Team reviewing localised London borough ethnicity maps on cork board - Black woman in green blazer presenting localisation

May 28, 2025

The Growing Value of London’s Non-White British for Audience Planning

London is no longer majority White British. To stay relevant and drive ROI, brands need multi-dimensional messaging for a city that is 46.2% non-white and 63.2% ethnically diverse.

⏱ 4 min read

By mediareach

Multicultural marketing is not a buzz term. It is audience planning for the city you actually live in.

London exists as a growing multicultural society, and this infographic was created to highlight one thing: relevance drives ROI. When brands use multi-dimensional messaging and media planning, they achieve higher relevance, and higher returns. When they don't, they pay for it in wasted media and lost trust.

London by the Numbers: No Longer Majority White British

The 2021 Census made it official. Only 36.8% of Londoners identify as White British, and just 53.8% identify as White in total. That means 46.2% of London is non-white, Asian, Black, Mixed and Other ethnicities.


Add in White ethnic minorities (Other White, Irish), and London is 63.2% ethnically diverse, the most diverse region in England and Wales. For comparison, Trust for London reports 46% of Londoners are BME compared to 14% for England as a whole.

Diverse team workshopping audience planning at whiteboard with sticky notes and journey map - London multicultural growth

Why Cultural Relevance Equals Commercial Value

Relevance isn't soft. It's sales.

Newsworks research found that cultural relevance drives 15% of UK sales, worth £147bn of the £978bn total UK consumer spending in 2025. And the brands that get it right are worth nearly three times more than those that don't.


In multicultural London, that effect is amplified. Data shows 53% of BAME audiences say they're more likely to purchase from brands that reflect their culture, and 51% actively seek out those that do. Freezing out multicultural Britain doesn't just look outdated, it hits commercials.

"Our data shows multicultural communities are not just watching, they're paying attention to who gets seen, how they're portrayed, and whether brands get them."

Decision Marketing

Multicultural Britain Study

What Multi-Dimensional Planning Really Means

One-size-fits-all planning wastes budget. Multi-dimensional planning means:

  • Message by dimension, not just demographics: Language, faith, generation, identity and borough all shape response. A second-generation Bangladeshi Londoner in Tower Hamlets and a first-generation Nigerian Londoner in Peckham don't respond to the same creative.


  • Media by relevance, not just reach: News brands delivered the highest ROI for cultural relevance at £3.97 per £1, with £0.45 coming directly from cultural relevance, double the average uplift. TV, radio and OOH also over-index for relevance. Digital works when format aligns with audience psychology.


  • Plan for ROI, not just representation: This infographic was built to ensure brands achieve the highest levels of relevance and ROI. That means planning for attention, trust and purchase, not just inclusion.

Mediareach infographic The Growing Value of London's Non-White British Audiences for Media Planning - diversity growth chart

London is not becoming diverse. It is diverse. With only 36.8% White British and 46.2% non-white, non-White British audiences are not an add-on, they are the core audience for any London plan.

Multicultural marketing is audience planning done properly. Brands aligned to this reality stay relevant. Those that aren't, won't.

Diverse Mediareach team collaborating on multicultural audience planning with London skyline Gherkin and Shard in office window

Planning for London? Plan for Everyone in London.

Mediareach turns Census data and cultural insight into multi-dimensional media plans that drive relevance and ROI in London's super-diverse market.

Sources & References
  • ONS Census 2021: 53.8% White in London, 46.2% non-white; 36.8% White British. Population Pie 2025 restatement: White 53.8% and remainder Asian 20.7%, Black 13.5%, Mixed 5.7%, Other 6.3% = 46.2% non-white.

  • Trust for London: 46% of Londoners are BME vs 14% for England as a whole.

  • Newsworks / The Media Leader: Cultural relevance drives 15% of UK sales worth £147bn of £978bn consumer spending; news brands ROI £3.97 with £0.45 from cultural relevance.

  • Decision Marketing: 53% of BAME audiences more likely to purchase from brands reflecting culture, 51% actively seek out those brands.

  • Business Wire CultureLab: Culturally relevant brands worth nearly 3x more.

London non-white British audiences

London multicultural audience planning

London diversity 2021 census

audience planning London

multicultural marketing ROI

cultural relevance sales

BAME audience London

Mediareach infographic

London 46% non-white

White British minority London

The UK's pioneering multicultural marketing and advertising agency. Over 40 years connecting brands with diverse communities through cultural insight, creative excellence, and intelligent media strategy.

