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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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2019/0511/EM

    Various works to Trees Reduce Crown height 1x Magnolia (T1) by 1 metre and crown thinning by 30% Fell 1x Unknown Species (T2)

    3 Newfields Welwyn Garden City AL8 6YS

    Received 7 Mar 2019
  2. Decided - Granted6/2016/1279/EM

    Erection of single storey rear and side extensions

    28 Springfields, Welwyn Garden City, AL8 6XP

    Received 27 Jun 2016
  3. Decided - GrantedC6/1987/7017/AD

    Non illuminated projecting sign

    28-40 Stonehills, Welwyn Garden City, AL8 6NH

    Received 1 Jan 1987
  4. Decided - Granted6/2025/2123/EM

    Reconfiguration of external front steps, terrace, side and rear internal areas including a small single storey rear extension

    93 Pentley Park Welwyn Garden City AL8 7SL

    Received 6 Oct 2025
  5. Decided - RefusedN6/2014/1627/FP

    Erection of single storey side extension following removal of existing conservatory

    81 Caponfield, Welwyn Garden City, AL7 4AW

    Received 17 Jul 2014
  6. Decided - GrantedW6/2005/1305/EM

    SINGLE STOREY REAR EXTENSION

    6 Mannicotts, Welwyn Garden City, AL8 7BW

    Received 14 Oct 2005
  7. Decided - Granted6/2026/0445/HOUSE

    Erection of single storey rear and garage extension

    7 Bennett Close Welwyn Garden City AL7 4JA

    Received 11 Mar 2026
  8. Decided - Granted6/2017/0882/TPO

    8 limes trees (G2) to top (reduce in height) by 3m and crown reduce (radius) by up to 3m an oak (T3) covered by TPO 4.

    90 Moffats Lane Brookmans Park Hatfield AL9 7RW

    Received 27 Feb 2017
  9. Decided - Refused6/2023/0886/TPO

    T448 Scots Pine - Remove to ground level. G3 Ash - Remove to ground level

    Wilshere Park Digswell Hill Welywn Garden City AL6 9FU

    Received 26 Apr 2023
  10. Decided - RefusedN6/2013/1072/DS

    Discharge of condition 3 (materials) of planning permission N6/2013/0279/FP - Erection of part single, part two storey extensions to rear, and garage conversion, loft conversion with dormer to rear and insertion of first floor side window

    58 Attimore Road, WELWYN GARDEN CITY, AL8 6LP

    Received 20 May 2013
  11. Decided - Granted6/2021/2890/LAWP

    Certificate of lawfulness for erection of a single storey rear extension

    33 The Avenue Welwyn AL6 0PW

    Received 8 Oct 2021
  12. Decided - Granted6/2021/1579/HOUSE

    Erection of a single storey rear infill extension with alterations to existing single storey rear extension roof.

    115 Peplins Way Brookmans Park Hatfield AL9 7UT

    Received 18 May 2021
  13. Decided - Granted6/2015/2040/PN15

    Prior approval for the replacement of 15m monopole and 1no additional equipment cabinet

    Birchwood Leisure Centre, Longmead, Hatfield, AL10 0AN

    Received 2 Oct 2015
  14. Decided - Granted6/2022/2535/HOUSE

    Erection of single storey rear extension with alterations to doors and windows and hard landscaping works

    110 Harwood Hill Welwyn Garden City AL8 7AJ

    Received 7 Nov 2022
  15. Decided - Refused6/2025/1437/LAWP

    Certificate of lawfulness for the erection of new garage following demolition of existing garage

    6 Firway Welwyn AL6 0RD

    Received 7 Jul 2025
  16. Decided - Granted6/2023/2568/EM

    Conversion of existing garage and erection of a single storey rear and side extension to replace existing outbuilding

    3 Archers Ride Welwyn Garden City AL7 4PR

    Received 28 Dec 2023
  17. Decided - GrantedW6/2008/1442/EM

    RETENTION OF SUMMERHOUSE IN REAR GARDEN

    48 GREAT GANETT, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3DE

    Received 15 Aug 2008
  18. Decided - Granted6/2025/2462/HOUSE

    Erection of an outbuilding (retrospective)

    61 Moffats Lane Brookmans Park AL9 7RT

    Received 25 Nov 2025
  19. Decided - GrantedS6/2009/2102/DS

    DISCHARGE OF CONDITION 3 (LANSCAPING/BOUNDARY TREATMENT) FROM PLANNING PERMISSION S6/2009/1369/FP

    17 EAST RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4AW

    Received 28 Sept 2009
  20. Under Consideration6/2026/1806/EM

    Installation of two external air-to-air heat pump units serving the kitchen, studio and bedroom, providing heating and cooling, with associated black pipework

    38 High Oaks Road Welwyn Garden City AL8 7BS

    Received 8 Oct 2026
  21. Decided - GrantedN6/2013/2694/FP

    Erection of first floor side extension and single storey rear extension

    6 The Links, Welwyn Garden City, AL8 7DS

    Received 16 Dec 2013
  22. Decided - Granted6/2025/1491/LAWP

    Certificate of lawfulness for extension of hardstanding

    7 Churchill Crescent Welham Green Hatfield AL9 7DQ

    Received 8 Jul 2025
  23. Decided - Granted6/2026/0949/LAWP

    Certificate of lawfulness for part single-storey and part two-storey rear extension, replacement window to side elevation, and block up the existing kitchen ground-floor side window

    16 Rosedale Welwyn Garden City AL7 1DR

    Received 29 May 2026
  24. Decided - Granted6/2020/2741/LAWP

    Certificate of lawfulness for the erection of a garden room at rear of garden

    6 Applecroft Road Welwyn Garden City AL8 6LA

    Received 21 Oct 2020

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

All planning guides

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    Planning application documents: what to read first

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    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.

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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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