---
title: "RD1 zone in Delta: Duplex/Single Detached Residential 1 Zone"
place: Delta, British Columbia, Canada
place_path: ca/bc/delta
zone: RD1
bylaw: Delta Zoning Bylaw No. 7600, 2017 (consolidated for reference purposes to April 21, 2026, incorporating amendments up to Bylaw No. 8552)
bylaw_read: 2026-11-07
review: draft
canonical: "https://govhandbook.com/ca/bc/delta/zoning/rd1/"
json: "https://govhandbook.com/ca/bc/delta/zoning/rd1.json"
---

# RD1 zone in Delta: Duplex/Single Detached Residential 1 Zone

Duplex and single detached housing on larger lots.

## Zone rules

- **Purpose:** Duplex and single detached housing on larger lots.
- **Main uses:** Duplex dwelling; Single detached dwelling
- **Also allowed (secondary uses):** Home occupation; Secondary suite (accessory to a single detached or duplex dwelling)
- **Minimum lot area:** 836 m² (duplex lot; also subdivision minimum)
- **Minimum lot width:** 22 m (average lot depth 30 m)
- **Maximum lot coverage:** 40%
- **Maximum density:** Single detached: floor space ratio 0.25 of lot area plus 93 m². Duplex: floor space ratio 0.3 of lot area plus 93 m²
- **Maximum height:** 2.5 storeys; 8 m to mid-roof or top of a flat roof; 9.5 m to roof ridge of a pitched roof
- **Maximum height, accessory buildings:** 1 storey; 3 m to mid-roof or top of a flat roof; 3.75 m to roof ridge of a pitched roof
- **Front setback:** 6.5 m (principal); accessory 12 m
- **Rear setback:** Where average lot depth does not exceed 35 m: 7.5 m for a 1 or 1.5 storey building, 9 m for 2 or more storeys. Where average lot depth exceeds 35 m: 7.5 m (1 to 1.5 storeys) or 9 m (2 or more storeys) plus 0.6 m for each additional 1 m of average lot depth over 35 m. Accessory 1 m
- **Interior side setback:** Where building depth does not exceed 18 m: 1.5 m. Where it exceeds 18 m: 1.5 m for the part up to 18 m and 3 m for the part beyond 18 m. Accessory 1 m
- **Street side setback:** 3.5 m (principal); accessory 6.5 m
- **Accessory building setbacks:** front 12 m, interior side 1 m, exterior side 6.5 m, rear 1 m
- **Other rules:** A maximum of 1 duplex dwelling or 1 single detached dwelling per lot

## Source

- [Delta Zoning Bylaw No. 7600, 2017 (consolidated for reference purposes to April 21, 2026, incorporating amendments up to Bylaw No. 8552), s. 12.10](https://delta.civicweb.net/document/177229#page=163) (read 2026-11-07)

Rules in the bylaw's general sections (parking, fences, suites, home businesses) also apply. All zones in Delta: https://govhandbook.com/ca/bc/delta/zoning/index.json

_Draft: taken from the bylaw text by a research agent and not yet reviewed by a person. Gov Handbook is an independent guide. Canonical page: https://govhandbook.com/ca/bc/delta/zoning/rd1/_