Family values can vary significantly from one culture to another, and comparing British and Vietnamese family values should be done with an understanding that there can be a wide range of individual beliefs and practices within each culture. That being said, here are some general differences that have been observed between British and Vietnamese family values:

1. Collectivism vs. Individualism:
- Vietnamese: Vietnamese culture tends to emphasize collectivism, where the needs and interests of the family as a whole often take precedence over individual desires. Family members are expected to support and take care of one another throughout their lives.
- British: British culture, on the other hand, leans more toward individualism. While family is important, there is a greater emphasis on individual autonomy, personal achievement, and personal fulfillment.

2. Respect for Elders:
- Vietnamese: Vietnamese culture places a strong emphasis on respecting and honoring elders. Elders are often consulted for important decisions, and children are expected to take care of their parents in their old age.
- British: In British culture, while there is still respect for elders, the level of deference and involvement of elders in decision-making may not be as pronounced as in Vietnamese culture.

3. Communication Styles:
- Vietnamese: Vietnamese tend to value indirect communication and often avoid confrontation. They may use non-verbal cues and gestures to express their feelings, and disagreements within the family may be handled with subtlety.
- British: British communication tends to be more direct and open. They are generally comfortable expressing their opinions and feelings openly, even within the family setting.

4. Gender Roles
- Vietnamese: Traditional gender roles are more pronounced in Vietnam, with clear expectations for men and women in the family. However, these roles have been evolving in recent years, especially in urban areas.
- British: Gender roles in the UK have also evolved, with more emphasis on gender equality. Women's roles in British society have expanded, and there is a greater expectation of shared responsibilities within the family.

5. Marriage and Arranged Marriages:
- Vietnamese: While arranged marriages are less common today, they have been a part of Vietnamese culture in the past. Marriages are often seen as a union of families, and parental approval can carry significant weight.
- British: In the UK, love marriages are the norm, and individuals have greater freedom in choosing their partners. Marriages are seen as a personal choice rather than a family arrangement.

6. Education and Career:
- Vietnamese: Vietnamese families often place a high value on education and may make significant sacrifices to ensure their children receive a good education. Stable and respected careers are also highly regarded.
- British: British families also value education and career success, but there may be a more relaxed attitude toward career choices, allowing individuals to pursue their passions and interests.

It's important to note that these are generalizations and that individual families within each culture can have their unique values and practices. Additionally, both British and Vietnamese societies are diverse and evolving, so these differences may not hold true for every individual or family.