Planning authority
Welwyn Hatfield planning applications
3,942 public planning records in the production OGL dataset, newest first, linked to council source pages.
View Welwyn Hatfield statistics →Applications
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Welwyn Hatfield/6/2026/1424/VAR
18 Birchwood Close Hatfield AL10 0PP
Variation of Condition 1 (Arboricultural Method Statement and Tree Protection Plan) and Condition 2 (External Materials) on planning permission 6/2025/0927/HOUSE
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Welwyn Hatfield/6/2026/1303/HOUSE
9 Youngs Rise Welwyn Garden City AL8 6RT
Erection of a single storey side extension, part single and part two storey rear extension, with alterations to openings on side elevations and new patio area
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Welwyn Hatfield/6/2026/1383/ADV
41 Howardsgate Welwyn Garden City AL8 6AP
Installation of 1x illuminated fascia sign, 1x illuminated hanging sign, retractable awning, 3x cowl lights, 2x internal digital screens and vinyl signs.
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Welwyn Hatfield/6/2026/1384/FULL
41 Howardsgate Welwyn Garden City AL8 6AP
Change of use from Class E to Sui Generis, installation of kitchen extraction canopy and air supply system on the rear flat roof and 3x cowl lights and retractable awning to the front eleva...
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Welwyn Hatfield/6/2026/1441/FULL
22 The Avenue Welwyn AL6 0PP
Erection of one two-storey five bedroom detached dwelling and eight two bedroom flats laid out within two two storey blocks of four and associated infrastructure and landscape works followi...
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Welwyn Hatfield/6/2026/1506/LAWP
Gosmore Brocket Road Welwyn Garden City AL8 7TT
Erection of single storey side extensions x 2 and two storey rear extension
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Welwyn Hatfield/6/2026/1452/FULL
51-53 London Road Woolmer Green SG3 6JE
Retrospective application for the installation of palisade fencing and gates adjoining highway.
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Welwyn Hatfield/6/2026/1503/LAWE
27 Batterdale Hatfield AL9 5JG
Certificate of lawfulness for the existing like-for-like replacement of damaged and aged windows on the front and rear elevations
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Welwyn Hatfield/6/2026/1478/COND
27 The Grove Brookmans Park AL9 7RL
Submission of details pursuant to Condition 1 (details of external render) and Condition 2 (details of windows and doors) on planning permission 6/2025/1617/HOUSE
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Welwyn Hatfield/6/2026/1473/COND
38 The Grove Brookmans Park AL9 7RN
Submission of details pursuant to Condition 2 (boundary treatments) on planning permission 6/2025/0285/HOUSE
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Welwyn Hatfield/6/2026/0570/FULL
Thunderbridge Yard Bulls Lane Hatfield AL9 7BB
Change of use of land to enable the formation of 4 Gypsy/Traveller pitches (comprising the stationing of 1 static caravan and storage of 1 touring caravan per pitch) alongside the erection...
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Welwyn Hatfield/6/2026/1454/COND
Monks Walk School Knightsfield Welwyn Garden City AL8 7NL
Submission of details pursuant to Condition 4 (Drainage), 7 (Lighting, line marking and flooring), 9 (Construction Method Statement) and 10 (Landscaping) on planning permission 6/2026/0205/...
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Welwyn Hatfield/6/2026/1458/FULL
Tesco Heart Building Car Park Shire Park Welwyn Garden City AL7 1TW
Installation of one padel tennis court as an additional ancillary sporting and recreational facility to the Tesco office headquarters, together with associated floodlighting, and hard lands...
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Welwyn Hatfield/6/2026/1461/EM
469 Howlands Welwyn Garden City AL7 4HP
Removal of front hedge on boundary of property and to replace existing block paving, with new block paving with better drainage
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Welwyn Hatfield/6/2026/1470/TPO
Glebe House Ellesfield Welwyn AL6 9HB
TPO 1016 1 x White Poplar to reduce upper canopy by approximately 10m height - Reduce upper canopy due to large volume of regrowth from historical reduction. Cavities and decay at old pruni...
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Welwyn Hatfield/6/2026/1471/FULL
5 Branch Close Hatfield AL10 0TW
Garage conversion and extension to garage for use as annex
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Welwyn Hatfield/6/2026/1474/FULL
108 Tolmers Road Cuffley Potters Bar EN6 4JR
Proposed replacement dwelling
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Welwyn Hatfield/6/2026/1442/EM
16 Stanborough Green, Welwyn Garden City, AL8 6XQ
Replaced double glazing (front and back) - like-for-like replacement. Replaced front door
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Welwyn Hatfield/6/2026/1459/HOUSE
16 Oak Road Woolmer Green SG3 6LS
Erection of annexe
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Welwyn Hatfield/6/2026/1466/HOUSE
36 Warren Way Digswell Welwyn AL6 0DN
Erection of two storey side extension, part single/two storey rear extension, insertion of two front dormer windows and front porch following the demolition of existing single storey rear e...
