England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
31,725Searchable applications
303Recorded as pending
87%Approval rate · 26,494 approved or refused records
3,473Refused applications

23,021 approved · 3,473 refused · 1,675 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 19 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/2413/TPO

    1 x Aesculus (Sweet Chestnut) reduce by approximately 4m. 1 x Fraxinus (Ash) Cut sucker/self seeder adjacent to main butt, back to ground level.

    116 Dixons Hill Road Welham Green Hatfield AL9 7DN

    Received 19 Sept 2018
  2. Decided - Granted6/2025/0880/HOUSE

    Erection of single storey rear orangery

    16 Brocket Road Welwyn Garden City AL8 7TY

    Received 14 May 2025
  3. Decided - Withdrawn6/2017/2515/HOUSE

    Erection of outbuilding for use as games room following the demolition of existing

    Paynes Farm New Road Woolmer Green Knebworth SG3 6LE

    Received 31 Oct 2017
  4. Decided - Granted6/2023/0865/EMT

    T1 - 1 x Western Red Cedar to fell to ground level - large evergreen tree close to boundary line. Causing a nuisance to neighbours by blocking light completely, starting to suppress the northern side of T2 T2 - Oak to reduce lateral branches in an easterly direction by up to 2m. The tree is suppressed on the western side due to the woodland and has developed large extended limbs towards the property. Aim would be to reduce back from property, this would help create a more balanced crown, more light into the back of the property and help with the neighbours grievances T3 - Oak to fell to ground level. Tree is in poor condition, large amounts of dead, overhanging neighbouring property T4 Holly to fell to ground level. Invasive woodland species, poor form extending largely into neighbours garden

    27 Reddings Welwyn Garden City AL8 7LA

    Received 24 Apr 2023
  5. Decided - Granted6/2022/2170/HOUSE

    Erection of single storey side and rear extension and alterations to garage roof and openings on front elevation.

    64 Moorlands Welwyn Garden City Hertfordshire AL7 4QG

    Received 20 Sept 2022
  6. Decided - Granted6/2024/0845/EM

    Erection of a storage/BBQ area at the rear of the garden

    15 Bedwell Close AL7 3XH

    Received 7 May 2024
  7. Decided - Granted6/2020/2455/EM

    Erection of a wooden gazebo

    15 Fern Grove Welwyn Garden City AL8 7ND

    Received 22 Sept 2020
  8. Decided - Refused6/2018/2090/HOUSE

    Installation of 1 front and 1 rear dormer window and 2 rooflights to facilitate loft conversion, erection of a single storey rear extension and installation of front window to facilitate conversion of garage to habitable space. Reduction in the size of the side window. Installation of rooflights into existing single storey rear extension. Construction of rear decking area, with associated steps and balustrades.

    16 Mardley Avenue Welwyn AL6 0UD

    Received 9 Aug 2018
  9. Decided - Granted6/2021/0836/EMH

    Proposed part single-storey and part two-storey side and rear extension

    3 Dognell Green Welwyn Garden City AL8 7BL

    Received 15 Mar 2021
  10. Decided - Withdrawn6/2025/0296/HOUSE

    Erection of part single storey, part two storey side and rear extensions, second storey front extension to create a double height entrance, roof alterations including loft conversion with dormer to form a terrace, alterations to hardstanding with new accesses and front boundary treatment as well as internal remodelling

    2 The Ridgeway Cuffley Potters Bar EN6 4AR

    Received 18 Feb 2025
  11. Under Consideration6/2025/2274/COND

    Submission of details pursuant to condition 1 (Landscaping details), condition 2 (External materials) and condition 5 (Landscape management and maintenance plan) on planning permission 6/2024/2383/FULL

    16 Cobmead Hatfield AL10 0JF

    Received 27 Oct 2025
  12. Decided - Granted6/2024/0997/EM

    Replacement windows and doors on front and rear elevations

    139 Peartree Lane, Welwyn Garden City, AL7 3AJ

    Received 29 May 2024
  13. Decided - Granted6/2020/3043/EM

    Replacement of two rear windows with a bifolding door and two flat glass roof lights to the flat roof

