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Rear addition on a Denver duplex with deep blue vertical siding, a black-framed sliding glass door, a black-framed window, two lantern lights and concrete steps
Project Showcase · Home Addition

W 41st Ave Home Addition in Denver, CO

1845 West 41st Avenue, Denver, CO 80211

  • Home Addition

A 420 square foot addition off the rear of a 1905 Denver duplex, finished in deep blue vertical siding with a black-framed sliding door and a navy-and-brass powder room.

The Whole Project

A home addition off the back of a 1905 duplex

W 41st Ave is a 420 square foot home addition off the rear of a 1905 duplex in Denver. We added the new space onto the back of the original house, so a century-old home gained room without changing how it looks from the street.

Deep blue is the thread: on the vertical siding outside, and again on the vanity and the wallpaper in the powder room, with brushed brass details inside.

Chapter 1 · The Powder Room

Powder room: navy, brass and botanical wallpaper

The powder room is wrapped in a bold botanical wallpaper in navy, yellow and cream. A navy vanity with a white stone top, a round black mirror and brushed brass fixtures keep it crisp.

A white-trimmed window with a frosted lower pane brings in daylight without giving up privacy.

Powder room with a navy vanity, white stone top, round black mirror, brushed brass faucet and towel bar, and botanical wallpaper in navy, yellow and cream
Powder room window with white trim and a frosted lower pane, surrounded by navy and yellow botanical wallpaper, with a brass toilet paper holder
Chapter 2 · Inside and Out

Bright hallway and a backyard patio

Inside, white walls and trim and dark wood-look floors keep the new space bright and calm. Outside, the addition looks onto a flagstone patio and a fenced yard, which were already part of the property.

Bright hallway with white trim and walls, dark wood-look floors and a doorway leading to a room beyond
Backyard with a flagstone patio, outdoor seating, a covered hot tub and a wood fence on a sunny day
Scope at a Glance

What we built on this Denver home addition

  • 420 square foot addition off the rear of a 1905 duplex
  • Deep blue vertical siding with lantern lights
  • Black-framed sliding glass door and windows
  • Concrete entry steps to the yard
  • White trim, painted walls and dark wood-look floors
  • Powder room with wallpaper, a navy vanity and brass fixtures

Planning a home addition?

Tell us what you need more room for. We will come take a look and tell you what it takes. We build and remodel from Fort Collins to Denver.

Powder room vanity and wallpaper
Powder room window and wallpaper
Hallway with white trim
Backyard patio