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
36,279Searchable applications
333Recorded as pending
86%Approval rate · 30,229 approved or refused records
4,129Refused applications

26,100 approved · 4,129 refused · 1,916 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 24 Oct 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2023/0847/TC

    T1 - Multi-stemmed Ash- To crown reduce all round by 3-4 metres to maintain size and shape T2 - Apple x 2 - To prune back to previous pruning points approx. 1-2 metres to maintain size and shape

    84 Attimore Road Welwyn Garden City Hertfordshire AL8 6LP

    Received 20 Apr 2023
  2. Decided - Refused6/2018/1153/FULL

    Change of use of property from shop (A1) to ice cream/dessert parlour (A1/A3) and erection of single storey rear canopy seating area

    8 Harpsfield Broadway Hatfield AL10 9TF

    Received 2 May 2018
  3. Decided - Refused6/2019/1476/LAWE

    Certificate of lawfulness for an existing C4 HMO

    13 Coney Close Hatfield AL10 8PR

    Received 10 Jun 2019
  4. Decided - Granted6/2016/1331/FULL

    Erection of concrete based timber summerhouse and change of use of land to C3 (residential)

    25 Chantry Lane Hatfield AL10 9HS

    Received 1 Jul 2016
  5. Decided - Granted6/2019/1969/LAWP

    Certificate of lawfulness for the proposed use of office (B1)

    Second Floor Titan Court 3 Bishops Square Hatfield

    Received 8 Aug 2019
  6. Decided - Refused6/2022/2690/LAWP

    Certificate of lawfulness for proposed loft conversion with two side facing box dormers with four rooflights, installation of front and rear gable windows.

    9 Sterling Court Mundells Welwyn Garden City AL7 1FZ

    Received 25 Nov 2022
  7. Decided - Granted6/2021/2159/PN27

    Prior approval for construction of an additional storey to facilitate the enlargement of the dwelling house to a maximum of approximately 7.2m in height

    Tylersley Farm Tylers Causeway Newgate Street Hertford SG13 8QN

    Received 16 Jul 2021
  8. Decided - GrantedN6/2014/1200/TP

    Crown and reduce Hornbeam by 30% covered by TPO 99 G1

    16 Oak Piece Welwyn AL6 0XE

    Received 29 May 2014
  9. Decided - Granted6/2023/2094/HOUSE

    Erection of two storey side extension, front bay window, front porch and first floor side window. The proposal also includes the alterations to openings to facilitate garage conversion into habitable space.

    22 Hanyards Lane Cuffley Potters Bar EN6 4AT

    Received 16 Oct 2023
  10. Decided - Granted6/2019/1743/HOUSE

    Erection of outbuilding

    83 Stonecross Road Hatfield AL10 0HW

    Received 15 Jul 2019
  11. Decided - Granted6/2016/0910/FULL

    Replacement of 8no floodlights

    Welwyn Rugby Football Club, Hobbs Way, Welwyn Garden City, AL8 6HX

    Received 11 May 2016
  12. Decided - Granted6/2016/2555/EM

    Reduce Hornbeam tree by upto 3m and Silver Birch tree by upto 1m

    29 Windhill Welwyn Garden City AL7 1RH

    Received 29 Nov 2016
  13. Decided - Granted6/2020/0962/EM

    Erection of first-floor side extension and single-storey rear extension following demolition of conservatory

    46 Crossway Welwyn Garden City AL8 7EE

    Received 29 Apr 2020
  14. Decided - Granted6/2022/2304/EMT

    The property is not number 25 its over the back of the block of flats overhanging number 111 Handside Lane 1 x Ash Branch to remove back to main trunk (see annotated pic)

    Street Record Barnside Court Welwyn Garden City AL8 6TL

    Received 3 Oct 2022
  15. Decided - Withdrawn6/2016/0394/FULL

    Erection of 2no dwellinghouses following demolition of existing buildings

    The Spinney, High Road, Essendon, Hatfield, AL9 6HT

    Received 9 Mar 2016
  16. Decided - GrantedN6/2009/1602/TC

    REMOVAL OF LOWER LIMBS AND CUTTING BACK FROM NEIGHBOURING PROPERTY ON PLUM TREE AND REDUCTION OF HEIGHT BY 30% ON TWO SYCAMORE TREES

    GUESSENS COURT, GUESSENS ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE

    Received 29 Jul 2009
  17. Decided6/2026/1302/TC

    Remove dead cherry tree in front garden.

    105 Handside Lane Welwyn Garden City AL8 6SP

    Received 24 Jul 2026
  18. Appeal Decided - Allowed6/2022/0756/HOUSE

    Installation of a vehicular access, crossover and hardstanding; and erection of boundary wall, railing, sliding gate and pedestrian gate

    18 St Albans Road East Hatfield Hertfordshire AL10 0EH

    Received 29 Mar 2022
  19. Decided - Granted6/2015/2110/HOUSE

    Erection of single story conservatory to rear of property

    254 Howlands, Welwyn Garden City, AL7 4HF

    Received 12 Oct 2015
  20. Decided - Granted6/2016/2009/LAWP

    Certificate of lawfulness for a hip to gable roof conversion with rear dormer

    67 Heathcote Avenue Hatfield AL10 0RQ

    Received 29 Sept 2016
  21. Decided - Granted6/2016/0728/EM

    Erection of a single storey part two storey rear extension and alterations to openings

    57 Digswell Rise, Welwyn Garden City, AL8 7PT

    Received 5 Apr 2016
  22. Decided - Refused6/2021/1439/PN9

    Prior approval for the change of use from incidental storage area (A1) to one bedroom flat (C3).

    18 Station Road Cuffley Potters Bar EN6 4HT

    Received 7 May 2021
  23. Decided - Granted6/2024/0036/FULL

    Erection of a part two storey, part single storey rear extension and a single storey side extension, following demolition of the existing side element

    68 Hillcrest Hatfield AL10 8HG

    Received 5 Jan 2024
  24. Decided - RefusedW6/2013/1657/EM

    Relocation of existing shed and erection of a summer house (Office use) to rear of the property

    14 Autumn Grove, Welwyn Garden City, AL7 4DB

    Received 1 Aug 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

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
  • 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

    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