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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
34,926Searchable applications
313Recorded as pending
87%Approval rate · 29,083 approved or refused records
3,881Refused applications

25,202 approved · 3,881 refused · 1,819 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 22 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/0501/ADV

    Installation of 1x part illuminated fascia sign

    11 Bessemer Road Welwyn Garden City AL7 1HB

    Received 14 Mar 2017
  2. Decided - Granted6/2016/2061/FULL

    Reconstruction of industrial unit

    21 Fiddlebridge Lane Hatfield AL10 0SP

    Received 4 Oct 2016
  3. Decided - Granted6/2016/0363/DC3

    Temporary change of use for 12 months from community resource centre (sui-generis) to B1a neighbourhood housing office

    1 Town Centre, Hatfield, AL10 0JZ

    Received 4 Mar 2016
  4. Decided - Granted6/2021/1555/ADV

    Installation of 4 x internally illuminated fascia signs and 1 x internally illuminated double-sided pylon.

    1 Great North Road Hatfield AL9 5JA

    Received 17 May 2021
  5. Decided - Refused6/2019/0987/FULL

    Erection of 1x dwelling following the demolition of existing portal framed storage building (Class B8)

    Cuffley Hills Barn, The Ridgeway, Cuffley, EN6 4AY

    Received 24 Apr 2019
  6. Decided - Refused6/2021/3439/LAWP

    Certificate of Lawfulness for the erection of a single storey rear extension and extension of existing loft conversion to include alteration of roof from dutch hip to gable end, insertion of 3 x front facing roof lights and erection of rear facing dormer.

    1 The Bungalows Suttons Farm Woodcock Hill St Albans AL4 9HJ

    Received 8 Dec 2021
  7. Decided - GrantedS6/2009/2189/FP

    ALTERATION TO FRONT ELEVATION TO INCLUDE INSERTION OF ADDITIONAL WINDOWS, RE-CLADDING OF FIRST FLOOR AND RAISING HEIGHT OF ROOF, ENLARGEMENT OF FIRST FLOOR OFFICE SPACE AND ALTERATIONS TO PARKING AREA

    UNIT 1 WOODSIDE LANE, HATFIELD, HERTFORDSHIRE, AL9 6DG

    Received 14 Oct 2009
  8. Decided - Granted6/2021/0792/HOUSE

    Erection of first floor side extension

    18 Mardley Hill Welwyn AL6 0TN

    Received 11 Mar 2021
  9. Decided - GrantedN6/2014/1142/LUE

    The replacement and resiting of garage storage area and outbuilding with an annex

    34 Reynards Road Welwyn AL6 9TP

    Received 21 May 2014
  10. Decided - Refused6/2023/1193/LAWP

    Certificate of lawfulness for a proposed detached building

    3 Holwell Manor Cottages Essendon Hill Essendon Hatfield AL9 6AE

    Received 5 Jun 2023
  11. Decided - Withdrawn6/2022/2221/HOUSE

    Installation of solar panels on south facing roof

    8 Pitsfield Welwyn Garden City AL8 7SJ

    Received 26 Sept 2022
  12. Decided - Granted6/2017/1029/VAR

    Variation of conditions 1 & 17 (plans), 5 (flood risk assessment) and 6 (flooding storage of surface run off) on planning permission 6/2016/2146/VAR

    20 Black Fan Road Welwyn Garden City AL7 1QA

    Received 12 May 2017
  13. Decided - GrantedN6/2009/1722/DS

    DISCHARGE OF CONDITION 3 (SAMPLES OF MATERIALS) FROM PLANNING PERMISSION N6/2009/0185/FP

    14 Roman Way Welwyn AL6 9RJ

    Received 7 Aug 2009
  14. Decided - Refused6/2022/2116/HOUSE

    Alterations to the existing roof to include a rear dormer, extending part of the existing hipped roof to form a gable and new front rooflight.

    11A Chestnut Walk Welwyn AL6 0SB

    Received 12 Sept 2022
  15. Decided - GrantedN6/2008/2225/LU

    CERTIFICATE OF LAWFULNESS FOR THE PROPOSED INSERTION OF TWO SIDE DORMERS WINDOWS

    3 Hazel Close Digswell Welwyn AL6 0DJ

    Received 19 Nov 2008
  16. Decided - GrantedW6/2015/0949/EM

    Erection of single storey rear extension and new garage following demolition of existing sun room and garage

    26 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 1 May 2015
  17. Decided - Granted6/2015/1830/HOUSE

    Erection of a new front porch, single storey front extension to incorporate new garage, conversion of existing garage to habitable room and a two storey rear extension

    145 Tolmers Road, Cuffley, Potters Bar, EN6 4JW

    Received 28 Aug 2015
  18. Decided - Granted6/2019/0239/HOUSE

    Erection of single storey side infill extension with pitched roof on existing extension

    17 Turpins Chase Welwyn AL6 0QZ

    Received 4 Feb 2019
  19. Decided - Granted6/2016/2681/EM

    Fell Thorn tree, Thin Ash tree by 15% and remove deadwood and thin Hornbeam by 15% and lift by 3 metres

    28 Guessens Road Welwyn Garden City AL8 6RA

    Received 19 Dec 2016
  20. Decided - GrantedS6/2014/2742/DS

    Approval of details reserved by conditions 3 (materials), 6 (external lighting - MUGA), 11 (signage and traffic flow) and 16 (construction and demolition plan) of S6/2015/0016/S73A

    Bishops Hatfield Girls School, Woods Avenue, Hatfield, AL10 8NL

    Received 22 Dec 2014
  21. Decided - WithdrawnN6/2014/0737/FP

    Erection of single storey side & rear extension and part two storey, part single storey rear extensions and installation of two rooflights

    82 Attimore Road, Welwyn Garden City, AL8 6LP

    Received 9 Apr 2014
  22. Decided - GrantedN6/2008/2284/FP

    ERECTION OF REAR CONSERVATORY

    44 Parkside Welwyn AL6 9DQ

    Received 24 Nov 2008
  23. Decided - Granted6/2021/1244/PN11

    Prior approval for change of use from offices (Class B1(a)) to dwellinghouses (Class C3) to create 8 flats

    Andre House 19-25 Salisbury Square Hatfield AL9 5BT

    Received 16 Apr 2021
  24. Decided - Granted6/2026/0013/COND

    Submission of details pursuant of condition 2 (tree planting plan) on planning permission 6/2025/1163/HOUSE

    3 New Place Welwyn AL6 9QA

    Received 5 Jan 2026

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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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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