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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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2020/2850/EMH

    Erection of extension to the rear

    68 Great Ganett Welwyn Garden City AL7 3DE

    Received 30 Oct 2020
  2. Decided - GrantedW6/2015/0813/TE

    Crown reduce Ash tree by 30%

    37 Lodgefield, Welwyn Garden City, AL7 1SD

    Received 13 Apr 2015
  3. Decided - GrantedW6/2004/0161/EM

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    97 Woodhall Lane, Welwyn Garden City, AL7 3TH

    Received 3 Feb 2004
  4. Decided - GrantedS6/2013/0699/TP

    Reduce 3 branches by 50% of Cedar T1 covered by TPO 12 (1971)

    1 Burleigh Mead Hatfield AL9 5ED

    Received 12 Apr 2013
  5. Decided - GrantedW6/2005/1527/EM

    ERECTION OF GREEN HOUSE TO REAR GARDEN TO REPLACE EXISTING

    26 Dellcott Close, Welwyn Garden City, AL8 7BD

    Received 8 Dec 2005
  6. Decided - GrantedS6/2013/2695/LUE

    Certificate of lawfulness for the proposed erection of side extension, increase width of dormer, double garage to side and outbuilding along with associated works

    The Orchards 28 Hawkshead Lane North Mymms Hatfield AL9 7TB

    Received 17 Dec 2013
  7. Decided - GrantedW6/2014/1417/EM

    Replacement hardstanding

    14 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 24 Jun 2014
  8. Under Consideration6/2025/1002/COND

    Submission of details pursuant to condition 26 (method used to control access at Halifax Way) on planning permission 6/2021/0516/VAR

    Land at Panshanger Welwyn Garden City AL7 2QJ

    Received 28 May 2025
  9. Decided - GrantedN6/2015/1131/FP

    Retention of 1 no. garage block. Erection of 5 no. three bedroom terraced dwellings with off-street parking following demolition of 7 no. garage blocks (totalling 57 no. garages)

    39 Great Ganett Welwyn Garden City AL7 3DB

    Received 29 May 2015
  10. Decided - Granted6/2021/3238/HOUSE

    Erection of a single storey extension, part two storey rear infill extension to include alterations to existing rear openings at first floor level

    136 Salisbury Road Welwyn Garden City AL7 3SA

    Received 12 Nov 2021
  11. Decided - Refused6/2025/0741/PN8

    Prior approval for the erection of a single storey flat roof extension measuring 8m in depth, 2.6m in height and 2.4m to the eaves

    19 The Avenue Welwyn AL6 0PW

    Received 17 Apr 2025
  12. Decided6/2023/1757/TC

    T4113 - Ash - Located in grounds on boundary - Remove hazardous deadwood G4118 - Mixed Species Group x 11 - Located in grounds on boundary - Hedge trim/reduce back to boundary roadside T4110 - Cherry - Located in grounds on boundary - Remove hazardous deadwood T3 - Oak - Located in grounds on boundary - Low over garden - Crown lift to approx 2.5m G11214 - Mixed Species Group x 28 - Located in grounds on boundary - Crown lift group to approx 2.5m and reduce lateral branches back to boundary both roadside and garden side where needed to provide clearance. Ash tree in group over extended over highway- Reduce to provide clearance removing up to 2.5m G4107 - Mixed Species Group x 4 - Located in grounds on boundary - Encroaching onto property - Reduce lateral branches to provide 1-1.5m clearance to property T4123 - Pear - Located in grounds on boundary - Crown reduce removing up to 2m T4122 - Apple - Located in grounds on boundary - Crown reduce removing up to 2m G4112 - Mixed Species Group x 8 - Located in grounds on boundary - Crown lift roadside to approx 2.5m and reduce lateral branches to clear phone cables by approx 1m Reason - Works are all for general maintenance purposes

    19 Meadow Green Welwyn Garden City AL8 6SS

    Received 21 Aug 2023
  13. Decided - Granted6/2017/0103/FULL

    Erection of single storey extension to the north elevation following demolition of 20th century extension

    Barn Theatre Barn Close Welwyn Garden City AL8 6ST

    Received 20 Jan 2017
  14. Decided - Granted6/2018/3078/VAR

    Variation of condition 13 (approved plans and drawing numbers) on planning permission 6/2016/1882/FULL

    Former Roche Products Site 40 Broadwater Road AL7 3AY

    Received 3 Dec 2018
  15. Decided - Granted6/2022/2082/EMT

    Silver birch to removal of branch currently touching house from tree and reduce tree in size by around 50%.

    17 Strawfields Welwyn Garden City AL7 1RB

    Received 7 Sept 2022
  16. Decided - Refused6/2019/0573/EM

    Expansion of Driveway

    3 Graysfield Welwyn Garden City AL7 4BL

    Received 12 Mar 2019
  17. Appeal Decided - DismissedS6/2015/0065/FP

    Demolition of existing dwelling and garage and creation of new residential development consisting of 4 no. Self contained maisonettes

    13 The Gardens, Brookmans Park, Hatfield, AL9 7UL

    Received 19 Jan 2015
  18. Decided - Granted6/2017/1100/PN8

    Prior Approval for erection of single storey rear extension measuring 5m in depth 3m in height and 2.7m to the eaves

    63 Cherry Way Hatfield AL10 8LF

    Received 22 May 2017
  19. Decided6/2022/0196/TC

    Reduce the height of 3 sycamore trees and one horse chestnut tree each by 40%.

    Land at Welwyn Hall Gardens Welwyn AL6 9LF

    Received 27 Jan 2022
  20. Decided - GrantedN6/2013/0294/TE

    Reduce three Ash trees by 30%

    95 Handside Lane, WELWYN GARDEN CITY, AL8 6SP

    Received 11 Feb 2013
  21. Decided - Granted6/2024/2395/EM

    Retrospective application - new roof complete after fire and internal decorations and plastering

    2 Palmerston Close Welwyn Garden City AL8 7DL

    Received 17 Dec 2024
  22. Decided - Granted6/2022/2138/HOUSE

    Erection of a single storey rear extension

    8 Frampton Road Little Heath Potters Bar Hertfordshire EN6 1JE

    Received 13 Sept 2022
  23. Decided - GrantedN6/2007/0300/FP

    ERECTION OF BOUNDARY FENCE TO INCLUDE RETAINING WALL, REPLACEMENT HEDGEROW, LEVELING OF GROUND WITH 31 BARLEYCROFT ROAD, AND REPLACEMENT PLANTING AT REAR BOUNDARY

    33 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 23 Feb 2007
  24. Decided - Granted6/2017/2198/EM

    Erection of first floor rear extension and installation of roof light and window to side elevation

    13 Brockswood Lane Welwyn Garden City AL8 7BA

    Received 26 Sept 2017

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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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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