Skip to content

A blueprint to halve obesity in the UK comparing over 30 policies to help reduce the prevalence of obesity

A toolkit to support the design, implementation and scaling of dietary health policies that are most likely to work.

Themes

Large scale roll-out of pharmacological interventions

Extend access to pharmacotherapy so that approximately 3 million people (BMI≥30) receive Semaglutide each year
Targeted
Clinical
Devolved
Very high

Relative reduction in obesity prevalence: 41%

Relative reduction in obesity prevalence: 41%

Very high

Reliability and validity rating: 5/5

Reliability and validity rating: 5/5

Very high

Costs to governments over 5 years: £42bn

Benefit to governments per year: £26bn

Costs to governments over 5 years: £42bn

Benefit to governments per year: £26bn

Ban on all HFSS price promotions in food retail businesses

Ban all price promotions (e.g. was/now prices, introductory prices, temporary price reductions) of HFSS foods in the retail sector excluding small and micro businesses
Prevention
Promotions
Retail
Devolved
Children
Very high

Relative reduction in obesity prevalence: 29%

Relative reduction in obesity prevalence: 29%

Very high

Reliability and validity rating: 5/5

Reliability and validity rating: 5/5

Very low

Costs to governments over 5 years: £0.5m

Benefit to governments per year: £18bn

Costs to governments over 5 years: £0.5m

Benefit to governments per year: £18bn

Introduce healthiness targets for large retailers

Regulate large retailers to change their sales-weighted converted NPM score to ≥ 69 across their entire food product portfolio
Prevention
Industry
Retail
Energy
Reformulation
Devolved
Very high

Relative reduction in obesity prevalence: 25%

Relative reduction in obesity prevalence: 25%

Mod.

Reliability and validity rating: 3/5

Reliability and validity rating: 3/5

Very low

Costs to governments over 5 years: £0.2m

Benefit to governments per year: £16bn

Costs to governments over 5 years: £0.2m

Benefit to governments per year: £16bn

Restrict in-store HFSS positioning

Restrict in-store checkout, end-of-aisle, and entrance sales of food and drinks high in fat, salt, and sugar (HFSS)
Prevention
Promotions
Retail
Positioning
Devolved
Very high

Relative reduction in obesity prevalence: 16%

Relative reduction in obesity prevalence: 16%

Very high

Reliability and validity rating: 5/5

Reliability and validity rating: 5/5

Very low

Costs to governments over 5 years: £0.2m

Benefit to governments per year: £10bn

Costs to governments over 5 years: £0.2m

Benefit to governments per year: £10bn

Restrict advertising of HFSS products

Restrict advertising for HFSS products: implement a 2100-0530 watershed for TV and online advertising, alongside strict limitations on online paid advertisements, as well as prohibiting all HFSS advertisements on public transport, including bus stops, train stations, and tube stations (via national regulation)
Prevention
Advertising
Food system
Children
Industry
Enforced
UK-wide
Very high

Relative reduction in obesity prevalence: 16%

Relative reduction in obesity prevalence: 16%

High

Reliability and validity rating: 4/5

Reliability and validity rating: 4/5

High

Costs to governments over 5 years: £95m

Benefit to governments per year: £10bn

Costs to governments over 5 years: £95m

Benefit to governments per year: £10bn

Tax sugar and salt sold in processed foods

Introduce a £3/kg tax on sugar and a £6/kg tax on salt sold for use in processed foods or in restaurants and catering businesses
Prevention
Fiscal
Industry
Energy
Reformulation
High

Relative reduction in obesity prevalence: 12%

Relative reduction in obesity prevalence: 12%

High

Reliability and validity rating: 4/5

Reliability and validity rating: 4/5

Mod.

Costs to governments over 5 years: £28m

Benefit to governments per year: £7bn

Costs to governments over 5 years: £28m

Benefit to governments per year: £7bn

Enforce front-of-pack labelling

Enforce the provision of front-of-pack labelling, similar to Nutri-Score, on retail packaging
Prevention
Retail
Information
UK-wide
Enforced
High

Relative reduction in obesity prevalence: 7%

Relative reduction in obesity prevalence: 7%

High

Reliability and validity rating: 4/5

Reliability and validity rating: 4/5

Low

Costs to governments over 5 years: £18m

Benefit to governments per year: £5bn

Costs to governments over 5 years: £18m

Benefit to governments per year: £5bn

Mandate retailers and manufacturers to implement maximum calorie limits

Mandate large retail and manufacturing businesses to implement calorie reduction targets to reach the maximum calorie guideline for products in categories specified in Public Health England's (PHE’s) 2020 guidance
Prevention
Retail
Industry
Energy
UK-wide
High

Relative reduction in obesity prevalence: 6%

Relative reduction in obesity prevalence: 6%

Mod.

