, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7QR

    Received 23 Jul 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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  • 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