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SKYDB

SKYDB Building database

Tall buildings worldwide, with heights, construction status and the companies involved.

Rankings of tall buildings

Tall Building Markets

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Tall buildings, tracked.

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Rankings of tall buildings

World’s tallest skyscrapersTallest under constructionTallest planned buildingsBiggest citiesBiggest countries

Tall Building Markets

Global building statisticsBiggest cities worldwideCountry market overviewsConstruction activityAnnual completions

Tall buildings worldwide, with heights, construction status and the companies involved.

Speaker at a lectern in front of a skyscraper presentationView award winners

Research & data

Research with SKYDB InsightsData ExportsAPI AccessCreditsInteractive building map

Consulting & advertising

ConsultingSKYDB BrandingBanner advertisingContact SKYDBInsights questions & answers

Professional building research, data exports and API access, plus advertising offerings.

SKYDB Insights charts showing buildings by decade, status, use, floor count and heightView Insights plans

About SKYDB

Who we areTeam and editorsSKYDB AwardsNewsletterContact

Using SKYDB

Coverage and focusSources and qualityHow to add contentDefinitions and standardsKnowledge base

SKYDB is collecting verifiable information about buildings.

Chongqing skyline beside the riverAbout SKYDB

Panorama of Calgary File 475-871-881

Calgary city

structure #338769484building

London House

existing 27 floors

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Location of London House

Object dataJoin to edit

Floors27
Structural Formhigh-rise building
Main Usageresidential
Status existing
Architectural Stylemodern
Address505 4 Avenue SW
Smart Address505 4 Avenue SW
1st Level DistrictSouthwest Quadrant
2nd Level DistrictDowntown Commercial Core
CityCalgary
CountryCanada
Source: SKYDB | As of: 2026-09-24

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Rating

The rating reflects architectural quality and visual impact as judged by SKYDB users, and feeds into how this building is ranked across the site.

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