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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2022/2086/VAR

    Variation of condition 49 (drawing numbers) on planning approval 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield Hertfordshire AL10 8AB

    Received 7 Sept 2022
  2. Decided - GrantedS6/2008/0894/MA

    ERECTION OF THREE STOREY BLOCK, COMPRISING 12 TWO BED FLATS, CYCLE AND REFUSE STORAGE, ALTERATIONS TO EXISTING PARKING AREAS, RE-CONFIGURATION OF TURNING HEAD AND ALL ANCILLARY WORKS

    LAND AT DE HAVILLAND HOUSE, ENDYMION MEWS, HATFIELD, HERTFORDSHIRE, AL10 0EW

    Received 4 Jun 2008
  3. Decided - Granted6/2025/1072/PN10

    Prior approval for a change of use from agricultural building to one dwellinghouse

    7 Normans Lane Welwyn AL6 9TQ

    Received 6 Jun 2025
  4. Decided - Withdrawn6/2023/0942/LAWP

    Certificate of lawfulness for loft conversion with hip to gable to include rear dormer, two front rooflights and one second floor side elevation window

    65 Heathcote Avenue Hatfield AL10 0RQ

    Received 3 May 2023
  5. Decided - Granted6/2021/1786/HOUSE

    Erection of single storey glass rear extension

    17 Attimore Road Welwyn Garden City AL8 6LH

    Received 9 Jun 2021
  6. Decided - GrantedS6/2007/0706/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION

    11 Manor Road Hatfield AL10 9LN

    Received 9 May 2007
  7. Under Consideration6/2026/1272/FULL

    Installation of insulation to all of the external walls, replacement windows and doors to double/triple glazed units and thermal doors, balcony insulation system to be added to balcony slab and new railings (to match existing) to be installed, replacement of existing cladding panels with non combustible fibre-cement plank, colour to match existing

    Council owned flats in Aldykes & Briars Wood 2-12, 14-24 Aldykes Hatfield & 38-48 & 50-60 Briars Wood Hatfield AL10 8EF

    Received 20 Jul 2026
  8. Decided - Granted6/2022/1598/EMT

    Rear: 1 x Goat willow to fell to ground level. Front: 1 x Oak to reduce by 1.2m height & width.

    57 Woodhall Lane, Welwyn Garden City, AL7 3TG

    Received 6 Jul 2022
  9. Decided - Granted6/2025/2539/EMT

    T1 - 1 x Oak to reduce by around 1.5 metres in height and width. Lower south-westerly limbs to reduce by around 2.5 metres. Remove deadwood consisting of branches greater than 40mm in diameter. Remove epicormic growths from trunk. T2 1 x Oak to remove deadwood consisting of branches greater than 40mm in diameter. Remove epicormic growth from trunk. Remove epicormic growth keeping the trunk clean. T3 1 x Lawson Cyprus and neighbouring tree to reduce by around 2.5 metres. T4 dead Cherry Plum to reduce back to framework.

    12 Sherrardspark Road Welwyn Garden City AL8 7JP

    Received 8 Dec 2025
  10. Decided - Granted6/2025/0149/LAWP

    Certificate of lawfulness for loft conversion with rear dormer, insertion of rooflights into existing roof, erection of single storey rear extension and garage conversion

    23 Far End Hatfield AL10 8TG

    Received 28 Jan 2025
  11. Decided - Granted6/2015/2329/HOUSE

    Erection of single storey rear extension and first floor side extension

    14 Homerfield, Welwyn Garden City, AL8 6QZ

    Received 17 Nov 2015
  12. Decided - GrantedN6/2007/0689/FP

    CHANGE OF USE OF AMENITY LAND TO CAR PARKING

    58-60 BRIDGE ROAD EAST, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1JU

    Received 2 May 2007
  13. Decided - Granted6/2016/0941/LB

    Retrospective consent for previous alterations; internal partitions, kitchen and shower fittings, fixing of external doors in north elevation with insulation and dry lining, reinstatement of stable door, wall opening to create WC, installation of windows in south elevation, retention of stable yard setts.

    The Dower House, Coopers Lane, Northaw, Potters Bar, EN6 4NG

    Received 12 May 2016
  14. Decided - GrantedW6/2015/1075/TE

    Crown lift Norway Maple tree and Cherry tree to 4m and crown reduce by upto 3m, crown lift Norway Maple tree and Beech hedge to 3m to give clearance for parking bays and crown lift Cherry tree to 2m and Norway Maple to 3m

    143 Longcroft Lane, Welwyn Garden City, AL8 6EL

    Received 20 May 2015
  15. Decided - RefusedS6/2015/0050/LUP

    Certificate of Lawfulness for the erection of single storey rear extension and hip to gable end and loft conversion

    10 Westland Drive, Brookmans Park, Hatfield, AL9 7UQ

    Received 14 Jan 2015
  16. Decided - WithdrawnS6/2014/1664/MA

    Erection of dwelling following demolition of existing dwelling

    Milkwood Farm Dixons Hill Close Welham Green Hatfield AL9 7EF

    Received 23 Jul 2014
  17. Decided6/2018/0181/TPO

    Fell x 1 Purple Leaf Plum tree - Conservation Area

    18 Guessens Road Welwyn Garden City AL8 6QR

    Received 18 Jan 2018
  18. Decided - RefusedN6/2008/0809/FP

    ERECTION OF TWO STOREY REAR AND SINGLE STOREY SIDE & FRONT EXTENSIONS

    3 Brickwall Cottages Great North Road Welwyn Garden City AL8 7SR

    Received 23 May 2008
  19. Decided - Granted6/2020/2272/HOUSE

    Single and two storey rear extension with alterations to roof to form crown roof with 2 rear dormers and rooflights. Insertion of front porch and first floor side window. Extension to garage roof.

    32 Moffats Lane Hatfield AL9 7RU

    Received 7 Sept 2020
  20. Decided - GrantedN6/2007/0619/FP

    INSERTION OF BAY WINDOW IN FRONT ELEVATION.

    65 Great North Road Welwyn Garden City AL8 7TL

    Received 19 Apr 2007
  21. Decided - Granted6/2017/0966/EM

    Erection of a single-storey side and part single part two-storey rear extensions

    36 Sheepcote Welwyn Garden City AL7 4QD

    Received 8 May 2017
  22. Appeal Decided - Allowed6/2021/0747/HOUSE

    Erection of first floor side extension, ground floor side extension, ground floor rear extension, first floor rear extension to facilitate loft conversion, fenestration alterations and replacement chimney

    46 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 8 Mar 2021
  23. Decided - GrantedS6/2013/1690/NM

    Non material amendment following approval of planning application S6/2012/0948/FP - Replacement of approved window to dormer with inward opening doors and fixed glass balustrade

    6 Bluebridge Road, Brookmans Park, HATFIELD, AL9 7SB

    Received 15 Aug 2013
  24. Decided - GrantedS6/2013/1687/NM

    Non material amendment following approval of planning permission S6/2012/1263/S73B - Height adjustment to windows

    Land to rear of, 59 Station Road, Cuffley, Potters Bar, EN6 4HX

    Received 14 Aug 2013

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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Guides to planning records

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    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

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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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