SEO Head
Team reviewing localised London borough ethnicity maps on cork board - Black woman in green blazer presenting localisation

May 28, 2025

The Growing Value of London’s Non-White British for Audience Planning

London is no longer majority White British. To stay relevant and drive ROI, brands need multi-dimensional messaging for a city that is 46.2% non-white and 63.2% ethnically diverse.

⏱ 4 min read

By mediareach

Multicultural marketing is not a buzz term. It is audience planning for the city you actually live in.

London exists as a growing multicultural society, and this infographic was created to highlight one thing: relevance drives ROI. When brands use multi-dimensional messaging and media planning, they achieve higher relevance, and higher returns. When they don't, they pay for it in wasted media and lost trust.

London by the Numbers: No Longer Majority White British

The 2021 Census made it official. Only 36.8% of Londoners identify as White British, and just 53.8% identify as White in total. That means 46.2% of London is non-white, Asian, Black, Mixed and Other ethnicities.


Add in White ethnic minorities (Other White, Irish), and London is 63.2% ethnically diverse, the most diverse region in England and Wales. For comparison, Trust for London reports 46% of Londoners are BME compared to 14% for England as a whole.

Diverse team workshopping audience planning at whiteboard with sticky notes and journey map - London multicultural growth

Why Cultural Relevance Equals Commercial Value

Relevance isn't soft. It's sales.

Newsworks research found that cultural relevance drives 15% of UK sales, worth £147bn of the £978bn total UK consumer spending in 2025. And the brands that get it right are worth nearly three times more than those that don't.


In multicultural London, that effect is amplified. Data shows 53% of BAME audiences say they're more likely to purchase from brands that reflect their culture, and 51% actively seek out those that do. Freezing out multicultural Britain doesn't just look outdated, it hits commercials.

"Our data shows multicultural communities are not just watching, they're paying attention to who gets seen, how they're portrayed, and whether brands get them."

Decision Marketing

Multicultural Britain Study

What Multi-Dimensional Planning Really Means

One-size-fits-all planning wastes budget. Multi-dimensional planning means:

  • Message by dimension, not just demographics: Language, faith, generation, identity and borough all shape response. A second-generation Bangladeshi Londoner in Tower Hamlets and a first-generation Nigerian Londoner in Peckham don't respond to the same creative.


  • Media by relevance, not just reach: News brands delivered the highest ROI for cultural relevance at £3.97 per £1, with £0.45 coming directly from cultural relevance, double the average uplift. TV, radio and OOH also over-index for relevance. Digital works when format aligns with audience psychology.


  • Plan for ROI, not just representation: This infographic was built to ensure brands achieve the highest levels of relevance and ROI. That means planning for attention, trust and purchase, not just inclusion.

Mediareach infographic The Growing Value of London's Non-White British Audiences for Media Planning - diversity growth chart

London is not becoming diverse. It is diverse. With only 36.8% White British and 46.2% non-white, non-White British audiences are not an add-on, they are the core audience for any London plan.

Multicultural marketing is audience planning done properly. Brands aligned to this reality stay relevant. Those that aren't, won't.

Diverse Mediareach team collaborating on multicultural audience planning with London skyline Gherkin and Shard in office window

Planning for London? Plan for Everyone in London.

Mediareach turns Census data and cultural insight into multi-dimensional media plans that drive relevance and ROI in London's super-diverse market.

Sources & References
  • ONS Census 2021: 53.8% White in London, 46.2% non-white; 36.8% White British. Population Pie 2025 restatement: White 53.8% and remainder Asian 20.7%, Black 13.5%, Mixed 5.7%, Other 6.3% = 46.2% non-white.

  • Trust for London: 46% of Londoners are BME vs 14% for England as a whole.

  • Newsworks / The Media Leader: Cultural relevance drives 15% of UK sales worth £147bn of £978bn consumer spending; news brands ROI £3.97 with £0.45 from cultural relevance.

  • Decision Marketing: 53% of BAME audiences more likely to purchase from brands reflecting culture, 51% actively seek out those brands.

  • Business Wire CultureLab: Culturally relevant brands worth nearly 3x more.

London non-white British audiences

London multicultural audience planning

London diversity 2021 census

audience planning London

multicultural marketing ROI

cultural relevance sales

BAME audience London

Mediareach infographic

London 46% non-white

White British minority London

The UK's pioneering multicultural marketing and advertising agency. Over 40 years connecting brands with diverse communities through cultural insight, creative excellence, and intelligent media strategy.

