E63011931 /East of England evidence profile
East of England evidence profile
Thundersley and South Benfleet digital planning profile
Thundersley and South Benfleet is a medium, coastal built-up area in East of England. ONS records show a 2021 population of 49,886; the population grew steadily between 2001 and 2021, while the 2015 to 2024 employment series shows modest employment growth. 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
- E63011931
- ITL1 region
- East of England
- Coastal
- Coastal
- Income-deprivation flag
- Lower deprivation
02 / Context
Three comparisons, with the benchmark stated
6.2% below the 11.2% median across complete England records in this ONS file.
7.7% above the 0% dataset median.
10.7% 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
Upper quartile · percentile position 81.8 of 100.
Upper quartile · percentile position 81.7 of 100.
Upper quartile · percentile position 80.8 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: sha256:66610ba4064…1def547297bb
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 Thundersley and South Benfleet minus the named peer; a plus sign means the value recorded for Thundersley and South Benfleet is higher.
Regional peer
Rayleigh · E63011880
East of England. Nearest complete record in East of England. ONS classification: Nearer - Lower deprivation - Residential.
- 2021 population
- +17,992 people
- Population change, 2001 to 2021
- -1.6 pp
- Economic inactivity
- +1.2 pp
- Employment change, 2015 to 2024
- -4.8 pp
- 2023 median house price
- -£13,000
- House-price growth, 2001 to 2023
- +6.6 pp
- Population aged under 25
- -1.1 pp
- Population aged 65 or over
- +1.8 pp
Classification peer
Frampton Cotterell and Winterbourne · E63012037
South West. Nearest complete record outside East of England with the same ONS combined classification. ONS classification: Nearer - Lower deprivation - Residential.
- 2021 population
- +34,917 people
- Population change, 2001 to 2021
- -1.2 pp
- Economic inactivity
- +0.1 pp
- Employment change, 2015 to 2024
- +7.7 pp
- 2023 median house price
- -£10,000
- House-price growth, 2001 to 2023
- +31 pp
- Population aged under 25
- -0.8 pp
- Population aged 65 or over
- +0.1 pp
National peer
Canvey Island · E63011995
East of England. Nearest remaining complete England record. ONS classification: Nearer - Higher deprivation - Residential.
- 2021 population
- +11,882 people
- Population change, 2001 to 2021
- +3.6 pp
- Economic inactivity
- -3.7 pp
- Employment change, 2015 to 2024
- -6.6 pp
- 2023 median house price
- +£70,000
- House-price growth, 2001 to 2023
- -15.2 pp
- Population aged under 25
- -0.8 pp
- Population aged 65 or over
- -0.6 pp
05 / Evidence synthesis
Thundersley and South Benfleet evidence synthesis: 2023 median house price, 2021 population, Population aged 65 or over
Thundersley and South Benfleet is recorded as a medium, coastal, residential 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: 2023 median house price → 2021 population → Population aged 65 or over → House-price growth, 2001 to 2023 → Employment change, 2015 to 2024 → Economic inactivity → Population change, 2001 to 2021 → Population aged under 25.
Furthest-to-nearest distance from the middle percentile: 2023 median house price → 2021 population → Population aged 65 or over → Population aged under 25 → Population change, 2001 to 2021 → House-price growth, 2001 to 2023 → Employment change, 2015 to 2024 → Economic inactivity.
Regional peer
2023 median house price: £385,000 · Rayleigh delta -£13,000
At £385,000, 2023 median house price places Thundersley and South Benfleet in the upper quartile and at percentile 81.8 of the reviewed distribution. The same-source regional check uses Rayleigh, classified as Nearer - Lower deprivation - Residential. The Thundersley and South Benfleet-minus-Rayleigh delta on this metric is -£13,000. Its practical use is to frame—not answer—a question about pricing clarity, qualification steps and expectation setting; the next evidence should come from comprehension tests using the organisation's real offer and fees. The responsible interpretation stops short of intent: a median house price is not a household affordability measure.
Classification peer
2021 population: 49,886 · Frampton Cotterell and Winterbourne delta +34,917 people
Among the eight reviewed measures, 2021 population stands out for Thundersley and South Benfleet at 49,886; its percentile position is 81.7 and its band is upper quartile. The constrained classification comparison is Frampton Cotterell and Winterbourne (E63012037). On this measure, Thundersley and South Benfleet minus that record is +34,917 people; the selection basis is nearest complete record outside east of england with the same ons combined classification. For planning, document the observation beside content hierarchy and service-capacity assumptions and require task-frequency interviews and observed completion data before treating the idea as an accepted requirement. This remains contextual evidence—population size does not establish addressable demand.
