B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
49
49 -- investments with promotions count for Warsaw residential developers (2025)
In Warsaw, promotions appeared in 49 residential developments ahead of Black Friday.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
49
Unit
Count
Data Vintage
2025
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
RynekPierwotny.pl
Primary
Tier A
http://bigdata.rynekpierwotny.pl/newshub/aktualnosci-bigdata/jak-negocjowac-w-black-friday-jawnosc-c… ↗
Source Article
Jak negocjować w Black Friday? Jawność cen daje przewagę kupującym mieszkania od deweloperów
Original Research
RynekPierwotny.pl
· Original study ↗
Methodology
Number of Warsaw developments running promotions, vs 38 a year earlier
Methodology documented
Segmentation
Industryreal_estate
Cite this stat
Plain Text
Warsaw residential developers: 49 investments with promotions count. Source: RynekPierwotny.pl (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/warsaw-promo-investments-49
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<blockquote cite="https://lighthousedata.io/data/warsaw-promo-investments-49" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>49</strong> -- investments with promotions count for Warsaw residential developers<br><small>Source: RynekPierwotny.pl (2025) · <a href="https://lighthousedata.io/data/warsaw-promo-investments-49" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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