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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
40,295Searchable 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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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 - WithdrawnW6/2015/0500/TE

    Removal of Whitebeam tree

    14 Elm Gardens Welwyn Garden City AL8 6RY

    Received 9 Mar 2015
  2. Decided - Granted6/2022/0964/EMT

    Fell and replace six aging poplars

    135 Parkway Welwyn Garden City AL8 6JB

    Received 22 Apr 2022
  3. Decided - Granted6/2015/1660/COND

    Discharge of condtion 3 (Materials) of application N6/2015/0890/FP - Erection of two storey side extension following demolition of exisiting bathroom at 3 Junction Cottage.

    3 Junction Cottage Blakemere Road Welwyn Garden City AL8 7PH

    Received 3 Aug 2015
  4. Decided - Refused6/2021/0734/PN8

    Prior approval for the erection of a single storey rear extension measuring 4m in height, 8m in depth, 4m to the eaves

    Skyfield Manor West End Lane Essendon Hatfield AL9 6AX

    Received 5 Mar 2021
  5. Decided - Granted6/2020/0818/HOUSE

    Erection of two storey side and porch extension

    2 Rosecroft Lane Welwyn AL6 0UB

    Received 1 Apr 2020
  6. Decided - GrantedS6/2009/1438/FP

    ROOF ALTERATIONS INVOLVING GABLE ENDED EXTENSION OVER EXISTING REAR EXTENSION, FRONT DORMER, SIDE DORMER AND FOUR ROOFLIGHTS

    46 PLOUGH HILL, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4DS

    Received 9 Jul 2009
  7. Appeal Decided - Dismissed6/2019/2362/HOUSE

    Erection of a two storey side and rear extension

    49 Attimore Road Welwyn Garden City AL8 6LG

    Received 24 Sept 2019
  8. Decided - GrantedN6/2013/2498/FP

    Alterations to front extension to incorporate existing terraces within dwelling envelope together with associated internal works

    33-47 Hyde Valley, Welwyn Garden City, AL7 4NE

    Received 25 Nov 2013
  9. Decided - Granted6/2019/1395/HOUSE

    Erection of conservatory following demolition of existing

    3 Russellcroft Road Welwyn Garden City AL8 6QN

    Received 11 Jun 2019
  10. Decided - GrantedN6/2009/1776/LU

    CERTIFICATE OF LAWFULNESS FOR A PROPOSED SINGLE STOREY REAR EXTENSION

    122 HALDENS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1DG

    Received 12 Aug 2009
  11. Decided - GrantedW6/2004/0139/EM

    ERECTION OF A GROUND FLOOR REAR EXTENSION

    8 Cowper Road, Welwyn Garden City, AL7 3LS

    Received 28 Jan 2004
  12. Decided - Granted6/2023/2022/EMT

    Hornbeam (T1) crown lift by up to 3m to avoid obstructing footpath and cutback crown from property by 2m to provide sufficient clearance. Fell oak (T2) as a result of dysfunction at the base and crown which is leading to cracked and lifting bark around the diameter of the stem and bark delamination upwards to avoid the consequences of potential failure at the base, given the tree location and reduced amenity value as a result of dysfunction with major deadwood in the crown. Common hornbeam (T3) crown lift up to 3m to avoid obstructing footpath. Oak (T4) remove ivy from stem and deadwood for maintenance and future inspection.

    25 Pentley Park Welwyn Garden City AL8 7RT

    Received 2 Oct 2023
  13. Decided - Granted6/2017/1140/HOUSE

    Erection of a single storey rear extension

    129 Bramble Road Hatfield AL10 9SD

    Received 25 May 2017
  14. Decided - Granted6/2018/2284/HOUSE

    Erection of side and rear single storey extension, two storey rear extension, pitched roofs and first floor side window

    4 Stonemead Welwyn Garden City AL8 7LX

    Received 6 Sept 2018
  15. Decided - GrantedN6/2014/1087/FP

    Installation of a pitched roof to existing open brick log enclosure

    16 Turpins Chase Welwyn AL6 0RA

    Received 12 May 2014
  16. Decided - GrantedW6/2008/0851/EM

    ERECTION OF TWO STOREY REAR AND SINGLE STOREY SIDE EXTENSIONS

    27 BLYTHWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1DJ

    Received 29 May 2008
  17. Decided - Granted6/2020/3334/EMT

    Remove existing privet hedge due to continuous die back and replace with new Beech (Fagus Sylvatica) hedge

    Nos 1,3 & 3A Russellcroft Road Welwyn Garden City Herts

    Received 11 Dec 2020
  18. Decided - Granted6/2020/2534/HOUSE

    Erection of part single storey, part two storey rear extension following demolition of existing conservatory, and insertion of first floor window in side elevation

    42 Homestead Lane Welwyn Garden City AL7 4NF

    Received 1 Oct 2020
  19. Decided - WithdrawnS6/2013/0377/FP

    Alterations to elevation to include a new door to detached outbuilding

    17 Skimpans Close, Welham Green, HATFIELD, AL9 7PA

    Received 25 Feb 2013
  20. Decided - Refused6/2026/0804/HOUSE

    Erection of part single, part two storey side extension

    6 Marsden Road Welwyn Garden City AL8 6XZ

    Received 8 May 2026
  21. Decided - GrantedW6/2007/0399/EM

    PROPOSED LOFT CONVERSION.

    205 Handside Lane, Welwyn Garden City, AL8 6TE

    Received 9 Mar 2007
  22. Decided - Granted6/2022/1753/TPO

    Two beech trees (either end of a set of three) to crown lift to 4m above ground level, and to crown reduce western beech by 2m and eastern beech by 1.5m. (Amended) (TPO24 A3)

    15 Mardley Hill Welwyn AL6 0UE

    Received 26 Jul 2022
  23. Decided - Split6/2018/1985/COND

    Submission of details pursuant to condition 8 (external lighting scheme), 12 (access gates) and 13 (vehicle access) on planning permission 6/2017/2104/MAJ

    51 Bridge Road East Welwyn Garden City AL7 1JR

    Received 27 Jul 2018
  24. Decided - Granted6/2022/1813/LAWP

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

    83 Broad Acres Hatfield Hertfordshire AL10 9LE

    Received 2 Aug 2022

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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