National peer
Population aged 65 or over: 24.9% · Canvey Island delta -0.6 pp
The reviewed record positions Thundersley and South Benfleet at percentile 80.8 for population aged 65 or over; its published value is 24.9% and its band is upper quartile. Canvey Island, the named national peer from East of England, differs by -0.6 pp when the calculation is Thundersley and South Benfleet minus peer. Nearest remaining complete England record. Use the contrast to prioritise research into readability, keyboard access and assisted alternatives. A decision should wait for inclusive usability sessions and accessibility conformance checks. This remains contextual evidence—an age-group share does not determine digital ability.
Thundersley and South Benfleet's evidence pattern combines the medium, coastal, residential built-up area, nearer to a major town or city frame with three percentile observations and peer-specific deltas. That combination can make discovery more precise, but it cannot establish what residents want or whether a service has local demand. Decisions should remain reversible until direct research or measured website behaviour confirms them.
06 / Evidence interpretation
Planning signals before design decisions
Population context: 49,886 people in 2021
Thundersley and South Benfleet's recorded population changed from 47,492 in 2001 to 49,886 in 2021 (+5%). 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: 24.9% aged 65 or over
The 2021 age-group series records 8,332 people aged 0 to 15, 4,520 aged 16 to 24, 24,577 aged 25 to 64 and 12,433 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: 40.7% economically inactive
ONS records economic inactivity at 40.7%. The published composition includes 29% retired, 2.5% long-term sick or disabled, 3% students and 4.1% looking after home or family. These categories support inclusive task design; they do not identify individual users or purchasing intent.
Economic context: £385,000 median house price in 2023
The median house-price series moved from £114,998 in 2001 to £364,000 in 2021 and £385,000 in 2023, a published change of +234.8%. 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
What evidence would show that the 2023 median house price contrast between Thundersley and South Benfleet and Rayleigh should alter pricing clarity, qualification steps and expectation setting, rather than remain background context?
Rayleigh is the constrained regional reference and is classified as Nearer - Lower deprivation - Residential; the question keeps a median house price is not a household affordability measure as an explicit limit.
- 02
How should a prototype test content hierarchy and service-capacity assumptions without assuming that Thundersley and South Benfleet's percentile 81.7 position predicts an individual user's needs?
Evidence basis: 49,886, upper quartile, with Thundersley and South Benfleet minus the classification peer equal to +34,917 people. Validation route: task-frequency interviews and observed completion data.
- 03
Which real user task would justify changing readability, keyboard access and assisted alternatives after seeing Thundersley and South Benfleet's population aged 65 or over position and its -0.6 pp difference from Canvey Island?
This question is traceable to population aged 65 or over at percentile 80.8 and a -0.6 pp profile-minus-peer difference, not to inferred local behaviour.
- 04
For Thundersley and South Benfleet's medium, coastal, residential built-up area, nearer to a major town or city classification, how should 2023 median house price, 2021 population, population aged 65 or over be tested as separate website hypotheses without turning the combined pattern into a claim about local demand?
Cross-check all three named comparisons—Rayleigh, Frampton Cotterell and Winterbourne, Canvey Island—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
Make service boundaries explicit
Thundersley and South Benfleet is classified as residential. Explain delivery areas, remote or on-site conditions, response times and exclusions in visible copy. This reduces ambiguity for residents without inventing a local office or multiplying near-identical neighbourhood pages.
- 02
Differentiate from the nearby major centre
Thundersley and South Benfleet 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
Treat readability as a conversion requirement
24.9% of the recorded 2021 age-group total is aged 65 or over. Use plain language, strong focus states, generous type, keyboard-operable controls and a non-digital contact alternative; validate these choices with real users rather than assuming age determines ability.
- 04
Prioritise clarity before catalogue expansion
Thundersley and South Benfleet recorded +5% population change from 2001 to 2021 and +7.7% employment change from 2015 to 2024. Start with the few journeys that can be maintained well, instrument meaningful outcomes and expand only when verified questions or search data show a separate need.
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 E63011931. 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 Thundersley and South Benfleet.
Mosalio does not claim an office, staff member, customer, or physical-delivery presence in Thundersley and South Benfleet.
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.