Updated a semidetached_house building

There are two houses here. They're semi-detached. One is No. 4. The other No. 5

The number shown here is wrong. What's shown is the plot number. The correct street number is 3.

There is no number shown here. The correct street number is 2.

The number shown here is wrong. What's shown is the plot number. The correct street number is 16.

The number shown here is wrong. What's shown is the plot number. The correct street number is 17.

The number shown here is wrong. What's shown is the plot number. The correct street number is 18.

The number shown here is wrong. What's shown is the plot number. The correct street number is 19.

The number shown here is wrong. What's shown is the plot number. The correct street number is 20.

The number shown here is wrong. What's shown is the plot number. The correct street number is 21.