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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
39,551Searchable applications
344Recorded as pending
86%Approval rate · 33,098 approved or refused records
4,731Refused applications

28,367 approved · 4,731 refused · 2,167 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedC6/1988/0609/FP

    Erection of a rear conservatory, brick arch and gate

    15 Wyton, Welwyn Garden City, AL7 2PE

    Received 1 Jan 1988
  2. Decided - GrantedS6/2015/0857/FP

    Erection of two storey rear extension

    12 East View, Essendon, Hatfield, AL9 6HJ

    Received 22 Apr 2015
  3. Decided - Granted6/2024/0141/TPO

    Hornbeam tree (3 Mardley Heights) to crown reduce overhanging branches by 30%. Beech tree (5 Mardley Heights) to crown reduce overhanging branches by 30%. Covered by TPO 24 A3.

    4 Mardley Heights Welwyn AL6 0TX

    Received 25 Jan 2024
  4. Decided - Granted6/2016/1246/HOUSE

    Erection of a two storey side extension, two storey rear extension, single storey side and rear extensions, alterations to windows and doors, internal alterations and alterations to the driveway including the widening of the vehicular crossover

    52 Sherrardspark Road, Welwyn Garden City, AL8 7LB

    Received 22 Jun 2016
  5. Decided - Granted6/2023/1157/TPO

    1 x Oak and 1 x Holly to trim back off 52 Howe Dell Hatfield dwelling and TV aerial by 1.5m The trees are physically encroaching onto the dwelling TPO 632 (2017) W1

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 31 May 2023
  6. Decided - Granted6/2018/1145/EM

    Erection of a single storey rear extension

    53 Peartree Lane Welwyn Garden City AL7 3UA

    Received 27 Apr 2018
  7. Decided - GrantedW6/2009/1755/EM

    ERECTION OF FIRST FLOOR SIDE EXTENSION, REMOVAL OF EXISTING CANOPY AND ERECTION OF NEW GLAZED ENTRANCE LOBBY

    250 HANDSIDE LANE, WELWYN GARDEN CITY, Hertfordshire, AL8 6TG

    Received 12 Aug 2009
  8. Decided - GrantedS6/2013/1131/DS

    Discharge of conditions 3 (surface material) 4 (hard and soft landscaping) and 5 (materials) of planning permission S6/2013/0411/FP

    Nolita Great North Road Brookmans Park Hatfield AL9 6NA

    Received 29 May 2013
  9. Decided - Granted6/2019/3157/COND

    Submission of details pursuant to conditions 2 (samples of materials) 3 (soft and hard landscaping) 7 (bicycle storage) 14 (bin storage) 15 (fire hydrants) 16 (accessibility) and 17 (construction method statement) on planning permission 6/2019/1937/VAR

    37 Church Street Welwyn AL6 9LS

    Received 16 Dec 2019
  10. Decided - Split6/2022/0638/COND

    Submission of details pursuant of conditions 5 (landscaping), 6 (noise) and 7 (sustainability) on planning permission 6/2019/1618/FULL

    Land and Garages at The Commons Welwyn Garden City AL7 4RP

    Received 17 Mar 2022
  11. Decided - Withdrawn6/2018/1056/EM

    Erection of a two storey side and rear extension and enlarge existing garage

    4 Stonemead Welwyn Garden City AL8 7LX

    Received 19 Apr 2018
  12. Decided - Withdrawn6/2020/2619/COND

    Submission of details pursuant to condition 16 (external lighting) on planning permission 6/2019/1851/VAR

    The Holdings Cole Green Lane Welwyn Garden City AL7 4AL

    Received 9 Oct 2020
  13. Decided - Withdrawn6/2018/2965/FULL

    Retention of amended landscape levels

    Old City Garden Nursery Harmer Green Lane Digswell Welwyn AL6 0EP

    Received 19 Nov 2018
  14. Decided - GrantedW6/2014/1076/TE

    Fell Two Silver birch trees to ground level and remove stumps and reduce die back in Oak crown by 30%

    3 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 27 May 2014
  15. Decided - WithdrawnS6/2014/1467/FP

    Erection of part two storey, part single storey rear extensions constructed of render underneath lead roof, installation of new window to west elevation, and new brick wall and timber gate following demolition of lean to single storey side element and retaining wall

    Hill House, Wild Hill, Hatfield, AL9 6EB

    Received 2 Jul 2014
  16. Decided6/2020/0786/TC

    Fell 1 x Hornbeam (T4) Fell 1 x Oak [T6]

    24 Pentley Park Welwyn Garden City AL8 7SB

    Received 26 Mar 2020
  17. Decided - GrantedN6/2006/0463/FP

    ERECTION OF REAR CONSERVATORY

    13 Hillside Way Welwyn AL6 0TY

    Received 7 Apr 2006
  18. Decided - RefusedS6/2006/0269/LB

    NEW LEAD COVERINGS TO GAZEBO ROOFS

    LAND AT SOUTH LAWN, NORTH MYMMS PARK, NORTH MYMMS, HATFIELD, HERTFORDSHIRE, AL9 7TR

    Received 3 Mar 2006
  19. Decided - Refused6/2017/1217/PN11

    Prior approval for the change of use from Office (B1 (a)) to Dwellinghouse (C3) to comprise the creation of 1 unit

    29 Mill Lane Welwyn AL6 9EU

    Received 1 Jun 2017
  20. Decided - Refused6/2024/0928/HOUSE

    Formation of pitched roof to replace existing flat roof

    23 Willow Way Hatfield AL10 9QD

    Received 20 May 2024
  21. Decided - GrantedN6/2013/2464/FP

    Replacement pitched roof to front elevation

    6 Grange Hill Welwyn AL6 9RW

    Received 22 Nov 2013
  22. Decided - Granted6/2020/3021/EMT

    Crown reduce 1 x Silver Birch [T1] by up to 20%

    37 Woodland Rise, Welwyn Garden City, AL8 7LJ

    Received 16 Nov 2020
  23. Decided - Granted6/2018/1067/PN11

    Prior approval for change of use from offices B1(a) to dwellinghouses (C3) to include the creation of 18 apartments

    Fountain House 1-7 Howardsgate Welwyn Garden City AL8 6AL

    Received 24 Apr 2018
  24. Decided - Granted6/2025/1676/VAR

    Variation of condition 1 (Samples of materials), 2 (Hard and soft landscaping), 3 (Contamination), 4 (Railway), 5 (Traffic noise), 6 (Construction method statement) 8 (Pre-completion testing) and 16 (Drawing numbers) on planning permission 6/2021/2332/FULL

    Land Adjacent to 2 The Cottages Bull Stag Green Hatfield AL9 5DF

    Received 4 Aug 2025

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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