DIY Bay Window Bench | Full Build Tutorial from Scratch (With Air Vent)

DIY Bay Window Bench | Full Build Tutorial from Scratch (With Air Vent) In this complete step-by-step tutorial, I'll show you how to build a custom bay window bench (also called a banquette or window seat) from scratch—even when there's an air vent or duct in the way. Perfect for adding cozy seating to your breakfast nook, dining area, or living room without blocking airflow. This DIY bay window bench features a sturdy 2x4 and plywood frame, and smart design to work around floor vents or HVAC ducts. We'll cover measuring your bay window, framing with 2x4s while leaving space for the vent, building the seat, and finishing with paint. Whether you're a beginner woodworker dealing with vents or tackling your first big DIY furniture project, this banquette build is practical, budget-friendly, and transformative. Total cost: around $200-$250 depending on materials. Tools used: Table saw, miter saw, drill, pocket hole jig, jigsaw, oscillating multi-tool, orbital sander. Materials: 9x 8ft lumber (2x4s), 2 sheets birch plywood, 1x4 pre-primed pine (for trim), pocked hole screws, 3.5-4" wood screws, finishing nails, wood filler, toe kick duct and vent cover (optional), paint/primer, polyurethane. If you enjoyed this DIY window seat tutorial, give it a thumbs up, subscribe for more woodworking and home improvement projects, and hit the bell for notifications! Undercover Vampire Policeman by Chris Zabriskie is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/... Source: http://chriszabriskie.com/uvp/ Artist: http://chriszabriskie.com/ #DIYBench #BayWindowSeat #BanquetteBuild #WindowBenchWithVent #WoodworkingTutorial