Roam Property Flow
Property Flow Report
Cross-Portal Listing Intelligence
Select Segment
Apartment
House
Sale
Rent
Apartment · Sale
208,362
across all portals
Avg Change Rate
12.3%/d
altered per day
Cross-Dup Rate
2.2%
listed on 2+ portals
Apartment · Sale
1 · Inventory Overview
Snapshot:
In the Apartment · Sale segment, corrected listing inventory totals 208,362 across all portals and 16 states: Immowelt 70,002 · Immoscout 82,349 · Kleinanzeigen 56,011.
| Portal | Listings | Share | Distribution |
|---|---|---|---|
 |
70,002 | 33.6% | |
 |
82,349 | 39.5% | |
 |
56,011 | 26.9% | |
| Total | 208,362 | 100% |
2 · Listing Change Rate — per Day
8.4%
listings/day
→ flat vs prev
8.6%
listings/day
→ flat vs prev
19.8%
listings/day
→ flat vs prev
3 · Average Time on Market
44d
median 22d · p90 122d
46d
median 20d · p90 118d
13d
median 8d · p90 25d
4 · Inner Duplication Rate
Deduplication:
Computed inner-duplication rates for Apartment · Sale: Kleinanzeigen 2.9%, ImmoWelt 4.8%, ImmoScout24 2.7%. IW shows the highest inner duplication at 4.8%, likely from Neubau project templates and CRM sync issues. IS24 and KA are both around 2.7–2.9%.
| Portal | Total Listings | Unique | Duplicates | Dup Rate |
|---|---|---|---|---|
|
|
70,002 | 66,628 | 3,374 | 4.8% |
|
|
82,349 | 80,126 | 2,223 | 2.7% |
|
|
56,011 | 54,364 | 1,647 | 2.9% |
5 · Price Distribution — EUR/m²
€4,149
median EUR/m²
P10€1,824
P25€2,849
Median€4,149
P75€5,874
P90€7,992
€3,878
median EUR/m²
P10€1,944
P25€2,791
Median€3,878
P75€5,476
P90€7,596
€3,750
median EUR/m²
P10€1,737
P25€2,618
Median€3,750
P75€5,177
P90€7,075
6 · Region Distribution
| Region |
|
|
|
Total |
|---|---|---|---|---|
| Baden-Württemberg | 11,621 | 16,283 | 9,233 | 37,137 |
| Bayern | 14,875 | 14,878 | 10,056 | 39,809 |
| Berlin | 7,060 | 9,418 | 4,748 | 21,226 |
| Brandenburg | 1,305 | 1,384 | 851 | 3,540 |
| Bremen | 721 | 591 | 726 | 2,038 |
| Hamburg | 1,962 | 1,907 | 913 | 4,782 |
| Hessen | 3,947 | 6,192 | 3,370 | 13,509 |
| Mecklenburg-Vorpommern | 1,366 | 1,340 | 920 | 3,626 |
| Niedersachsen | 5,427 | 5,065 | 5,503 | 15,995 |
| Nordrhein-Westfalen | 9,300 | 13,215 | 9,462 | 31,977 |
| Rheinland-Pfalz | 2,523 | 3,347 | 2,528 | 8,398 |
| Saarland | 771 | 386 | 742 | 1,899 |
| Sachsen | 4,255 | 4,165 | 3,276 | 11,696 |
| Sachsen-Anhalt | 772 | 713 | 774 | 2,259 |
| Schleswig-Holstein | 3,160 | 2,999 | 2,181 | 8,340 |
| Thüringen | 937 | 466 | 728 | 2,131 |
7 · Cross-Portal Duplication
Overlap:
Computed cross-portal overlap for Apartment · Sale: IW×IS24 3.1%, KA×IS24 4.0%, IW×KA 7.9%, all three 2.2%. Cross-portal overlap is moderate: IW×KA at 7.9% is the highest pair, driven by agents targeting first-time buyers on KA. IW×IS24 and IS24×KA are both around 3–4%. About 2.2% of listings appear on all three portals.