Reliability and validity rating: 3/5

Reliability and validity rating: 3/5

Very low

Costs to governments over 5 years: £0.2m

Benefit to governments per year: £4bn

Costs to governments over 5 years: £0.2m

Benefit to governments per year: £4bn

Increase referrals to total diet replacement programmes

Everyone with a BMI of 30 or above is offered a free referral to a total diet replacement programme via primary care.
Targeted
Clinical
Devolved
Local
High

Relative reduction in obesity prevalence: 5%

Relative reduction in obesity prevalence: 5%

Very high

Reliability and validity rating: 5/5

Reliability and validity rating: 5/5

High

Costs to governments over 5 years: £1.9bn

Benefit to governments per year: £3bn

Costs to governments over 5 years: £1.9bn

Benefit to governments per year: £3bn

Extend access to universal healthy free school meals

Introduce universal free healthy school meals for all primary school children during term time
Prevention
Schools
Access
Children
Devolved
Local
Mod.

Relative reduction in obesity prevalence: 2%

Although this policy has limited impact for reducing national obesity rates, it is beneficial for increasing access to nutritious food for child health

Relative reduction in obesity prevalence: 2%

Although this policy has limited impact for reducing national obesity rates, it is beneficial for increasing access to nutritious food for child health

High

Reliability and validity rating: 4/5

Reliability and validity rating: 4/5

Very high

Costs to governments over 5 years: £13bn

Benefit to governments per year: £0.3bn

Costs to governments over 5 years: £13bn

Benefit to governments per year: £0.3bn

Ban HFSS price promotions in out of home (OOH) businesses 

Ban all price promotions (eg, was/now prices, introductory prices, temporary price reductions) of HFSS foods for large out of home businesses such as restaurants, coffee shops, fast food outlets (medium, small and micro businesses are excluded)
Prevention
Promotions
Out of home
Devolved
Children
Mod.

Relative reduction in obesity prevalence: 2%

Relative reduction in obesity prevalence: 2%

High

Reliability and validity rating: 4/5

Reliability and validity rating: 4/5

Very low

Cost to governments over 5 years: £0.5m

Benefit to governments per year: £1bn

Cost to governments over 5 years: £0.5m

Benefit to governments per year: £1bn

Extend access to pharmacological interventions

Provide an extra £500 million of ring-fenced funding per year to increase access to NICE recommended weight-loss treatments (liraglutide and semaglutide)
Targeted
Clinical
Devolved
Mod.

Relative reduction in obesity prevalence: 2%

Relative reduction in obesity prevalence: 2%

Very high

Reliability and validity rating: 5/5

Reliability and validity rating: 5/5

High

Costs to governments over 5 years: £2.5bn

Benefit to governments per year: £1bn

Costs to governments over 5 years: £2.5bn

Benefit to governments per year: £1bn

Mandate the out of home (OOH) sector to implement maximum calorie limits

Mandate large businesses in the OOH sector to implement calorie reduction targets to reach maximum calorie guidelines for products in categories specified in Public Health England's (PHE’s) 2020 guidance
Prevention
Out of home
Industry
Energy
UK-wide
Mod.

Relative reduction in obesity prevalence: 1%

Relative reduction in obesity prevalence: 1%

High

Reliability and validity rating: 4/5

Reliability and validity rating: 4/5

Low

Cost to governments over 5 years: £10m

Benefit to governments per year: £0.7bn

Cost to governments over 5 years: £10m

Benefit to governments per year: £0.7bn

Incentivise reformulation of HFSS

Reduce energy density by 10% in HFSS by providing reformulation grants to retail and OOH businesses (repayable if conditions not met)
Prevention
Retail
Industry
Reformulation
Devolved
Mod.

Relative reduction in obesity prevalence: 1%

Relative reduction in obesity prevalence: 1%

Low

Reliability and validity rating: 2/5

Reliability and validity rating: 2/5

High

Costs to governments over 5 years: £500m

Benefit to governments per year: £0.7bn

Costs to governments over 5 years: £500m

Benefit to governments per year: £0.7bn

Ban HFSS volume promotions in food retail businesses

End all volume offers for HFSS products which contribute significant sugar and calories to children’s diets and are of most concern for childhood obesity, in the retail sector excluding small and micro businesses
Prevention
Promotions
Retail
Devolved
Children
Mod.

Relative reduction in obesity prevalence: 0.7%

Relative reduction in obesity prevalence: 0.7%

Mod.

