Brentwood Laneway – Lanefab

About this design

Type: Addition (Laneway)
# of units: 1
Square footage: 1,500 sq. ft.
Lot size: Large lot (at least 60 ft. x 120 ft. or 7,200 sq. ft.)
Estimated cost of construction: Starting at $810,000 (2024 estimates, subject to change)
Design ID: DL007

Brentwood is best suited for larger properties. The exterior design features a lane facing exterior balcony with two outdoor, at‐grade parking pads with an enclosed bike storage attached to the building that separates the private rear yard and the lane. The floor plan allows for the live/sleep spaces to be flipped and considers built in closets for storage and mechanical fixtures such as HRVs, a mini split and an electrical hot water tank. This design provides two roof designs‐ flat and dormer which considers the neighborhood context of the laneway.

How to use this design

Lanefab's integrated design/build process means that they can be a one‐stop‐shop for the entire process of designing and building your home. They can use this plan as a starting point for exploring more options or fit the design on your property and get going on the permit. Lanefab has an experienced team of residential designers, interior designers, carpenters and project managers. They also have a dedicated team of consultants and subcontractors who work with them on a recurring basis.

Price to license plan: $1000

Hourly rate for additional services (if applicable):

Feasibility Study ($150 for principal, $100/hour for senior designer): Work with Lanefab to explore building massing placement options and modify the design to suit your unique needs and site.
Interior Design ($85/hour for the design): Develop design plans and specs suitable for construction, including cabinetry layouts, lighting and electrical plans and interior design specs.
Estimating, Permit & Construction Details (Base fee for stages, plus additional $70/hour, if committed to building with Lanefab): Develop design plans suitable for permit, including structural engineering, survey, arborist report, warranty, etc.
Construction (project dependent, please contact).

Minimum lot size: 60’ x 120’ (could work on a 50’ lot, if one of the two parking spaces were removed)
Lot characteristics suitable for design: Lane access at rear
Servicing and access requirements for design: Fire access from street, waste pick up at lane
Parking requirements: 2 at‐grade outdoor spaces
Additional considerations for use of design: 2 floor plan options for living/sleeping and 2 options for roof design

Preview site and floor plans

Additional information

Energy considerations

13” exterior wall assembly
Option for solar panels on both roof designs
Dedicated closets for HRV and electric HWT

Privacy

Exterior balcony facing lane
Smaller windows on neighbor-facing elevations (east and west)
Option for solid doors for at grade entry
Skylight opportunities for both roof options
Flexible floor plan configuration for living space on the bottom or upper floor, depending on rear yard use and desired occupants

Adaptability

Straight run stairs allow for easy adaptability for assisted lift devices to be installed, if required
Open concept living space and generous sized bedrooms
Min. 2 bathrooms have 30”x48 clr

Green building and passive homes

6.20 (1)(a) FAR exclusion for thicker wall assembly applied to our standard 13” exterior walls
Inset windows to reduce thermal bridging
Storage consideration for HRV, elec. Hot water tank and exterior mini split unit

Design customizability

Floor plans for swapping living/sleeping on main and upper levels
2 different roof designs (flat and sloped)
The massing offers natural breaks for different cladding options

Bicycle parking

Dedicated enclosed bike storage which can be used as general storage

Parking

2 at‐grade parking spots close to wall for EV charging

Garbage storage access

Dedicated enclosed garbage area on widened side yard setback close to lane