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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/2548/FULL

    Erection of a detached 3-bedroom dwelling

    105 Great North Road Hatfield AL9 5LR

    Received 31 Aug 2021
  2. Decided - GrantedN6/2004/1346/FP

    FIRST FLOOR SIDE EXTENSION & REAR CONSERVATORY

    90 Pentley Park Welwyn Garden City AL8 7SG

    Received 6 Sept 2004
  3. Decided - RefusedN6/2008/2028/FP

    CHANGE OF USE FROM A1 (RETAIL) TO A2 (EMPLOYMENT AGENCY)

    25 WIGMORES NORTH, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6PG

    Received 22 Oct 2008
  4. Decided - Refused6/2021/2212/EM

    Construction of 2x two-storey detached houses and associated parking and access on the land to the rear of 52 & 54 Bridge Road.

    54 Bridge Road Welwyn Garden City AL8 6UR

    Received 21 Jul 2021
  5. Decided - Granted6/2025/2435/EM

    Erection of a part single and part two storey rear extension and loft conversion

    22 Digswell Road Welwyn Garden City AL8 7PA

    Received 21 Nov 2025
  6. Decided - Granted6/2016/2350/VAR

    Variation of condition 10 (B1(a) Use Class only) on planning permission S6/2008/1713/FP to allow use of the site for Class B1 (Business) use and the restoration, repair, servicing, and the indoor display of classic / prestige motor vehicles with ancillary offices and storage (Sui Generis)

    Essendonbury Farm Essendon Hill Essendon Hatfield AL9 6AF

    Received 8 Nov 2016
  7. Decided - WithdrawnS6/2013/1809/FP

    Erection of two new semi detached dwellings

    1 Roe Green Close, Hatfield, AL10 9PD

    Received 22 Aug 2013
  8. Decided - Granted6/2015/2430/HOUSE

    Erection of a single and two storey front extension

    2 Mardleybury Court, Woolmer Green, Knebworth, SG3 6LP

    Received 8 Dec 2015
  9. Decided - Granted6/2015/1798/TC

    Reduce Hornbeam tree by 3m

    54 Blakemere Road, Welwyn Garden City, AL8 7PJ

    Received 24 Aug 2015
  10. Decided - Granted6/2021/2198/EMH

    Erection of a part two storey rear and single storey side/rear extension

    181 Howlands Welwyn Garden City AL7 4RL

    Received 20 Jul 2021
  11. Decided6/2025/0382/TC

    Re-pollard 4 x Limes back to previous pruning points

    2 Palmerston Close Welwyn Garden City AL8 7DL

    Received 27 Feb 2025
  12. Decided - GrantedW6/2014/2075/TE

    Reduce 5 Beech trees by upto 20%

    4 Blakemere Road, Welwyn Garden City, AL8 7PJ

    Received 19 Sept 2014
  13. Decided - SplitS6/2014/1919/AD

    Installation of 3 fascia signs

    Red Lion Hotel 88 Great North Road Hatfield AL9 5EU

    Received 28 Aug 2014
  14. Decided - Granted6/2021/3516/HOUSE

    Erection of a single storey side infill extension and a single storey rear extension.

    3 Pentley Park Welwyn Garden City AL8 7RT

    Received 20 Dec 2021
  15. Decided - Granted6/2016/2428/EM

    Crown reduction of 20% and associated trimming to Cedrus Deodara tree

    36 High Oaks Road Welwyn Garden City AL8 7BH

    Received 14 Nov 2016
  16. Decided6/2020/2361/TC

    Reduce 1 x Horse Chestnut by 4m height & 2.5m width

    The Doves Hill Farm Lane Welwyn AL6 9BU

    Received 15 Sept 2020
  17. Decided - Granted6/2017/0194/LAWE

    Certificate of lawfulness for commencement of works on single residential dwelling following planning permission N6/2013/2535/FP

    14 Chestnut Walk Welwyn AL6 0SB

    Received 1 Feb 2017
  18. Appeal Decided - AllowedS6/2013/2607/FP

    Erection of two storey front extension

    12 Glebe Cottages, Essendon, Hatfield, AL9 6HQ

    Received 9 Dec 2013
  19. Appeal Decided - Dismissed6/2024/2427/FULL

    Construction of a three storey block of 6 x 2 bedroom apartments with parking and landscaped gardens, following the demolition of the existing bungalow

    Heathfield Lodge Great North Road Little Heath Potters Bar EN6 1JD

    Received 23 Dec 2024
  20. Decided - Refused6/2018/3064/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension and loft conversion

    17 Frampton Road Little Heath Potters Bar EN6 1JF

    Received 30 Nov 2018
  21. Decided - RefusedN6/2007/0188/FP

    REPLACEMENT OF TIMBER OUTBUILDING WITH SINGLE STOREY SIDE EXTENSION

    10 Brockett Close Welwyn Garden City AL8 7BN

    Received 5 Feb 2007
  22. Decided6/2018/1800/TPO

    Fell 1 x Laburnum tree - conservation area

    30 High Oaks Road Welwyn Garden City AL8 7BH

    Received 5 Jul 2018
  23. Decided - Granted6/2016/0649/HOUSE

    Erection of a first floor side extension

    6 St Marys Close Welwyn AL6 9RL

    Received 7 Apr 2016
  24. Decided - Granted6/2025/1058/TPO

    Reduce 1 x Oak by 30% Crown reduction (T12) and crown lift to 4m from ground level Reduce 1 x Ash by 20% (G2) Reduce 1 x Oak by 20% (G2) Covered by TPO 643

    16 Marlborough Close Welwyn AL6 0UG

    Received 5 Jun 2025

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

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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

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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.

Check collection coverage