Reliability and validity rating: 3/5

Reliability and validity rating: 3/5

Very low

Costs to governments over 5 years: £0.5m

Benefit to governments per year: £0.4bn

Costs to governments over 5 years: £0.5m

Benefit to governments per year: £0.4bn

Fund citizen incentives to improve healthier behaviours

Allocate £500 million over five years to fund a programme of financial incentives to improve health behaviours in local authorities (LAs) with the highest obesity rates
Prevention
Education
Access
UK-wide
Devolved
Mod.

Relative reduction in obesity prevalence: 0.7%

Relative reduction in obesity prevalence: 0.7%

High

Reliability and validity rating: 4/5

Reliability and validity rating: 4/5

High

Costs to governments over 5 years: £500m

Benefit to governments per year: £0.3bn

Costs to governments over 5 years: £500m

Benefit to governments per year: £0.3bn

Expand the soft drinks industry levy

Expand the soft drinks industry levy to sweetened milk-based drinks
Prevention
Fiscal
Industry
Energy
Reformulation
Devolved
Mod.

Relative reduction in obesity prevalence: 0.6%

Relative reduction in obesity prevalence: 0.6%

High

Reliability and validity rating: 4/5

Reliability and validity rating: 4/5

Low

Costs to governments over 5 years: £0.6m

Benefit to governments per year: £0.4bn

Costs to governments over 5 years: £0.6m

Benefit to governments per year: £0.4bn

Mass media campaigns

Fund and roll out mass media campaigns aiming to promote healthy eating
Prevention
Education
Devolved
Local
Mod.

Relative reduction in obesity prevalence: 0.6%

Relative reduction in obesity prevalence: 0.6%

High

Reliability and validity rating: 4/5

Reliability and validity rating: 4/5

Low

Costs to governments over 5 years: £5m
Benefit to governments per year: £0.3bn

Costs to governments over 5 years: £5m
Benefit to governments per year: £0.3bn

Invest in active transport

Invest £500 million over five years in Local Authorities (LAs) to plan and deliver active transport
Prevention
Planning
Local
Devolved
Low

Relative reduction in obesity prevalence: 0.4%

This policy has limited impact for reducing national obesity rates. It is beneficial for other health outcomes including mental health and wellbeing.

Relative reduction in obesity prevalence: 0.4%

This policy has limited impact for reducing national obesity rates. It is beneficial for other health outcomes including mental health and wellbeing.

Low

Reliability and validity rating: 2/5

Reliability and validity rating: 2/5

High

Costs to governments over 5 years: £500m

Benefit to governments per year: £0.1bn

Costs to governments over 5 years: £500m

Benefit to governments per year: £0.1bn

Expand access to bariatric surgery

Double the amount of people living with obesity receiving surgery (from approx 6,500 per year to 13,000 per year)
Targeted
Clinical
Devolved
Low

Relative reduction in obesity prevalence: 0.4%

Relative reduction in obesity prevalence: 0.4%

Very high

Reliability and validity rating: 5/5

Reliability and validity rating: 5/5

High

Costs to governments over 5 years: £250m

Benefit to governments per year: £0.2bn

Costs to governments over 5 years: £250m

Benefit to governments per year: £0.2bn

Mandate health-based standards in public sector catering contracts

Mandate the inclusion of health-based standards in catering contracts that serve public spaces (eg, hospitals, prisons, social care)
Access
Availability
Food system
Prevention
Retail
UK-wide
Low

Relative reduction in obesity prevalence: 0.2%

Relative reduction in obesity prevalence: 0.2%

Low

Reliability and validity rating: 2/5

Reliability and validity rating: 2/5

Low

Costs to governments over 5 years: £12m

Benefit to governments per year: £0.1bn

Costs to governments over 5 years: £12m

Benefit to governments per year: £0.1bn

Restrict delivery platform HFSS ‘location’ promotions

Restrict 'location' promotions on digital food/drink delivery platforms of food and drinks high in fat, salt, and sugar (HFSS)
Prevention
Promotions
Retail
Out of home
Devolved
Low

Relative reduction in obesity prevalence: 0.1%

Relative reduction in obesity prevalence: 0.1%

High

Reliability and validity rating: 4/5

Reliability and validity rating: 4/5

Very low

Cost to governments over 5 years: £0.05m

Benefit to governments per year: £0.1bn

Cost to governments over 5 years: £0.05m

Benefit to governments per year: £0.1bn

Ban HFSS volume promotions in out of home (OOH) businesses

Ban all volume promotions on HFSS products for large out of home businesses such as restaurants, coffee shops, fast food outlets (medium, small and micro businesses are excluded)
Prevention
Promotions
Devolved
Out of home
Low

Relative reduction in obesity prevalence: 0.1%

Relative reduction in obesity prevalence: 0.1%

Mod.

