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New semi-detached house and 2 basement suites, approved at 2420 21 St NW

Someone has applied to build a new semi-detached house, a garage, and 2 basement suites at 2420 21 St NW, Banff Trail.

Permit DP2026-02114Applied Apr 14, 2026Needs City approval
On the map

Black: this application. Grey: other new homes and suites applied for nearby in the last 6 months. Circle: 500 m.

Status
  • Received by the CityApr 14, 2026
  • Gathering comments
  • Under review
  • Decision made, appeal period
  • ApprovedJul 13, 2026
See the plans on the City's site
What this lot allows
Up to 2 units
plus a suite (Permitted)
8.6 m tall
up to 10 m, depending on the houses next door
45%
of the lot can be covered
5,993 sq ft
lot size, with a back lane

Zoned R-C2 (Residential – Contextual One / Two Dwelling District). A house that matches the homes next door is Permitted. Any other design Needs City approval. This application Needs City approval, so the City reviews it and decides.

See the full lot breakdown
Also happening nearby

In the last 6 months, Banff Trail had 10 new houses, 5 multi-unit buildings, and 0 suites applied for.

What can your lot build?

Look up any Calgary address to see its zoning, setbacks and how many units it can hold.

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From the City of Calgary's development permit data, checked Nov 10, 2026. Contains information licensed under the Open Government Licence – City of Calgary. Amest is not part of, or endorsed by, the City of Calgary. Always confirm with the City before you build or buy. Is this your property and you'd like this page removed? Email support@amest.ca.