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Welwyn Hatfield/6/2026/1467/LB
3 Holly Hall Court Church Street Welwyn AL6 9LH
Replacement like-for-like front door and one window
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Welwyn Hatfield/6/2026/1437/LAWP
49 Bradgate Cuffley Potters Bar EN6 4RP
Certificate of lawfulness for garage conversion with side access door
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Welwyn Hatfield/6/2026/1438/EM
203 Handside Lane Welwyn Garden City AL8 6TE
Rebuilding conservatory at the rear of the house and replacement of the rear kitchen door with a window
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Welwyn Hatfield/6/2026/1443/ADV
Pavement outside 43 Howardsgate Welwyn Garden City AL8 6AP
Installation of 2x advertisement panels on either side of Street Hub Unit
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Welwyn Hatfield/6/2026/1444/FULL
Pavement outside 43 Howardsgate Welwyn Garden City AL8 6AP
Installation of 1No. Street Hub Unit
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Welwyn Hatfield/6/2026/1448/PIP
Land North of 58 Bell Lane Brookmans Park AL9 7AY
Permission in principle for the erection of a single dwelling
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Welwyn Hatfield/6/2026/1450/EM
168 Blythway Welwyn Garden City AL7 1DU
Refurbishment and upgrade of existing rendered, gable wall, with the application of a ‘breathable’ top silicone coat for durability and longevity
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Welwyn Hatfield/6/2026/1453/COND
Monks Walk School Knightsfield Welwyn Garden City AL8 7NL
Submission of details pursuant to Condition 1 (Biodiversity Gain Plan), Condition 2 (Habitat Management and Monitoring Plan) and Condition 3 (Construction Environmental Management Plan) on...
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Welwyn Hatfield/6/2026/1456/HOUSE
8 The Limberlost Welwyn AL6 9TS
Erection of single storey side extension and front porch canopy
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Welwyn Hatfield/6/2026/1301/LAWP
20 Kingsmead Cuffley Potters Bar EN6 4AN
Certificate of lawfulness for the erection of an outbuilding and double garage within the curtilage of existing dwelling including formation of driveway and demolition of existing garage
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Welwyn Hatfield/6/2026/1339/EM
241 Daniells Welwyn Garden City AL7 1QD
Erection of single storey rear extension following demolition of conservatory & alterations to openings
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Welwyn Hatfield/6/2026/1433/HOUSE
117 Stonecross Road Hatfield AL10 0HS
Erection of part single, part two storey rear extension with insertion of window to side elevation
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Welwyn Hatfield/6/2026/1416/TPO
43 Harmer Green Lane Digswell Welwyn AL6 0AP
TPO 658 - Fell dead pine tree and dying Silver birch tree
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Welwyn Hatfield/6/2026/1427/FULL
45 Great Dell Welwyn Garden City AL8 7HP
Change of use of amenity land to driveway area with part hedge removal, part two storey rear extension, roof lantern to existing kitchen roof and alterations to openings to rear
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Welwyn Hatfield/6/2026/1428/HOUSE
7 Pleasant Rise Hatfield AL9 5DR
Erection of single storey rear garage extension
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Welwyn Hatfield/6/2026/1434/FULL
Heathfield Lodge Great North Road Little Heath Potters Bar EN6 1JD
Erection of two-storey block of 4 x 2 bedroom apartments with parking and landscaped gardens following the demolition of existing bungalow
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Welwyn Hatfield/6/2026/1417/HOUSE
15 Ramsey Close Brookmans Park AL9 6NP
Erection of single storey side and first floor rear extensions, front porch extension, door and fenestration alterations to rear elevation, new front boundary fence and landscaping works
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Welwyn Hatfield/6/2026/1419/COND
Howe Dell School The Runway Hatfield AL10 9AH
Submission of details pursuant to Condition 1 (Biodiversity Gain Plan), Condition 2 (Landscape and Ecological Management Plan (LEMP)), Condition 3 (Construction Traffic Management Plan (CTM...
