Most English homes are constructed with stone or brick mined or manufactured in the same region. Bricks and stones come in a wide range of colors across the country. A wide variety of residential structures can be found across England. The plural "flat" refers to the apartment buildings common in urban areas.
In the United Kingdom, the conventional limitation term in most contracts is one to two years. Therefore, a builder is usually liable for their work for that long. As per the Limitation Act 1980, the time limit for claims not covered by standard contracts is six years.
The easiest approach to ensure that your craftsman is legal is to look into their Trade Association, which will give you an idea of their qualifications and expertise.
The builder's warranty covers the initial two years. If the builder refuses to make the necessary repairs, you can use NHBC's free resolution service, which will intervene and try to settle the disagreement on your behalf.