South East evidence profile
Aylesbury digital planning profile
Aylesbury is a large, non-coastal built-up area in South East. ONS records show a 2021 population of 87,410; the population expanded quickly 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
- E63011452
- ITL1 region
- South East
- Coastal
- Non-coastal
- Income-deprivation flag
- Medium deprivation
02 / Context
Three comparisons, with the benchmark stated
22.5% above the 11.2% median across complete England records in this ONS file.
5.3% above the 0% dataset median.
12.2% below 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 3.6 of 100.
Lowest decile · percentile position 4.2 of 100.
Highest decile · percentile position 91.2 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: sha256:0b3c9a64667…fbe25d3b9380
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 Aylesbury minus the named peer; a plus sign means the value recorded for Aylesbury is higher.
Regional peer
Ashford (Ashford) · E63012914
South East. Nearest complete record in South East. ONS classification: Nearer - Higher deprivation - Working.
- 2021 population
- +5,809 people
- Population change, 2001 to 2021
- -5.6 pp
- Economic inactivity
- -2.7 pp
- Employment change, 2015 to 2024
- -9.7 pp
- 2023 median house price
- +£15,000
- House-price growth, 2001 to 2023
- +10.4 pp
- Population aged under 25
- -0.1 pp
- Population aged 65 or over
- -1.9 pp
Classification peer
Welwyn Garden City · E63011463
East of England. Nearest complete record outside South East with the same ONS combined classification. ONS classification: Nearer - Medium deprivation - Working.
- 2021 population
- +35,906 people
- Population change, 2001 to 2021
- +19.5 pp
- Economic inactivity
- -3.6 pp
- Employment change, 2015 to 2024
- -8 pp
- 2023 median house price
- -£100,000
- House-price growth, 2001 to 2023
- -18.8 pp
- Population aged under 25
- +1.9 pp
- Population aged 65 or over
- -3.9 pp
National peer
High Wycombe · E63011847
South East. Nearest remaining complete England record. ONS classification: Nearer - Higher deprivation - Working.
- 2021 population
- +3,869 people
- Population change, 2001 to 2021
- +11.5 pp
- Economic inactivity
- -2 pp
- Employment change, 2015 to 2024
- +2.9 pp
- 2023 median house price
- -£42,000
- House-price growth, 2001 to 2023
- +19.3 pp
- Population aged under 25
- -0.9 pp
- Population aged 65 or over
- +0.4 pp
05 / Evidence synthesis
Aylesbury evidence synthesis: Economic inactivity, Population aged 65 or over, 2021 population
Aylesbury is recorded as a large, non-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: 2021 population → Population change, 2001 to 2021 → Population aged under 25 → 2023 median house price → Employment change, 2015 to 2024 → House-price growth, 2001 to 2023 → Population aged 65 or over → Economic inactivity.
Furthest-to-nearest distance from the middle percentile: Economic inactivity → Population aged 65 or over → 2021 population → Population change, 2001 to 2021 → Population aged under 25 → 2023 median house price → House-price growth, 2001 to 2023 → Employment change, 2015 to 2024.
Regional peer
Economic inactivity: 30.6% · Ashford (Ashford) delta -2.7 pp
Aylesbury's economic inactivity is 30.6%, a lowest decile result at percentile 3.6 among 936 complete England records. Against Ashford (Ashford)'s reviewed regional record, the displayed delta is -2.7 pp. That comparator comes from the documented rule: nearest complete record in south east. 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. It must not be over-read, because an aggregate inactivity rate cannot describe an individual visitor.
Classification peer
Population aged 65 or over: 12.5% · Welwyn Garden City delta -3.9 pp
Population aged 65 or over is one of Aylesbury's three furthest-from-middle observations: 12.5%, percentile 4.2, lowest decile. The constrained classification comparison is Welwyn Garden City (E63011463). On this measure, Aylesbury minus that record is -3.9 pp; the selection basis is nearest complete record outside south east with the same ons combined classification. 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. No user or market conclusion follows automatically; an age-group share does not determine digital ability.
National peer
2021 population: 87,410 · High Wycombe delta +3,869 people
2021 population is one of Aylesbury's three furthest-from-middle observations: 87,410, percentile 91.2, highest decile. The same-source national check uses High Wycombe, classified as Nearer - Higher deprivation - Working. The Aylesbury-minus-High Wycombe delta on this metric is +3,869 people. 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. The responsible interpretation stops short of intent: population size does not establish addressable demand.
This synthesis gives Aylesbury a bounded evidence trail: three furthest-from-middle measures, three named peers and the large, non-coastal, working built-up area, nearer to a major town or city classification. The combination is useful for deciding what to investigate, not for predicting enquiries. A website brief should preserve the source dates, validation method and reasons for accepting or rejecting each hypothesis.
06 / Evidence interpretation
Planning signals before design decisions
Population context: 87,410 people in 2021
Aylesbury's recorded population changed from 65,389 in 2001 to 87,410 in 2021 (+33.7%). 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: 12.5% aged 65 or over
The 2021 age-group series records 19,346 people aged 0 to 15, 8,278 aged 16 to 24, 48,873 aged 25 to 64 and 10,910 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: 30.6% economically inactive
ONS records economic inactivity at 30.6%. The published composition includes 15.1% retired, 3% long-term sick or disabled, 3.9% students and 5.3% looking after home or family. These categories support inclusive task design; they do not identify individual users or purchasing intent.
Economic context: £315,000 median house price in 2023
The median house-price series moved from £101,000 in 2001 to £295,000 in 2021 and £315,000 in 2023, a published change of +211.9%. 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
Before prioritising assisted, accessible and non-digital completion routes, which part of accessibility testing across real tasks and support-channel evidence would verify whether this economic inactivity observation matters to users in Aylesbury?
Ashford (Ashford) is the constrained regional reference and is classified as Nearer - Higher deprivation - Working; the question keeps an aggregate inactivity rate cannot describe an individual visitor as an explicit limit.
- 02
If the classification peer delta of -3.9 pp is included in a brief, what decision about readability, keyboard access and assisted alternatives could it inform and what result would falsify that hypothesis?
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
Where should the team record uncertainty when using Aylesbury's 2021 population value and the High Wycombe comparison to discuss content hierarchy and service-capacity assumptions?
This question is traceable to 2021 population at percentile 91.2 and a +3,869 people profile-minus-peer difference, not to inferred local behaviour.
- 04
For Aylesbury's large, non-coastal, working built-up area, nearer to a major town or city classification, how should economic inactivity, population aged 65 or over, 2021 population be tested as separate website hypotheses without turning the combined pattern into a claim about local demand?
Cross-check all three named comparisons—Ashford (Ashford), Welwyn Garden City, High Wycombe—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
Aylesbury 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
Aylesbury 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
31.6% 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
Aylesbury recorded +33.7% population change from 2001 to 2021 and +5.3% 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 E63011452. 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 Aylesbury.
Mosalio does not claim an office, staff member, customer, or physical-delivery presence in Aylesbury.
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.