Proper etiquette when visiting someone's home can vary depending on the cultural norms of the country or region. Let's focus on the UK, as you specifically mentioned it. Here are some general guidelines for home visits in the UK:
Punctuality: It is essential to be punctual when visiting someone's home in the UK. Arriving on time shows respect for the host's schedule and planning.
Greeting: Greet the host with a smile and a friendly handshake or hug, depending on your level of familiarity.
Removing shoes: In many UK households, it is customary to remove your shoes at the door. Look for signs or follow the lead of your host.
Offering to bring something: If you have been invited for a meal or a gathering, it is customary to offer to bring a small gift, such as a bottle of wine, chocolates, or flowers, as a gesture of appreciation to the host.
Offering assistance: If you notice the host preparing food or drinks, offering to help is a polite gesture. However, if the host declines your offer, respect their decision.
Tea and refreshments: In the UK, offering a cup of tea is indeed a popular and traditional hospitality gesture. The host may offer you tea, coffee, or other refreshments upon your arrival or during your visit. If you'd like a cup of tea, it's perfectly acceptable to accept the offer, but you can also politely decline if you prefer something else.
Mind your manners: Use your best manners throughout the visit. Be polite, courteous, and respectful to your hosts and other guests.
Engage in conversation: Engage in conversation with your hosts and other guests. Ask questions, listen actively, and participate in discussions to make everyone feel comfortable and included.
Thank your hosts: At the end of your visit, express gratitude to your hosts for their hospitality and the enjoyable time spent together.
It's worth noting that customs and etiquette can differ in various parts of the world. While offering tea might be common in the UK, it might not be the case elsewhere. When visiting someone's home in a different country, it's always a good idea to familiarize yourself with their cultural norms to show respect and avoid any unintentional faux pas.