South East evidence profile
Chesham digital planning profile
Chesham is a medium, non-coastal built-up area in South East. ONS records show a 2021 population of 23,691; the population grew steadily between 2001 and 2021, while the 2015 to 2024 employment series shows a material employment contraction. 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
- E63011668
- ITL1 region
- South East
- Coastal
- Non-coastal
- Income-deprivation flag
- Medium deprivation
02 / Context
Three comparisons, with the benchmark stated
3.4% above the 11.2% median across complete England records in this ONS file.
12.5% below the 0% dataset median.
8.5% 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
Upper quartile · percentile position 88.6 of 100.
Lower quartile · percentile position 12.6 of 100.
Lower quartile · percentile position 19 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: sha256:8a8db76a9d6…3d6e69e2cfaf
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 Chesham minus the named peer; a plus sign means the value recorded for Chesham is higher.
Regional peer
Caterham · E63012578
South East. Nearest complete record in South East. ONS classification: Nearer - Lower deprivation - Residential.
- 2021 population
- +934 people
- Population change, 2001 to 2021
- -4.1 pp
- Economic inactivity
- +0.9 pp
- Employment change, 2015 to 2024
- 0 pp
- 2023 median house price
- -£21,698
- House-price growth, 2001 to 2023
- +10.5 pp
- Population aged under 25
- -0.2 pp
- Population aged 65 or over
- +0.1 pp
Classification peer
Dunstable · E63011288
East of England. Nearest complete record outside South East with the same ONS combined classification. ONS classification: Nearer - Medium deprivation - Residential.
- 2021 population
- -10,807 people
- Population change, 2001 to 2021
- -8.1 pp
- Economic inactivity
- +2.2 pp
- Employment change, 2015 to 2024
- -22.5 pp
- 2023 median house price
- +£121,000
- House-price growth, 2001 to 2023
- -0.5 pp
- Population aged under 25
- +0.8 pp
- Population aged 65 or over
- +0.9 pp
National peer
Ashford (Spelthorne) · E63012197
South East. Nearest remaining complete England record. ONS classification: Nearer - Lower deprivation - Residential.
- 2021 population
- +520 people
- Population change, 2001 to 2021
- -0.4 pp
- Economic inactivity
- +1.3 pp
- Employment change, 2015 to 2024
- +4.2 pp
- 2023 median house price
- -£9,000
- House-price growth, 2001 to 2023
- +22.1 pp
- Population aged under 25
- +1.4 pp
- Population aged 65 or over
- -0.1 pp
05 / Evidence synthesis
Chesham evidence synthesis: 2023 median house price, Employment change, 2015 to 2024, Economic inactivity
Chesham is recorded as a medium, non-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 → Population aged under 25 → Population change, 2001 to 2021 → 2021 population → House-price growth, 2001 to 2023 → Population aged 65 or over → Economic inactivity → Employment change, 2015 to 2024.
Furthest-to-nearest distance from the middle percentile: 2023 median house price → Employment change, 2015 to 2024 → Economic inactivity → Population aged under 25 → Population aged 65 or over → Population change, 2001 to 2021 → 2021 population → House-price growth, 2001 to 2023.
Regional peer
2023 median house price: £426,000 · Caterham delta -£21,698
For 2023 median house price, the source reports £426,000 for Chesham. That sits in the upper quartile, 38.6 percentile points from the middle position. Caterham, the named regional peer from South East, differs by -£21,698 when the calculation is Chesham minus peer. Nearest complete record in South East. Treat this combination as a hypothesis about pricing clarity, qualification steps and expectation setting, and test it through comprehension tests using the organisation's real offer and fees. The boundary is important: a median house price is not a household affordability measure.
Classification peer
Employment change, 2015 to 2024: -12.5% · Dunstable delta -22.5 pp
For employment change, 2015 to 2024, the source reports -12.5% for Chesham. That sits in the lower quartile, 37.4 percentile points from the middle position. For a bounded comparison rather than a national average, Dunstable supplies the classification reference; Chesham is -22.5 pp from it on the displayed scale. Treat this combination as a hypothesis about the separation of employer, worker and customer journeys, and test it through journey interviews plus measured form and contact outcomes. No user or market conclusion follows automatically; employment change does not prove commercial search intent.
National peer
Economic inactivity: 35.4% · Ashford (Spelthorne) delta +1.3 pp
Economic inactivity is one of Chesham's three furthest-from-middle observations: 35.4%, percentile 19, lower quartile. Using Ashford (Spelthorne) as the national peer, the profile-minus-peer delta is +1.3 pp; the peer was selected because nearest remaining complete england record. Its practical use is to frame—not answer—a question about assisted, accessible and non-digital completion routes; the next evidence should come from accessibility testing across real tasks and support-channel evidence. The responsible interpretation stops short of intent: an aggregate inactivity rate cannot describe an individual visitor.
The distinctive metrics are not interchangeable: 2023 median house price, employment change, 2015 to 2024, economic inactivity each raise a different planning question when read beside Caterham, Dunstable, Ashford (Spelthorne). For Chesham, 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: 23,691 people in 2021
Chesham's recorded population changed from 20,665 in 2001 to 23,691 in 2021 (+14.6%). 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: 17.7% aged 65 or over
The 2021 age-group series records 4,797 people aged 0 to 15, 2,150 aged 16 to 24, 12,554 aged 25 to 64 and 4,181 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: 35.4% economically inactive
ONS records economic inactivity at 35.4%. The published composition includes 20.1% retired, 3.1% long-term sick or disabled, 3.9% students and 5.5% looking after home or family. These categories support inclusive task design; they do not identify individual users or purchasing intent.
Economic context: £426,000 median house price in 2023
The median house-price series moved from £135,000 in 2001 to £400,000 in 2021 and £426,000 in 2023, a published change of +215.6%. 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
Where should the team record uncertainty when using Chesham's 2023 median house price value and the Caterham comparison to discuss pricing clarity, qualification steps and expectation setting?
This question is traceable to 2023 median house price at percentile 88.6 and a -£21,698 profile-minus-peer difference, not to inferred local behaviour.
- 02
How should a prototype test the separation of employer, worker and customer journeys without assuming that Chesham's percentile 12.6 position predicts an individual user's needs?
This question is traceable to employment change, 2015 to 2024 at percentile 12.6 and a -22.5 pp profile-minus-peer difference, not to inferred local behaviour.
- 03
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 Chesham?
Ashford (Spelthorne) is the constrained national reference and is classified as Nearer - Lower deprivation - Residential; the question keeps an aggregate inactivity rate cannot describe an individual visitor as an explicit limit.
- 04
For Chesham's medium, non-coastal, residential built-up area, nearer to a major town or city classification, how should 2023 median house price, employment change, 2015 to 2024, economic inactivity be tested as separate website hypotheses without turning the combined pattern into a claim about local demand?
Cross-check all three named comparisons—Caterham, Dunstable, Ashford (Spelthorne)—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
Chesham 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
Chesham 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
Build a broad, task-led accessibility baseline
53% of the recorded 2021 age-group total is aged 25 to 64, with meaningful younger and older groups also present. Organise content by task, test keyboard and mobile use, and avoid designing around one assumed demographic persona.
- 04
Prepare the content model for change
Chesham recorded +14.6% population change from 2001 to 2021 and -12.5% 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 E63011668. 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 Chesham.
Mosalio does not claim an office, staff member, customer, or physical-delivery presence in Chesham.
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.