E63012157 /South East evidence profile
South East evidence profile
Dartford digital planning profile
Dartford is a medium, coastal built-up area in South East. ONS records show a 2021 population of 68,650; the population expanded quickly between 2001 and 2021, while the 2015 to 2024 employment series shows strong employment expansion. This profile turns those public observations into a reviewable website-planning brief without claiming that the figures measure searches, leads or Mosalio's physical presence.
01 / Data snapshot
What the reviewed source records
- BUA24 code
- E63012157
- ITL1 region
- South East
- Coastal
- Coastal
- Income-deprivation flag
- Medium deprivation
02 / Context
Three comparisons, with the benchmark stated
24.6% above the 11.2% median across complete England records in this ONS file.
16.7% above the 0% dataset median.
52.3% above the 224.1% dataset median.
These medians use every complete England record accepted from the same ONS file. They are descriptive context, not targets, forecasts or a national demand model.
03 / Distinctive pattern
Where this record sits within 936 complete England profiles
Lowest decile · percentile position 4 of 100.
Lowest decile · percentile position 4.4 of 100.
Highest decile · percentile position 91.5 of 100.
These are the three values furthest from the middle percentile position for this record. A higher position means a higher published value, not a better outcome or evidence of search demand.
Evidence fingerprint: sha256:098588710c3…bae76a1ee94e
04 / Constrained peers
Three named comparisons from the same reviewed source
Each peer is selected from all 936complete England records using the documented eight-metric distance. Deltas are Dartford minus the named peer; a plus sign means the value recorded for Dartford is higher.
Regional peer
Milton Keynes · E63010901
South East. Nearest complete record in South East. ONS classification: Nearer - Higher deprivation - Working.
- 2021 population
- -125,934 people
- Population change, 2001 to 2021
- -7.9 pp
- Economic inactivity
- +0.3 pp
- Employment change, 2015 to 2024
- +5.5 pp
- 2023 median house price
- +£10,000
- House-price growth, 2001 to 2023
- +10.8 pp
- Population aged under 25
- +0.3 pp
- Population aged 65 or over
- +0.7 pp
Classification peer
Quedgeley and Hardwicke · E63011443
South West. Nearest complete record outside South East with the same ONS combined classification. ONS classification: Nearer - Medium deprivation - Working.
- 2021 population
- +47,855 people
- Population change, 2001 to 2021
- +0.2 pp
- Economic inactivity
- +4.8 pp
- Employment change, 2015 to 2024
- -20.8 pp
- 2023 median house price
- +£97,500
- House-price growth, 2001 to 2023
- +32.9 pp
- Population aged under 25
- +1.3 pp
- Population aged 65 or over
- -0.1 pp
National peer
Colchester · E63011220
East of England. Nearest remaining complete England record. ONS classification: Nearer - Higher deprivation - Working.
- 2021 population
- -61,746 people
- Population change, 2001 to 2021
- +3.4 pp
- Economic inactivity
- -4.8 pp
- Employment change, 2015 to 2024
- +8.9 pp
- 2023 median house price
- +£45,000
- House-price growth, 2001 to 2023
- +13.3 pp
- Population aged under 25
- -0.8 pp
- Population aged 65 or over
- -2.2 pp
05 / Evidence synthesis
Dartford evidence synthesis: Population aged 65 or over, Economic inactivity, Population change, 2001 to 2021
Dartford is recorded as a medium, coastal, working built-up area, nearer to a major town or city. This classification sets a transparent frame for the three observations below; it is not a persona, a service-area promise or proof of local search demand. Each finding pairs one distinctive percentile measure with one independently selected peer and one explicit validation route.
Eight-metric evidence matrix
The matrix shows every measure used by the peer-distance method, not only the three most distinctive values. Direction describes the published value relative to the middle percentile position; it is not a positive or negative judgement.
Highest-to-lowest percentile order: Population change, 2001 to 2021 → Population aged under 25 → House-price growth, 2001 to 2023 → 2021 population → Employment change, 2015 to 2024 → 2023 median house price → Economic inactivity → Population aged 65 or over.
Furthest-to-nearest distance from the middle percentile: Population aged 65 or over → Economic inactivity → Population change, 2001 to 2021 → Population aged under 25 → House-price growth, 2001 to 2023 → 2021 population → Employment change, 2015 to 2024 → 2023 median house price.
Regional peer
Population aged 65 or over: 12.4% · Milton Keynes delta +0.7 pp
At 12.4%, population aged 65 or over places Dartford in the lowest decile and at percentile 4 of the reviewed distribution. Milton Keynes, the named regional peer from South East, differs by +0.7 pp when the calculation is Dartford minus peer. Nearest complete record in South East. For planning, document the observation beside readability, keyboard access and assisted alternatives and require inclusive usability sessions and accessibility conformance checks before treating the idea as an accepted requirement. It must not be over-read, because an age-group share does not determine digital ability.
Classification peer
Economic inactivity: 31.2% · Quedgeley and Hardwicke delta +4.8 pp
Economic inactivity is one of Dartford's three furthest-from-middle observations: 31.2%, percentile 4.4, lowest decile. The constrained classification comparison is Quedgeley and Hardwicke (E63011443). On this measure, Dartford minus that record is +4.8 pp; the selection basis is nearest complete record outside south east with the same ons combined classification. This evidence can narrow a discovery question around assisted, accessible and non-digital completion routes, while accessibility testing across real tasks and support-channel evidence supplies the user-level check the aggregate data cannot provide. This remains contextual evidence—an aggregate inactivity rate cannot describe an individual visitor.