| Portal Pair | Shared Listings | Duplication Rate |
|---|---|---|
|
×
|
2,156 | 3.1% |
|
×
|
4,436 | 7.9% |
|
×
|
2,212 | 4.0% |
| All Three Portals | 1,215 | 2.2% |
House · Sale
1 · Inventory Overview
Snapshot:
In the House · Sale segment, corrected listing inventory totals 501,402 across all portals and 16 states: Immowelt 121,577 · Immoscout 198,478 · Kleinanzeigen 181,347.
| Portal | Listings | Share | Distribution |
|---|---|---|---|
|
|
121,577 | 24.2% | |
|
|
198,478 | 39.6% | |
|
|
181,347 | 36.2% | |
| Total | 501,402 | 100% |
2 · Listing Change Rate — per Day
8.8%
listings/day
→ flat vs prev
8.3%
listings/day
→ flat vs prev
23.7%
listings/day
→ flat vs prev
3 · Average Time on Market
42d
median 20d · p90 121d
50d
median 21d · p90 128d
11d
median 7d · p90 22d
4 · Inner Duplication Rate
Deduplication:
Computed inner-duplication rates for House · Sale: Kleinanzeigen 8.2%, ImmoWelt 7.2%, ImmoScout24 5.8%. KA leads inner duplication at 8.2%, driven by reposting and ad refreshing on long-TOM properties. IW follows at 7.2%, with IS24 at 5.8%.
| Portal | Total Listings | Unique | Duplicates | Dup Rate |
|---|---|---|---|---|
|
|
121,577 | 112,811 | 8,766 | 7.2% |
|
|
198,478 | 186,946 | 11,532 | 5.8% |
|
|
181,347 | 166,513 | 14,834 | 8.2% |
5 · Price Distribution — EUR/m²
€2,642
median EUR/m²
P10€956
P25€1,673
Median€2,642
P75€3,678
P90€4,927
€2,737
median EUR/m²
P10€1,042
P25€1,736
Median€2,737
P75€3,990
P90€5,533
€2,447
median EUR/m²
P10€870
P25€1,556
Median€2,447
P75€3,512
P90€4,976
6 · Region Distribution
| Region |
|
|
|
Total |
|---|---|---|---|---|
| Baden-Württemberg | 13,279 | 26,372 | 21,201 | 60,852 |
| Bayern | 19,422 | 26,543 | 23,955 | 69,920 |
| Berlin | 1,923 | 2,974 | 2,587 | 7,484 |
| Brandenburg | 5,787 | 12,331 | 11,640 | 29,758 |
| Bremen | 639 | 757 | 778 | 2,174 |
| Hamburg | 1,809 | 2,015 | 1,192 | 5,016 |
| Hessen | 7,816 | 13,639 | 12,557 | 34,012 |
| Mecklenburg-Vorpommern | 3,861 | 4,117 | 4,236 | 12,214 |
| Niedersachsen | 13,653 | 19,189 | 19,770 | 52,612 |
| Nordrhein-Westfalen | 16,820 | 37,052 | 32,349 | 86,221 |
| Rheinland-Pfalz | 11,743 | 23,140 | 19,153 | 54,036 |
| Saarland | 2,829 | 3,608 | 5,246 | 11,683 |
| Sachsen | 6,806 | 9,037 | 9,279 | 25,122 |
| Sachsen-Anhalt | 4,605 | 5,268 | 6,013 | 15,886 |
| Schleswig-Holstein | 6,258 | 7,936 | 6,285 | 20,479 |
| Thüringen | 4,327 | 4,500 | 5,106 | 13,933 |
7 · Cross-Portal Duplication
Overlap:
Computed cross-portal overlap for House · Sale: IW×IS24 19.9%, KA×IS24 19.1%, IW×KA 17.7%, all three 17.6%. The highest cross-portal overlap of any segment: ~19–20% between IW×IS24 and IS24×KA. Long time-on-market makes multi-homing cumulative. IW×KA overlap is 17.7%. 17.6% appear on all three portals.
