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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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedC6/1988/0006/FP

    Erection of detached dwelling with integral garage

    Land at 26 Robbery Bottom Lane Welwyn AL6 0UW

    Received 1 Jan 1988
  2. Decided - Granted6/2023/0026/HOUSE

    Erection of part single storey and part two storey rear extension, single storey side extension, Velux loft conversion, alterations to openings, patio area with balustrading and addition of solar panels to existing and proposed roofs

    16 Walden Road Welwyn Garden City AL8 7PF

    Received 5 Jan 2023
  3. Decided - Granted6/2025/2247/TPO

    T1 Oak at the front of property - Fine prune of 1.5m max off the entire canopy and removal of deadwood over 30mm in diameter - TPO 641 (2017) T2 Oak at the far end of rear garden - Reduce lowest laterals on the North, East, and South side of the tree by 2m to provide clearance over neighbouring gardens due to homeowner receiving several complaints. Selective prune in the top portion of the canopy by 2m - 2.5m max to alleviate weight and windsail in hopes to mitigate any future branch failure. Removal of deadwood over 30mm in diameter.

    25 Mardley Hill Welwyn AL6 0TT

    Received 23 Oct 2025
  4. Decided - Granted6/2016/2554/EM

    Erection of rear conservatory

    10 Meadow Green Welwyn Garden City AL8 6SS

    Received 29 Nov 2016
  5. Decided - GrantedN6/2007/0969/FP

    INSTALLATION OF SMOKERS SHELTERS TO MEET 1ST JULY SMOKING BAN DEADLINE IN THE SCHERING-PLOUGH CARPARK

    SCHERING-PLOUGH LTD, UNIT 5, FALCON WAY, SHIRES PARK, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1TW

    Received 28 Jun 2007
  6. Decided - Withdrawn6/2016/1530/EM

    Erection of single storey side and rear extension creating two additional surgeries at ground floor level, incorporating new hardstanding, disabled parking bay and ramp/stepped access to the front of the property and off-road parking to the rear, following demolition of existing garage

    Peartree Clinic, 43 Peartree Lane, Welwyn Garden City, AL7 3UA

    Received 26 Jul 2016
  7. Decided - Granted6/2017/1766/HOUSE

    Erection of single storey front, side and rear extensions, first floor side extension, installation of front canopy, bay window to rear elevation, dormer window and 2 rooflights to loft to include internal alterations

    30a High Oaks Road Welwyn Garden City AL8 7BH

    Received 10 Aug 2017
  8. Decided - Granted6/2019/0787/COND

    Submission of details pursuant to condition 5 (refuse and recycling storage area) and 6 (cycle parking area) on planning permission 6/2017/0513/FULL, dated 19/10/2018

    5 West View, Hatfield, AL10 0PJ

    Received 2 Apr 2019
  9. Decided - GrantedN6/2015/0997/NM

    Non material amendment following approval of planning permission N6/2014/2498/FP - Window to front of intended extension

    52 Lemsford Lane, Welwyn Garden City, AL8 6YJ

    Received 1 May 2015
  10. Decided - Granted6/2024/1238/EMT

    1x Leyland Cypress to reduce by 1.5m in height and 1m in width to maintain size for the small garden

    19 Great Ganett Welwyn Garden City AL7 3DA

    Received 2 Jul 2024
  11. Decided - Granted6/2020/0862/LAWP

    Certificate of lawfulness for the installation of a cat flap in front door

    68 Stirling Way Welwyn Garden City AL7 2QA

    Received 9 Apr 2020
  12. Decided - Granted6/2016/0660/EM

    Erection of a first floor side extension and single storey rear extension

    10 Hyde Valley, Welwyn Garden City, AL7 4NA

    Received 6 Apr 2016
  13. Decided - GrantedN6/2013/0754/FP

    Replacement shop front

    33 Howardsgate, WELWYN GARDEN CITY, AL8 6AP

    Received 8 Apr 2013
  14. Decided - WithdrawnS6/2008/0951/FP

    ERECTION OF NINE FLATS (6, 2 BED & 3, 1 BED) WITH ASSOCIATED PARKING, AMENITY SPACE, BIN AND CYCLE STORES

    LAND REAR OF THE CAT AND FIDDLE, ST ALBANS ROAD WEST, HATFIELD, HERTFORDSHIRE, AL10 0SR

    Received 20 Jun 2008
  15. Decided - Granted6/2019/2622/HOUSE

    Erection of single storey side and rear extension with installation of 3x roof lights following demolition of existing conservatory

    11 Thrush Avenue Hatfield AL10 8QU

    Received 18 Oct 2019
  16. Decided - GrantedN6/2005/1282/FP

    RETROSPECTIVE PLANNING APPLICATION FOR GARDEN SHED

    23 The Avenue Welwyn AL6 0PW

    Received 11 Oct 2005
  17. Decided - Granted6/2021/0488/EM

    Erection of a garden room in the back right hand corner of the garden

    34 Fordwich Road Welwyn Garden City AL8 6EY

    Received 15 Feb 2021
  18. Decided - Granted6/2022/2461/EM

    Installation of photovoltaic panels to front roof elevation

    55 Archers Ride Welwyn Garden City AL7 4PR

    Received 25 Oct 2022
  19. Decided - Granted6/2015/1725/EM

    Removal of Ash tree located in rear garden

    152 Heronswood Road, Welwyn Garden City, AL7 3EU

    Received 12 Aug 2015
  20. Decided6/2021/1001/TC

    1 x Silver Birch - fell

    2 Riverside Welwyn AL6 9NU

    Received 26 Mar 2021
  21. Decided - GrantedS6/2013/2578/HH

    Prior approval for the erection of rear conservatory

    12 The Pastures, Hatfield, AL10 8PD

    Received 3 Dec 2013
  22. Decided - Granted6/2020/2956/TPO

    Oak (T5) - Reduction by 25% ( to where it was previously pruned to)

    6 Mardley Heights Welwyn AL6 0TX

    Received 11 Nov 2020
  23. Decided - GrantedS6/2009/1751/FP

    ERECTION OF TWO STOREY SIDE AND REAR EXTENSION AND SINGLE STOREY FRONT AND REAR EXTENSION

    53 Bramble Road Hatfield AL10 9RZ

    Received 12 Aug 2009
  24. Decided - Granted6/2019/0211/LB

    Retention of front and side signage

    Ivy Cottage (Welwyn Luxury Beauty) 2 Codicote Road Welwyn AL6 9NB

    Received 1 Feb 2019

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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