National peer
Population change, 2001 to 2021: 35.8% · Colchester delta +3.4 pp
Among the eight reviewed measures, population change, 2001 to 2021 stands out for Dartford at 35.8%; its percentile position is 91.5 and its band is highest decile. Colchester, the named national peer from East of England, differs by +3.4 pp when the calculation is Dartford minus peer. Nearest remaining complete England record. Treat this combination as a hypothesis about update cadence, ownership and change-ready content models, and test it through dated user research and a documented content-review cycle. No user or market conclusion follows automatically; historic population change is neither a forecast nor a lead estimate.
The distinctive metrics are not interchangeable: population aged 65 or over, economic inactivity, population change, 2001 to 2021 each raise a different planning question when read beside Milton Keynes, Quedgeley and Hardwicke, Colchester. For Dartford, the safe next step is therefore three small verification tasks rather than one demographic persona, locality claim or generic area-page conclusion.
06 / Evidence interpretation
Planning signals before design decisions
Population context: 68,650 people in 2021
Dartford's recorded population changed from 50,549 in 2001 to 68,650 in 2021 (+35.8%). This historical direction can inform content governance and capacity planning, but it is not a forecast and does not establish demand for a particular service.
Audience context: 12.4% aged 65 or over
The 2021 age-group series records 16,000 people aged 0 to 15, 6,269 aged 16 to 24, 37,867 aged 25 to 64 and 8,480 aged 65 or over. Small differences from the headline population reflect the published source series; percentages here use the age-group total and should guide testing questions, not stereotypes.
Activity context: 31.2% economically inactive
ONS records economic inactivity at 31.2%. The published composition includes 15.5% retired, 3% long-term sick or disabled, 4.6% students and 5.1% looking after home or family. These categories support inclusive task design; they do not identify individual users or purchasing intent.
Economic context: £350,000 median house price in 2023
The median house-price series moved from £92,995 in 2001 to £335,000 in 2021 and £350,000 in 2023, a published change of +276.4%. It is contextual evidence only—not a current affordability, revenue or customer-value estimate.
07 / Independent question set
Questions this evidence cannot answer on its own
These questions convert the profile-specific observations into falsifiable discovery work. They are not recommendations to create a service, location or page, and each needs direct user or behavioural evidence before it changes a website brief.
- 01
How should a prototype test readability, keyboard access and assisted alternatives without assuming that Dartford's percentile 4 position predicts an individual user's needs?
Evidence basis: 12.4%, lowest decile, with Dartford minus the regional peer equal to +0.7 pp. Validation route: inclusive usability sessions and accessibility conformance checks.
- 02
What evidence would show that the economic inactivity contrast between Dartford and Quedgeley and Hardwicke should alter assisted, accessible and non-digital completion routes, rather than remain background context?
The prompt combines one distinctive metric with the named classification comparator selected by the eight-metric method. It does not treat either record as search, lead or customer evidence.
- 03
If the national peer delta of +3.4 pp is included in a brief, what decision about update cadence, ownership and change-ready content models could it inform and what result would falsify that hypothesis?
This question is traceable to population change, 2001 to 2021 at percentile 91.5 and a +3.4 pp profile-minus-peer difference, not to inferred local behaviour.
- 04
For Dartford's medium, coastal, working built-up area, nearer to a major town or city classification, how should population aged 65 or over, economic inactivity, population change, 2001 to 2021 be tested as separate website hypotheses without turning the combined pattern into a claim about local demand?
Cross-check all three named comparisons—Milton Keynes, Quedgeley and Hardwicke, Colchester—and define a user-research or behavioural measure for each question before changing navigation, page scope or conversion paths. The observations share one source but do not demonstrate causation.
08 / Practical brief
Website-planning recommendations for this evidence pattern
- 01
Separate employer and customer journeys
Dartford is classified as a working town. A useful website brief should separate recruitment, procurement and customer tasks, then give each journey its own proof, contact route and success measure instead of forcing every visitor through one generic enquiry page.
- 02
Differentiate from the nearby major centre
Dartford is nearer to a major town or city. Use specific offer boundaries, proof and response expectations to explain why the organisation is relevant; do not rely on a place-name heading or create a doorway that simply redirects users to a national service page.
- 03
Support quick comparison without hiding detail
32.5% of the recorded 2021 age-group total is under 25. Lead with concise task summaries and responsive performance, while keeping fees, eligibility, privacy and next steps available in the same journey rather than behind a social-only channel.
- 04
Prepare the content model for change
Dartford recorded +35.8% population change from 2001 to 2021 and +16.7% employment change from 2015 to 2024. Use owned templates, update dates, accountable content roles and measurable conversion events so the site can evolve without publishing unreviewed route permutations.
09 / Method and limits
What this profile can—and cannot—support
This is a Mosalio editorial interpretation of the ONS May 2026 dataset for BUA24 code E63012157. The source periods differ by metric; values are historical, not live. The profile deliberately excludes ONS experimental visitor-to-resident fields and makes no claim about search volume, rankings, customers, a Mosalio office or physical delivery in Dartford.
Mosalio does not claim an office, staff member, customer, or physical-delivery presence in Dartford.
Source: Office for National Statistics, Understanding towns in England and Wales, investigating socioeconomic trends, released . This Mosalio interpretation was first published on and last reviewed on .
Contains public sector information licensed under the Open Government Licence v3.0.
How this page was made: Mosalio applies one documented, deterministic transform to the validated ONS record, calculates the displayed comparisons, and renders the result from source-controlled data. It is an automated public-data resource, not individually commissioned local market research. A portfolio-level editorial-value review checks every profile's source identity, distinctive metrics, peer evidence, synthesis and planning questions before index eligibility can be enabled.
Analysis basis: Midrank percentile across all accepted England records; a higher percentile means a higher published value, not a better outcome. Root-mean-square Euclidean distance across eight clipped robust z-scores; population and 2023 house price are log-transformed before median/MAD scaling.