| Portal Pair | Shared Listings | Duplication Rate |
|---|---|---|
|
×
|
24,206 | 19.9% |
|
×
|
21,531 | 17.7% |
|
×
|
34,637 | 19.1% |
| All Three Portals | 21,337 | 17.6% |
Apartment · Rent
1 · Inventory Overview
Snapshot:
In the Apartment · Rent segment, corrected listing inventory totals 242,395 across all portals and 16 states: Immowelt 53,576 · Immoscout 90,033 · Kleinanzeigen 98,786.
| Portal | Listings | Share | Distribution |
|---|---|---|---|
|
|
53,576 | 22.1% | |
|
|
90,033 | 37.1% | |
|
|
98,786 | 40.8% | |
| Total | 242,395 | 100% |
2 · Listing Change Rate — per Day
15.5%
listings/day
→ flat vs prev
14.8%
listings/day
→ flat vs prev
15.5%
listings/day
→ flat vs prev
3 · Average Time on Market
26d
median 9d · p90 71d
29d
median 8d · p90 83d
17d
median 9d · p90 35d
4 · Inner Duplication Rate
Deduplication:
Computed inner-duplication rates for Apartment · Rent: Kleinanzeigen 4.6%, ImmoWelt 2.2%, ImmoScout24 4.1%. KA and IS24 show similar inner duplication (~4.1–4.6%), likely from WG-splitting and repost loops. IW is lower at 2.2% due to smaller private-seller share.
| Portal | Total Listings | Unique | Duplicates | Dup Rate |
|---|---|---|---|---|
|
|
53,576 | 52,408 | 1,168 | 2.2% |
|
|
90,033 | 86,306 | 3,727 | 4.1% |
|
|
98,786 | 94,262 | 4,524 | 4.6% |
5 · Price Distribution — EUR/m²/mo
€13
median EUR/m²/mo
P10€8
P25€10
Median€13
P75€18
P90€26
€11
median EUR/m²/mo
P10€6
P25€8
Median€11
P75€15
P90€21
€13
median EUR/m²/mo
P10€8
P25€10
Median€13
P75€17
P90€23
6 · Region Distribution
| Region |
|
|
|
Total |
|---|---|---|---|---|
| Baden-Württemberg | 4,612 | 11,613 | 10,781 | 27,006 |
| Bayern | 6,979 | 10,129 | 11,776 | 28,884 |
| Berlin | 4,944 | 8,092 | 5,982 | 19,018 |
| Brandenburg | 1,303 | 2,239 | 2,441 | 5,983 |
| Bremen | 307 | 601 | 789 | 1,697 |
| Hamburg | 2,076 | 2,668 | 2,419 | 7,163 |
| Hessen | 2,670 | 6,500 | 6,490 | 15,660 |
| Mecklenburg-Vorpommern | 1,111 | 1,330 | 2,176 | 4,617 |
| Niedersachsen | 3,977 | 5,641 | 10,325 | 19,943 |
| Nordrhein-Westfalen | 9,090 | 19,620 | 19,363 | 48,073 |
| Rheinland-Pfalz | 1,428 | 3,217 | 4,143 | 8,788 |
| Saarland | 472 | 320 | 1,584 | 2,376 |
| Sachsen | 8,326 | 10,256 | 10,094 | 28,676 |
| Sachsen-Anhalt | 3,005 | 4,389 | 4,799 | 12,193 |
| Schleswig-Holstein | 1,370 | 2,048 | 2,721 | 6,139 |
| Thüringen | 1,906 | 1,370 | 2,903 | 6,179 |
7 · Cross-Portal Duplication
Overlap:
Computed cross-portal overlap for Apartment · Rent: IW×IS24 0.9%, KA×IS24 0.8%, IW×KA 3.2%, all three 0.7%. Cross-portal overlap is low overall. IW×KA at 3.2% is the highest pair; IW×IS24 and IS24×KA are below 1%. Only 0.7% appear on all three — mostly corporate housing portfolios.