Reliability and validity rating: 3/5

Reliability and validity rating: 3/5

Very low

Cost to governments over 5 years: £0.5m

Benefit to governments per year: £0.1bn

Cost to governments over 5 years: £0.5m

Benefit to governments per year: £0.1bn

Increase referrals to family-based obesity prevention programmes 

Provide £85 million of funding per year for increased rollout of family-based programmes to the local authorities (LAs) with the highest childhood obesity rates
Targeted
Children
Devolved
Local
Low

Relative reduction in obesity prevalence: 0.04%

Relative reduction in obesity prevalence: 0.04%

Mod.

Reliability and validity rating: 3/5

Reliability and validity rating: 3/5

Mod.

Costs to governments over 5 years: £425m

Benefit to governments per year: £20m

Costs to governments over 5 years: £425m

Benefit to governments per year: £20m

Increase school-based physical activity

Allocate £100 million per year to improve the provision of physical education (PE) and increase physical activity in school children
Prevention
Education
Schools
Children
Devolved
Very low

Relative reduction in obesity prevalence: 0%

Although this policy scores low for impact on population-level obesity rates, it could be beneficial for mental health outcomes in young people

Relative reduction in obesity prevalence: 0%

Although this policy scores low for impact on population-level obesity rates, it could be beneficial for mental health outcomes in young people

Very high

Reliability and validity rating: 5/5

Reliability and validity rating: 5/5

High

Costs to governments over 5 years: £500m

Benefit to governments per year: £0

Costs to governments over 5 years: £500m

Benefit to governments per year: £0

Grocery stores in deprived areas with low supermarket density

Provide business rates relief of 75% to new or expanded businesses selling fresh fruit and vegetables opening in deprived areas with low supermarket density
Prevention
Planning
Access
Devolved
Local
Very low

Relative reduction in obesity prevalence: 0%

Relative reduction in obesity prevalence: 0%

Mod.

Reliability and validity rating: 3/5

Reliability and validity rating: 3/5

Low

Cost to governments over 5 years: £6m

Benefit to governments per year: £0

Cost to governments over 5 years: £6m

Benefit to governments per year: £0

Reduce number of takeaways in proximity to schools

Restrict the number of new fast food restaurants opening within 400 metres of schools
Prevention
Planning
Retail
Local
Children
Schools
Very low

Relative reduction in obesity prevalence: 0%

Relative reduction in obesity prevalence: 0%

Mod.

Reliability and validity rating: 3/5

Reliability and validity rating: 3/5

Very low

Costs to governments over 5 years: £0.5m

Benefit to governments per year: £0

Costs to governments over 5 years: £0.5m

Benefit to governments per year: £0

Data collection on healthiness of product portfolios

Mandate data collection of sales and nutritional information for large businesses (in a data reporting framework such as the FDTP)
Prevention
Retail
Industry
Energy
Monitoring
Devolved
Very low

Relative reduction in obesity prevalence: 0%

Relative reduction in obesity prevalence: 0%

Low

Reliability and validity rating: 2/5

Reliability and validity rating: 2/5

Very low

Costs to governments over 5 years: £1m

Benefit to governments per year: £0

Costs to governments over 5 years: £1m

Benefit to governments per year: £0

Nutritional education in schools

Allocate £100 million per year to improve nutrition and food preparation literacy in childhood through the state education system
Prevention
Education
Schools
Children
Devolved
Very low

Relative reduction in obesity prevalence: 0%

Relative reduction in obesity prevalence: 0%

Very high

Reliability and validity rating: 5/5

Reliability and validity rating: 5/5

High

Costs to governments over 5 years: £500m
Benefit to governments per year: £0

Costs to governments over 5 years: £500m
Benefit to governments per year: £0

Obesity monitoring for children

Continued universal BMI monitoring for children in reception and year 6
Prevention
Monitoring
Children
Schools
Devolved
Very low

Relative reduction in obesity prevalence: 0%

Relative reduction in obesity prevalence: 0%

High

Reliability and validity rating: 4/5

Reliability and validity rating: 4/5

Low

Costs to governments over 5 years: £118m

Benefit to governments per year: £0

Costs to governments over 5 years: £118m

Benefit to governments per year: £0

Pending policy

Restrict all brand advertising

Advertising

Pending policy

Increase the provision of multicomponent lifestyle weight management services

Targeted

Pending policy

Policies to reduce calories consumed from alcoholic beverages

Prevention

No individual policy listed here will halve obesity. Our policy packages may help you consider how policies can be effective in parallel with one another.