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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
30,633Searchable applications
303Recorded as pending
87%Approval rate · 25,494 approved or refused records
3,354Refused applications

22,140 approved · 3,354 refused · 1,630 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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 - GrantedW6/2014/1672/EM

    Erection of single storey rear extension

    35 Longcroft Lane, Welwyn Garden City, AL8 6EB

    Received 23 Jul 2014
  2. Decided - Granted6/2016/1154/PN8

    Prior approval for the erection of single storey rear extension measuring 8m deep, 4m high and 4m eaves height

    West End Farm, West End Lane, Essendon, Hatfield, AL9 6AZ

    Received 9 Jun 2016
  3. Decided - Granted6/2017/0618/FULL

    Erection of a detached dwellinghouse following the demolition of existing

    58 Plough Hill, Cuffley, Potters Bar, EN6 4DS

    Received 21 Mar 2017
  4. Decided - Granted6/2022/1647/ADV

    Advertisement consent for business lettering to the front and a printed acrylic logo to the side elevation

    9-11 Church Street Welwyn Hertfordshire AL6 9LN

    Received 12 Jul 2022
  5. Decided - Granted6/2023/1683/ADV

    Retention of vinyl signs to front elevation (retrospective)

    43 Peartree Lane Welwyn Garden City AL7 3UA

    Received 11 Aug 2023
  6. Decided - Granted6/2019/1167/EM

    Erection of a single storey side & rear extension

    8 Bushey Close Welwyn Garden City AL7 3HD

    Received 15 May 2019
  7. Decided - Granted6/2023/2208/EM

    Installation of retractable awning on rear section of property

    6 The Quadrangle Welwyn Garden City AL8 6SG

    Received 30 Oct 2023
  8. Decided - Granted6/2016/0679/TPO

    Remove major deadwood and faulted stems from two Lombardy Poplar trees, raise Sycamore tree canopy to 3m plus fell four Sycamore trees, one Cherry tree and one Hawthorn tree and removal of wire from stem of Beech tree - Conservation Area

    21 Knightsfield, Welwyn Garden City, AL8 7JE

    Received 30 Mar 2016
  9. Decided6/2022/2121/TC

    1 x Bay to reduce width to existing hedge width, reduce height by 2.5m The tree is becoming far too large for the surrounding area. 1 x Tooner Sinensis to pre poison return approximately 4 weeks later to fell to ground level. The tree is damaging the fence.

    7 Attimore Close Welwyn Garden City Hertfordshire AL8 6LN

    Received 12 Sept 2022
  10. Decided - Granted6/2024/0060/COND

    Submission of details pursuant to condition 17 (car parking management plan) on planning permission 6/2019/2431/MAJ

    Link Drive Car Park Link Drive Hatfield AL10 8TY

    Received 9 Jan 2024
  11. DecidedN6/2014/1772/TC

    Removal of one Cedar tree, two Norway Spruce, a Cherry and a Horse Chestnut.

    Lower Meadow, Hill Farm Lane, Welwyn, Welwyn, AL6 9BW

    Received 5 Aug 2014
  12. Decided - GrantedS6/2014/2412/FP

    Change of use from Retail Unit (A1) to Estate Agent (A2)

    28 Salisbury Square, Hatfield, AL9 5JD

    Received 3 Nov 2014
  13. Decided6/2019/3108/TC

    Fell 1 x Ash

    302 Knightsfield Welwyn Garden City AL8 7NQ

    Received 9 Dec 2019
  14. Decided - Granted6/2025/2310/LAWP

    Certificate of lawfulness for the insertion of new door to side elevation, alterations to rear extension fenestration and insertion of skylights

    29 Warren Way Digswell Welwyn AL6 0DQ

    Received 31 Oct 2025
  15. Decided6/2018/3252/TPO

    Various Tree Works -Conservation area Reduce by 20% 2x Oak Trees (T1&T2) Re-Shape and Prune by 20% 1x Cherry (T3) Remove lower limbs (T4) Remove Deadwood to maintain good health on (T6,T7,T8 and T9) Reduce by 8ft Leylandi Hedge and laural (H2) reduce 2ft

    12 Sherrardspark Road Welwyn Garden City AL8 7JP

    Received 20 Dec 2018
  16. Decided - Granted6/2019/1711/HOUSE

    Raising of roof to facilitate loft conversion, demolition of chimney, installation rear dormer and alterations to openings

    6 Oaklea Welwyn AL6 0PU

    Received 11 Jul 2019
  17. Decided - GrantedN6/2014/1175/FP

    Addition of flank gable roof to existing dwelling and increase in height of existing chimney

    17 Codicote Road Welwyn AL6 9NF

    Received 23 May 2014
  18. Decided - Granted6/2021/2363/FULL

    Erection of a new single storey outbuilding for use as new site office

    Chancellors School Pine Grove Hatfield AL9 7BN

    Received 10 Aug 2021
  19. Decided - Granted6/2016/0959/TPO

    Crown reduce oak tree(T8) by 30%. Crown reduce Hornbeams (T5, T6 and T7) by 30% covered by TPO 214.

    20 Bracken Lane Welwyn AL6 0RB

    Received 17 May 2016
  20. Under Consultation6/2026/1821/HOUSE

    Erection of a part single storey and part two storey rear extension, garage conversion with replacement roof, installation of new front door and side access gate and alteration to fenestration.

    32 Hertford Road Digswell Welwyn AL6 0DB

    Received 9 Oct 2026
  21. Decided - Refused6/2020/0576/FULL

    Erection of dwelling

    48 The Ridgeway Cuffley Potters Bar EN6 4BA

    Received 28 Feb 2020
  22. Decided - GrantedS6/2014/0965/FP

    Erection of two storey side extension, single storey rear extension and replace existing flat roof with hipped roof to side elevation and existing front dormer window

    13 Church Close, Cuffley, Potters Bar, EN6 4LS

    Received 24 Apr 2014
  23. Decided - Granted6/2020/0050/EM

    Crown reduce 2x Oak trees by 30% (T1 and T2)

    4 Densley Close Welwyn Garden City AL8 7JX

    Received 10 Jan 2020
  24. Decided - RefusedS6/2014/2721/FP

    Erection of a detached dwelling with detached garage following demolition of existing stables

    Bell Bar Farm, Woodside Lane, AL9 6DE

    Received 22 Dec 2014

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

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

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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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