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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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2013/1983/TC

    Reduce Damson tree by 50% and cut Pear tree back to main branches

    24 Blakemere Road, Welwyn Garden City, AL8 7PJ

    Received 6 Sept 2013
  2. Decided - Granted6/2017/0808/FULL

    Installation of railings between pillars to restrict access to the main entrance.

    Applecroft Primary School Applecroft Road Welwyn Garden City AL8 6JZ

    Received 20 Apr 2017
  3. Decided - RefusedS6/2009/0889/LB

    RETENTION OF SMOKING SHELTER AND FENCING TO REAR AND PICKET FENCING TO FRONT AND SIDE BOUNDARIES

    The Hope And Anchor 2 Station Road Welham Green Hatfield AL9 7PJ

    Received 1 May 2009
  4. Decided - Granted6/2017/1306/HOUSE

    Erection of a single storey side and part rear extension with alterations to openings

    10 Warren Way Digswell Welwyn AL6 0DH

    Received 15 Jun 2017
  5. Decided - Granted6/2016/0128/EM

    Replace existing patio doors with bi-fold doors. Enlargement of opening on rear elevation and insertion of bi-fold doors and removal of existing window

    12 The Links, Welwyn Garden City, AL8 7DS

    Received 25 Jan 2016
  6. Decided - Granted6/2018/2203/HOUSE

    Erection of single storey side extension

    Hatfield Lodge Newgate Street Hertford SG13 8NH

    Received 24 Aug 2018
  7. Decided6/2020/1578/TC

    Fell 2x Conifer trees (labelled A and Dead) Reduce 2x Conifer trees by 33% (labelled B and C)

    23 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 2 Jul 2020
  8. Appeal Decided - DismissedS6/2008/2224/MA

    CHANGE OF USE OF LAND TO C3 DWELLING HOUSES, EXTENSIONS AND CONVERSION OF BARN TO CREATE SIX BED DWELLING PLUS STAFF ACCOMMODATION. ERECTION OF FOUR TWO STOREY DWELLINGS COMPRISING OF; 1X THREE BED, 1 X FOUR BED, 2 X FIVE BED DWELLINGS AND ANCILLARY CAR PARKING AND LANDSCAPING FOLLOWING DEMOLITION OF EXISTING BUILDINGS

    COLESDALE FARM, 26 NORTHAW ROAD WEST, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4QZ

    Received 7 Nov 2008
  9. Decided - GrantedN6/2013/2706/LB

    Removal of gallery building that links Maran House to Maran Cottage and reinstatement of Maran Cottage as a seperate dwelling. 2 conservation style velux windows to Maran Cottage and 2 new dormers to Maran House. Internal alterations to Maran Cottage, new bridge over river Mimram and new boundary between properties.

    Maran House 56 Hertford Road Digswell Welwyn AL6 0BX

    Received 12 Dec 2013
  10. Decided - GrantedW6/2014/0249/TE

    Crown reduce Oak tree by 25%

    46 Woodland Rise, Welwyn Garden City, AL8 7LF

    Received 4 Feb 2014
  11. Decided - Granted6/2020/0309/EM

    Replacement of hard and soft landscaping

    7 Valley Road Welwyn Garden City AL8 7DG

    Received 4 Feb 2020
  12. Decided - SplitS6/2013/0502/DS

    Discharge of conditions 4 (External Materials) and 9 (Surface Materials) from planning permission S6/2012/1181/MA

    University of Hertfordshire, College Lane, HATFIELD, AL10 9AB

    Received 8 Mar 2013
  13. Decided - Granted6/2018/1356/FULL

    Installation of an HVAC and soundproof generator to be installed to existing industrial unit with Armco protection included

    Equinox, Unit L City Park Watchmead Welwyn Garden City AL7 1LT

    Received 22 May 2018
  14. Decided - Granted6/2023/1599/EM

    Replacement of existing windows and rear patio door with upvc white windows with bars and installation of white upvc soffits to replace existing

    26 Sheepcote Welwyn Garden City AL7 4QD

    Received 1 Aug 2023
  15. Appeal Decided - AllowedN6/2008/0827/FP

    DEMOLITION OF EXISTING DWELLINGS & GARAGE BLOCK AND ERECTION OF 7 DWELLINGS & ASSOCIATED GARAGING, PARKING & LANDSCAPING

    21, 23 & 25 School Lane Welwyn AL6 9PQ

    Received 24 May 2008
  16. Decided - Granted6/2025/2120/HOUSE

    Erection of a first-floor rear extension and single storey front extension

    12 Sycamore Avenue Hatfield AL10 8LZ

    Received 6 Oct 2025
  17. Decided - GrantedW6/2013/2681/EM

    Erection of rear conservatory following removal of existing

    43 Bridge Road, Welwyn Garden City, AL8 6UG

    Received 24 Dec 2013
  18. Decided - Granted6/2021/3536/COND

    Submission of details pursuant of conditions 6 (surface water drainage), 7 (renewable energy), 8 (landscape and biodiversity) and 11 (roads, footways, splays, access, turning) on planning permission 6/2018/3233/OUTLINE

    First House and Hyde Valley House, Hyde Valley, Welwyn Garden City, AL7 4NE

    Received 22 Dec 2021
  19. Decided - Granted6/2017/0544/EM

    Crown reduce two Crab Apple trees by upto 40%

    176 Blythway Welwyn Garden City AL7 1DU

    Received 17 Mar 2017
  20. Decided - GrantedS6/2013/1371/TP

    Crown lift to 5mtrs over site Oak covered by TPO 423

    Former Three Valleys Water Site, Bishops Rise, Hatfield, AL10 9HJ

    Received 2 Jul 2013
  21. Decided - Granted6/2017/1180/TPO

    Removal of overgrown 'dwarf' conifer - Conservation Area

    3 Homerfield Welwyn Garden City AL8 6QZ

    Received 30 May 2017
  22. Decided - GrantedN6/2013/2153/TP

    T11 & T12 Sweet Chestnut, crown reduce by 2-3m, linear length, G1 Sweet Chestnut reduce by 3-4m, T17 & T19 Cherry fell and T24 & T25, Sweet Chestnut reduce by 2-3m linear length covered by TPO 175

    12 Briary Wood Lane Welwyn AL6 0TF

    Received 8 Oct 2013
  23. Decided6/2021/2887/TC

    1 x Ivy Clad Cherry to fell to ground level. Tree is now dead, client wishes to remove and re plant

    128 Howlands Welwyn Garden City AL7 4RG

    Received 8 Oct 2021
  24. Decided - Granted6/2022/0263/TPO

    T1 - Apple tree - reduce by 30% due to poor health and deadwood and decay within the crown. TPO 24 A3 T2 - Oak tree - to reduce back to previous points, 20% crown reduction. TPO 641 (2017) T4 - Growing over the drive - Previous coppice, reduce the weight of the stems to prevent potential split outs at base T3 - Large Beech tree - to reduce by 30%. TPO 641 (2017) T16 - Very close to the house in the back garden - excessive shading - growing over neighbours garden a fair amount

    8 Mardley Heights Welwyn AL6 0TX

    Received 7 Feb 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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