| Portal Pair | Shared Listings | Duplication Rate |
|---|---|---|
|
×
|
488 | 0.9% |
|
×
|
1,736 | 3.2% |
|
×
|
747 | 0.8% |
| All Three Portals | 359 | 0.7% |
House · Rent
1 · Inventory Overview
Snapshot:
In the House · Rent segment, corrected listing inventory totals 14,408 across all portals and 16 states: Immowelt 2,525 · Immoscout 5,996 · Kleinanzeigen 5,887.
| Portal | Listings | Share | Distribution |
|---|---|---|---|
|
|
2,525 | 17.5% | |
|
|
5,996 | 41.6% | |
|
|
5,887 | 40.9% | |
| Total | 14,408 | 100% |
2 · Listing Change Rate — per Day
11.0%
listings/day
→ flat vs prev
10.0%
listings/day
→ flat vs prev
14.0%
listings/day
→ flat vs prev
3 · Average Time on Market
33d
median 14d · p90 80d
49d
median 16d · p90 121d
21d
median 10d · p90 46d
4 · Inner Duplication Rate
Deduplication:
Computed inner-duplication rates for House · Rent: Kleinanzeigen 0.2%, ImmoWelt 0.1%, ImmoScout24 0.3%. Very low inner duplication across all portals (<0.4%), reflecting the small, low-churn nature of the house rental segment.
| Portal | Total Listings | Unique | Duplicates | Dup Rate |
|---|---|---|---|---|
|
|
2,525 | 2,523 | 2 | 0.1% |
|
|
5,996 | 5,977 | 19 | 0.3% |
|
|
5,887 | 5,877 | 10 | 0.2% |
5 · Price Distribution — EUR/m²/mo
€14
median EUR/m²/mo
P10€9
P25€11
Median€14
P75€17
P90€21
€13
median EUR/m²/mo
P10€9
P25€11
Median€13
P75€16
P90€20
€12
median EUR/m²/mo
P10€6
P25€9
Median€12
P75€15
P90€19
6 · Region Distribution
| Region |
|
|
|
Total |
|---|---|---|---|---|
| Baden-Württemberg | 358 | 804 | 634 | 1,796 |
| Bayern | 511 | 885 | 948 | 2,344 |
| Berlin | 62 | 130 | 106 | 298 |
| Brandenburg | 77 | 203 | 190 | 470 |
| Bremen | 10 | 15 | 54 | 79 |
| Hamburg | 69 | 92 | 71 | 232 |
| Hessen | 173 | 633 | 422 | 1,228 |
| Mecklenburg-Vorpommern | 54 | 63 | 103 | 220 |
| Niedersachsen | 325 | 545 | 1,082 | 1,952 |
| Nordrhein-Westfalen | 310 | 1,692 | 954 | 2,956 |
| Rheinland-Pfalz | 144 | 393 | 396 | 933 |
| Saarland | 39 | 35 | 85 | 159 |
| Sachsen | 112 | 122 | 184 | 418 |
| Sachsen-Anhalt | 51 | 89 | 167 | 307 |
| Schleswig-Holstein | 186 | 250 | 356 | 792 |
| Thüringen | 44 | 45 | 135 | 224 |
7 · Cross-Portal Duplication
Overlap:
Computed cross-portal overlap for House · Rent: IW×IS24 2.0%, KA×IS24 0.4%, IW×KA 1.2%, all three 0.3%. Cross-portal overlap is minimal: IW×IS24 at 2.0% is the highest pair. KA overlap with other portals is around 0.4–1.2%. Only 0.3% appear on all three portals.
| Portal Pair | Shared Listings | Duplication Rate |
|---|---|---|
|
×
|
50 | 2.0% |
|
×
|
31 | 1.2% |
|
×
|
21 | 0.4% |
| All Three Portals | 7 | 0.3% |
8 · Dominant Agencies
Agency Landscape:
Agency analysis is not yet computed by the pipeline.