Postcode area
Planning applications in SL3
42 planning applications were submitted in the SL3 postcode area in the last 30 days. The most common type was extensions (14). 1 was approved and 1 refused in this period.
For construction businesses
Find construction opportunities in the SL3 area
PlanFalcon monitors planning applications here and helps contractors, groundworks firms and civil engineering teams identify the projects worth pursuing — ranked for your trade and territory, not listed by date.
Relevant to groundworks, civil engineering and construction supply teams.
20 most recent applications
- P/19693/00221 Sep 2026Undecided
6, Denton Way, Slough, SL3 7DJ
Construction of a single story rear extension
- P/02879/01318 Sep 2026Undecided
32A & 32B, Newton Close, Slough, SL3 8DD
Construction of Loft conversion with rear dormer
- P/21161/00018 Sep 2026Undecided
27, Market Lane, Slough, SL3 8BH
Construction of a single storey rear and side extension.
- P/21162/00017 Sep 2026Undecided
136, Trelawney Avenue, Slough, SL3 8RU
Lawful Development Certificate for a proposed single storey front extension, single storey rear extension to existing dwelling, loft conversion to create habitable accommodation with rear dormer extension, 2no. rooflights to front elevation and internal alterations.
- SMI/2026/2717 Sep 2026Undecided
Wexham Park Golf Course, Wexham Street, Slough, Berkshire, SL3 6ND
New greenkeepers facilities and landscaping works to facilitate golf course impr
- 26/02289/TCA17 Sep 2026Undecided
16 Buccleuch Road Datchet Slough SL3 9BP
T1 - Horse Chestnut - Remove 1x dead stem in the middle of tree crown.
- P/21159/00017 Sep 2026Undecided
22, Alderbury Road, Slough, SL3 8DJ
Lawful Development Certificate for a proposed loft conversion to create habitable accommodation, with rear dormer extension and rooflights to the front elevation.
- P/21158/00017 Sep 2026Undecided
10, Dumbarton Way, Slough, SL3 7UR
Construction of a single storey rear extension, front porch with changes to fenestration and conversion of garage.
- P/11818/00416 Sep 2026Undecided
7, Langley Broom, Slough, SL3 8NB
Construction of a front proch and balcony with balustrade to front and side with dormers to the front and rear. (PART RETROSPECTIVE)
- P/21160/00016 Sep 2026Undecided
Land to the west of Manor Farm, Poyle Road, Colnbrook, Slough, SL3 0BL
Construction of a proposed demolition of existing buildings and structures, and erection of three Data Centres (Use Class B8) with ancillary substation, offices, associated plant, emergency backup generators and associated fuel storage, landscaping, sustainable drainage systems, car and cycle parking, and new and amended vehicular and emergency access from Poyle Road, site re-levelling, community building, river diversion and other associated works.
- P/21157/00016 Sep 2026Undecided
11-14 Rayners Close, Colnbrook, Slough, SL3 0LH
Construction of a proposed changes to fenestration to existing residential building.
- P/12805/00216 Sep 2026Undecided
Trelawney Industrial Court, Trelawney Avenue, Slough, Berkshire, SL3 7UJ
Construction of a proposed demolition of the existing commercial units and construction of a two-storey residential block of 10no. apartments, associated external works, provision of a new vehicular access point, with the existing access closed up.
- P/21155/00015 Sep 2026Withdrawn
Land off Golden Cross Roundabout, Poyle 2, Slough, SL3 0AU
Lawful Development Certificate for a proposed erection and installation of 7no. dual port EV charger units, serving 14 no. parking bays; and 1 no. substation.
- Y/21153/00015 Sep 2026Undecided
137, Humber Way, Slough, SL3 8SS
The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.0m, with a maximum height of 3.4m, and an eaves height of 2.70m
- P/09222/00315 Sep 2026Undecided
60, Upton Court Road, Slough, SL3 7LZ
Construction of a two storey rear and front and single storey side extension following the demolition of existing garage
- P/08405/00514 Sep 2026Undecided
58, Stile Road, Slough, SL3 7SD
Construction of a proposed change of roof, increased ridge height, hip to gable and dormer extension to the rear to create habitable space.
- P/20813/00114 Sep 2026Undecided
Naylor Terrace, 4, High Street, Colnbrook, Slough, SL3 0LA
Change of Use from a Class C3(a) dwellinghouse to a high quality Supported Accommodation for Young People Class C2.
- P/02115/00114 Sep 2026Undecided
171, High Street, Langley, Slough, SL3 8LP
Lawful Development Certificate for a proposed loft conversion to create habitable accommodation, with rear dormer extension and 2no. rooflights to the front elevation.
- TEL/2026/2714 Sep 2026Permitted
Talbot Avenue, Langley, Berkshire, SL3 8DB
to install fixed line broadband electronic communications apparatus
- SMI/2026/2614 Sep 2026Undecided
Wexham Grange, Land West Of Wexham Street, Stoke Poges, Buckinghamshire, SL3 6ND
Outline planning application (with all matters reserved except for principal means of vehicular access to the highway) for the erection of up to 230 dwellings, including affordable housing, public open space and associated infrastructure.
For construction teams covering the SL3 postcode area, PlanFalcon turns local planning application data into prioritised opportunity intelligence, so civils, groundworks and supplier teams can review likely project leads faster. Looking for construction opportunities rather than individual applications? See how PlanFalcon helps construction sales teams find projects earlier.