SEO Head
Team reviewing localised London borough ethnicity maps on cork board - Black woman in green blazer presenting localisation

May 28, 2025

The Growing Value of London’s Non-White British for Audience Planning

London is no longer majority White British. To stay relevant and drive ROI, brands need multi-dimensional messaging for a city that is 46.2% non-white and 63.2% ethnically diverse.

⏱ 4 min read

By mediareach

Multicultural marketing is not a buzz term. It is audience planning for the city you actually live in.

London exists as a growing multicultural society, and this infographic was created to highlight one thing: relevance drives ROI. When brands use multi-dimensional messaging and media planning, they achieve higher relevance, and higher returns. When they don't, they pay for it in wasted media and lost trust.

London by the Numbers: No Longer Majority White British

The 2021 Census made it official. Only 36.8% of Londoners identify as White British, and just 53.8% identify as White in total. That means 46.2% of London is non-white, Asian, Black, Mixed and Other ethnicities.


Add in White ethnic minorities (Other White, Irish), and London is 63.2% ethnically diverse, the most diverse region in England and Wales. For comparison, Trust for London reports 46% of Londoners are BME compared to 14% for England as a whole.

Diverse team workshopping audience planning at whiteboard with sticky notes and journey map - London multicultural growth

Why Cultural Relevance Equals Commercial Value

Relevance isn't soft. It's sales.

Newsworks research found that cultural relevance drives 15% of UK sales, worth £147bn of the £978bn total UK consumer spending in 2025. And the brands that get it right are worth nearly three times more than those that don't.


In multicultural London, that effect is amplified. Data shows 53% of BAME audiences say they're more likely to purchase from brands that reflect their culture, and 51% actively seek out those that do. Freezing out multicultural Britain doesn't just look outdated, it hits commercials.

"Our data shows multicultural communities are not just watching, they're paying attention to who gets seen, how they're portrayed, and whether brands get them."

Decision Marketing

Multicultural Britain Study

What Multi-Dimensional Planning Really Means

One-size-fits-all planning wastes budget. Multi-dimensional planning means:

  • Message by dimension, not just demographics: Language, faith, generation, identity and borough all shape response. A second-generation Bangladeshi Londoner in Tower Hamlets and a first-generation Nigerian Londoner in Peckham don't respond to the same creative.


  • Media by relevance, not just reach: News brands delivered the highest ROI for cultural relevance at £3.97 per £1, with £0.45 coming directly from cultural relevance, double the average uplift. TV, radio and OOH also over-index for relevance. Digital works when format aligns with audience psychology.


  • Plan for ROI, not just representation: This infographic was built to ensure brands achieve the highest levels of relevance and ROI. That means planning for attention, trust and purchase, not just inclusion.

Mediareach infographic The Growing Value of London's Non-White British Audiences for Media Planning - diversity growth chart

London is not becoming diverse. It is diverse. With only 36.8% White British and 46.2% non-white, non-White British audiences are not an add-on, they are the core audience for any London plan.

Multicultural marketing is audience planning done properly. Brands aligned to this reality stay relevant. Those that aren't, won't.

Diverse Mediareach team collaborating on multicultural audience planning with London skyline Gherkin and Shard in office window

Planning for London? Plan for Everyone in London.

Mediareach turns Census data and cultural insight into multi-dimensional media plans that drive relevance and ROI in London's super-diverse market.

Sources & References
  • ONS Census 2021: 53.8% White in London, 46.2% non-white; 36.8% White British. Population Pie 2025 restatement: White 53.8% and remainder Asian 20.7%, Black 13.5%, Mixed 5.7%, Other 6.3% = 46.2% non-white.

  • Trust for London: 46% of Londoners are BME vs 14% for England as a whole.

  • Newsworks / The Media Leader: Cultural relevance drives 15% of UK sales worth £147bn of £978bn consumer spending; news brands ROI £3.97 with £0.45 from cultural relevance.

  • Decision Marketing: 53% of BAME audiences more likely to purchase from brands reflecting culture, 51% actively seek out those brands.

  • Business Wire CultureLab: Culturally relevant brands worth nearly 3x more.

London non-white British audiences

London multicultural audience planning

London diversity 2021 census

audience planning London

multicultural marketing ROI

cultural relevance sales

BAME audience London

Mediareach infographic

London 46% non-white

White British minority London

The UK's pioneering multicultural marketing and advertising agency. Over 40 years connecting brands with diverse communities through cultural insight, creative excellence, and intelligent media strategy.

SEO Head