    22 Attimore Road Welwyn Garden City AL8 6LW

    Received 17 Nov 2020
  14. Decided - Granted6/2020/1228/HOUSE

    Erection of front boundary fence, part demolition of boundary wall and widening of the north-east entrance gate onto The Ridgeway

    37 The Ridgeway, Cuffley, Potters Bar, EN6 4BB

    Received 2 Jun 2020
  15. Decided - Refused6/2018/0547/COND

    Submission of details pursuant to condition 1 (waste and recycling storage), 2 (risk assessment related to contamination), 3 (approved scheme of remediation), 4 (scheme to monitor remediation), 7 (construction management plan), 10 (surface water drainage scheme) and 12 (landscaping details of green walls) on planning permission 6/2016/2690/MAJ, dated 20/04/2017

    Empire House Bessemer Road Welwyn Garden City AL7 1FY

    Received 23 Feb 2018
  16. Decided - Granted6/2020/2526/MAJ

    Erection of a five-storey academic building (Class F1(a) use) with roof plant level, landscaping and associated development.

    University Of Hertfordshire College Lane Hatfield AL10 9AB

    Received 30 Sept 2020
  17. Decided - Withdrawn6/2021/1003/COND

    Submission of details pursuant to condition 1 (noise impact assessments), on planning title 6/2018/3025/PN11

    Fountain House Parkway Welwyn Garden City AL8 6AL

    Received 26 Mar 2021
  18. Decided - Granted6/2018/0171/MAJ

    Creation of a mixed-use quarter comprising the erection of up to 1,340 residential dwellings including 414 (31%) affordable dwellings (Use Class C3); 114 extra care homes (Use Class C2); the erection of a civic building comprising 497 m² of health (Use Class D1), 497 m² of community use (Use Class D1), 883 m² of office (Use Class B1) and 590 m² of retail (Class A1/A2/A3/A4/A5); alterations, additions and change of use of Grade II Listed Building and retained Silos to provide 5,279 m² of flexible business floorspace (Use Class B1), 270 m² Combined Heat and Power (Sui Generis), 2,057 m² International Art Centre (Use Class D1), 1,235 m² Gymnasium (Use Class D2), 1,683 m² of restaurant/coffee shop/bar (Use Class A1/A3/A4/A5), Creche/Day Nursery (Use Class D1) of 671 m² as well as a Network Rail TOC Building (Use Class B1) of 360 m²; plus associated car parking, access, landscaping, public art and other supporting infrastructure.

    Former Shredded Wheat Factory Welwyn Garden City AL8 6UN

    Received 17 Jan 2018
  19. Decided - GrantedC6/1988/0735/FP

    Erection of a detached garage with studio above

    6 The Links, Welwyn Garden City, AL8 7DS

    Received 1 Jan 1988
  20. Decided - Refused6/2017/2975/LAWP

    Certifcate of lawfulness for Installation of a rear roof dormer, part conversion of garage, alterations to openings, flat canopy to front elevations.

    9 Hillside Way Welwyn AL6 0TY

    Received 28 Dec 2017
  21. Decided6/2025/1562/TC

    Purple Plum in front of log cabin - crown reduction Cornus tree on northwestern boundary of rear garden - crown reduction Row of Conifers on northwestern boundary - cut back and crown lift to 4m Neighbour's Ash tree on northeastern boundary - cut back to boundary Neighbour's Ash tree southeastern boundary - cut back to boundary Dead Acer tree - remove

    46 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 21 Jul 2025
  22. Decided - Granted6/2020/1944/EMH

    Replace and increase existing driveway

    52 Lemsford Lane Welwyn Garden City AL8 6YJ52

    Received 5 Aug 2020
  23. Under Consideration6/2026/1344/TC

    Fell 1 x Liquidambar styraciflua (sweet gum).

    24 Pentley Park Welwyn Garden City AL8 7SB

    Received 31 Jul 2026
  24. Decided - Granted6/2018/0510/EM

    Erection of a rear single-storey extension and installation of ground floor side window following demolition of existing rear conservatory and new reconfigured rear landscaping including revised path and patio design.

    66 Bridge Road Welwyn Garden City AL8 6UR

    Received 21 Feb 2018

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

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

All planning guides
  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • 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