Lewisham Council - Losing weight

Weight management

Being a healthy weight is important.

Check your weight

A good way to check if you and your family are keeping to a healthy weight is to check your body mass index (BMI). This will give you an upper and a lower range that is right for your height and age. You can also check the BMI of other members of your family, including your children.

Use the BMI calculator.


If you are underweight, find out more about eating a range of foods to help you gain weight.


If you are overweight or obese, try to lose some weight. Aim to lose weight gradually – up to 2lbs a week – by eating a balanced diet. There is help available in the borough if you are trying to lose weight:

Weight management groups

If you have had an NHS Health Check, or are referred by your GP, and have a BMI of 30+ (28+ for southeast Asian people), you can attend up to 12 weekly meetings for free and gain access to online tools for 16 weeks for Weight Watchers or Slimming World.

Make sure that any group you decide to attend is one that is recommended by national guidance, for example, Slimming World, Rosemary Conley or Weight Watchers.

Referral to a dietician

If you have a BMI of 35+ (or a BMI 30+ if you have two or more existing diseases), you can be referred to a community dietician for specialist weight management. The clinics take place in a one-to-one environment and you can be referred by your GP, practice nurse or our health trainers.

Tools and advice to help you lose weight (NHS Choices)

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