According to Wikipedia:
1- Barcelona - 99,354
2 - Borussia Dortmund - 81,365
3 - Real Madrid - 81,044
4 - AC Milan & Inter Milan - 80,018
5 - Man United - 75,731
6 - Bayern Munich - 75,024
7 - Hertha Berlin - 74,064
8 - Roma & Lazio - 72,698
9 - Zenit St Petersburg - 68, 134
10 - Atletico Madrid - 67,703
11 - Marseille - 67,394
12 - Benfica - 64,642
13 - Tottenham Hotspur - 62,303
14 - Schalke - 62,271
The stadium increase planned takes us up to 13th biggest club stadium in Europe, a place higher than we are at present just behind Schalke 04. That will soon move further up the list with Roma & both Milans set to relocate.
1. Real Madrid – $4.24bn (£3.38bn)
2. Barcelona – $4bn (£3.19bn)
3. Manchester United – $3.8bn (£3.03bn)
4. Bayern Munich – $3bn (£2.39bn)
5. Manchester City – $2.69bn (£2.15bn)
6. Chelsea – $2.6bn (£2.07bn)
7. Woolwich – $2.3bn (£1.83bn)
8. Liverpool – $2.18bn (£1.74bn)
9. Tottenham Hotspur $1.62 (£1.29bn)
10. Juventus $1.51 (£1.2bn)
11. Paris Saint-Germain $1.09bn (£870m)
12. Atletico Madrid $953m (£760m)
13. Borussia Dortmund $896m (£714m)
14. Schalke $683m (£545m)
15. Inter Milan $672m (£536m)
16. Roma $622m (£496m)
17. West Ham $616m (£491m)
18. AC Milan $583m (£465m)
19. Everton $476m (£379m)
20. Newcastle United $381m (£304m)
Going by the most valuable clubs list, we find ourselves having the overall 5th biggest club stadium in Europe, trailing only Real Madrid, Barcelona, Man United and Bayern Munich.