RT-1 zone in New Westminster

Duplex District. Allow two-family dwellings (s.340.1).

Find lots in New Westminster How many homes can I build in New Westminster?

108lots in this zone on the map

525 m²median lot size (5,651 ft²)

106–872 m²smallest to largest lot

7.62 mmaximum height (25 ft)

The rules

Name	Duplex District
Homes allowed	2 (duplex) on lots of 557.4 m2 or more; single detached house to RS-1 standards on smaller lots (s.340.3-340.4, 340.18-340.19). No secondary suite in a duplex listed.
Floor space ratio	0.6
Floor space notes	FSR 0.6 (s.340.16); excludes up to 41.81 m2 parking per unit and areas 1.22 m or lower (s.340.15).
Height	7.62 m (25 ft)
Height notes	Principal building 7.62 m (s.340.10).
Lot coverage	40%
Coverage notes	Principal buildings 40%; accessory 10% (s.340.14, 340.9).
Setbacks	front 7.62 m (25 ft), side 1.52 m (5 ft), rear 7.62 m (25 ft)
Setback notes	Front and rear 20% of depth up to 7.62 m; side 10% of width up to 1.52 m (1.22 m on lots 12.19 m or narrower) (s.340.11-340.13).
Bylaw sections	s.340.1-340.20

What you can use it for

DuplexSingle detached dwelling (RS-1 standards; DADU only on OCP RD/RGO lots)Home based businessBoarders/foster/child careGolf course (16.19 ha min)Public utilities

What BC law allows on these lots

Transit-oriented area (taller buildings)108 lots

Our estimate per lot under BC's Bills 44 and 47, from lot size, transit distance and the urban boundary.

Example lots in RT-1

No addressed lots in this zone on the map.

Other zones in New Westminster

RGO-A RM-4 RGO-B RM-6B RM-2 RM-5A RS-1 RQ-1 RM-6A NR-1 RS-2 RMW-2A RM-2A RT-A RMW-3B RT-3A RT-3 RMW-3 NR-2 RT-2D RS-4 RM-1A RM-1 RQ-5 RT-2E RT-2B RM-5 RS-5 RT-2F RT-3B RW-1 RT-B RS-6 RT-2 RM-6 NR-5

Read from New Westminster Zoning Bylaw No. 6680, 2001 (section consolidations to 2025-05-26, plus adopted amendments Bylaw 8524 (Townhouse Zoning Update) and Bylaw 8578, 2026 (Infill Housing Program, footer-dated 2026-06-08); official consolidation to 2025-11-17 not retrievable) ↗, checked 2026-10-21. Summaries are our reading of the bylaw: confirm with New Westminster before buying or designing. Page rebuilt October 25, 2026.