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Welwyn Hatfield/6/2026/1423/LAWP
57 Tolmers Road Cuffley Potters Bar EN6 4JG
Certificate of lawfulness for the erection of an outbuilding
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Welwyn Hatfield/6/2026/1247/EMT
23 Elmwood Welwyn Garden City AL8 6LD
Field maple to crown lift to 3m and to reduce the tree by 30%
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Welwyn Hatfield/6/2026/1294/TC
Templewood Primary School Pentley Park Welwyn Garden City AL8 7SD
T28 Deadwood - Crown Clean Oak; T30 Crown Reduce back to previous- Remove Deadwood Oak; T34 Die Back - Fell and Grind Elm; T36 Pollard at 6m Sycamore; T41 Dead tree - Fell and Grind Goat Wi...
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Welwyn Hatfield/6/2026/1360/VAR
93 Salisbury Road Welwyn Garden City AL7 3RY
Variation of condition 2 (approved plans) on planning permission 6/2025/2622/HOUSE
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Welwyn Hatfield/6/2026/1361/EM
31 Brockswood Lane Welwyn Garden City AL8 7BE
Erection of part single storey part two storey rear extension, garage conversion and installation of air conditioning unit mounted at ground floor on the rear elevation
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Welwyn Hatfield/6/2026/1362/EM
135 Howlands Welwyn Garden City AL7 4RL
Installation of hardstanding
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Welwyn Hatfield/6/2026/1406/COND
Bothys Field Holwell Court Farm
Submission of details pursuant to condition 1 (Biodiversity Net Gain Plan) and condition 2 (Landscape and Ecology Management Plan) on planning application 6/2026/0400/FULL
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Welwyn Hatfield/6/2026/1407/FULL
11 Georges Wood Road Brookmans Park AL9 7BY
Erection of new dwelling and associated hard and soft landscaping following demolition of the existing dwelling and the detached garage.
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Welwyn Hatfield/6/2026/1414/EM
48 Woodhall Court Welwyn Garden City AL7 3TD
Replacement of leaning back garden brick wall with a close board fence and access gate to back garden
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Welwyn Hatfield/6/2026/1418/LAWP
49 Tolmers Road Cuffley Potters Bar EN6 4JG
Certificate of lawfulness for installation of rear dormer
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Welwyn Hatfield/6/2026/1194/EM
10 Walden Road, Welwyn Garden City, AL8 7PF
(Retrospective) Installation of an electric vehicle charging point on the side elevation of the garage
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Welwyn Hatfield/6/2026/1413/TPO
1 Foxes Lane Cuffley Potters Bar EN6 4JB
Fell 2 x Scotts Pine covered by TPO 92
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Welwyn Hatfield/6/2026/1264/FULL
53 Brookmans Avenue Brookmans Park AL9 7QG
Erection of dwelling with boundary wall and gates following demolition of existing property
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Welwyn Hatfield/6/2026/1396/EM
12 Mandeville Rise Welwyn Garden City AL8 7JU
Installation of 20 all-black roof-mounted solar PV panels (14 on west-facing and 6 on east-facing roof slopes); one Aira 8 kW air-source heat pump; one Tesla Powerwall 3 battery with associ...
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Welwyn Hatfield/6/2026/1397/EM
44 Attimore Road Welwyn Garden City AL8 6LP
Installation of solar energy system of 14 solar panels
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Welwyn Hatfield/6/2026/1399/PN8
1 High Dells Hatfield AL10 9JD
Prior approval for a single storey rear extension measuring 4.50m in depth, 2.58m to the eaves and the maximum height of 2.75m
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Welwyn Hatfield/6/2026/1403/EM
62 Moorlands Welwyn Garden City AL7 4QG
Installation of an EV charger to the side elevation of the house, behind brick pillar
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Welwyn Hatfield/6/2026/1404/FULL
14 Hanyards Lane Cuffley Potters Bar EN6 4AT
Erection of a three storey dwelling with associated landscaping to front and rear, following the demolition of existing two storey dwelling
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Welwyn Hatfield/6/2026/1347/TPO
53 Pine Grove Brookmans Park AL9 7BL
T1 Horse Chestnut 1m full crown reduction T2 Hornbeam 2m full crown reduction (covered by TPO468, TPO1054 (2023) &TPO981)
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Welwyn Hatfield/6/2026/1376/HOUSE
18 Briary Wood Lane Welwyn AL6 0TF
Erection of a single storey ground floor extension & part two storey rear, raising the roof and alterations to facilitate loft conversion to include new crown roof with front & rear dormers
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Welwyn Hatfield/6/2026/1391/TPO
4 Evergreen Close Woolmer Green SG3 6JN
Crown reduction of a Silver Birch tree by up to 20% (approximately 2 - 3 metres) to reduce branch spread and weight. Work is required to manage size, prevent encroachment and maintain tree...
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Welwyn Hatfield/6/2026/1392/HOUSE
1 Little Wade Welwyn Garden City AL7 4LE
Erection of a single storey rear extension