E63012792 /South East evidence profile
South East evidence profile
Tonbridge digital planning profile
Tonbridge is a medium, non-coastal built-up area in South East. ONS records show a 2021 population of 36,136; 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
- E63012792
- ITL1 region
- South East
- Coastal
- Non-coastal
- Income-deprivation flag
- Medium deprivation
02 / Context
Three comparisons, with the benchmark stated
6% above the 11.2% median across complete England records in this ONS file.
7.1% above the 0% dataset median.
38.4% 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 84.5 of 100.
Lower quartile · percentile position 17.5 of 100.
Upper quartile · percentile position 75.6 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:b20e38ac1a3…bb8da44267cd
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 Tonbridge minus the named peer; a plus sign means the value recorded for Tonbridge is higher.
Regional peer
Larkfield · E63012518
South East. Nearest complete record in South East. ONS classification: Nearer - Medium deprivation - Working.
- 2021 population
- +9,989 people
- Population change, 2001 to 2021
- +3.7 pp
- Economic inactivity
- +0.2 pp
- Employment change, 2015 to 2024
- -1.2 pp
- 2023 median house price
- +£30,000
- House-price growth, 2001 to 2023
- -11.5 pp
- Population aged under 25
- +0.2 pp
- Population aged 65 or over
- -1 pp
Classification peer
Hoddesdon · E63011524
East of England. Nearest complete record outside South East with the same ONS combined classification. ONS classification: Nearer - Medium deprivation - Working.
- 2021 population
- -4,663 people
- Population change, 2001 to 2021
- +3.1 pp
- Economic inactivity
- +0.9 pp
- Employment change, 2015 to 2024
- -4.7 pp
- 2023 median house price
- -£20,000
- House-price growth, 2001 to 2023
- -41.1 pp
- Population aged under 25
- -0.2 pp
- Population aged 65 or over
- +0.1 pp
National peer
Camberley · E63012475
South East. Nearest remaining complete England record. ONS classification: Nearer - Lower deprivation - Working.
- 2021 population
- -651 people
- Population change, 2001 to 2021
- +0.5 pp
- Economic inactivity
- +1.2 pp
- Employment change, 2015 to 2024
- +2.6 pp
- 2023 median house price
- -£15,000
- House-price growth, 2001 to 2023
- +8.9 pp
- Population aged under 25
- +1.4 pp
- Population aged 65 or over
- -0.2 pp
05 / Evidence synthesis
Tonbridge evidence synthesis: 2023 median house price, House-price growth, 2001 to 2023, 2021 population
Tonbridge is recorded as a medium, 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: 2023 median house price → 2021 population → Population aged under 25 → Population change, 2001 to 2021 → Employment change, 2015 to 2024 → Population aged 65 or over → Economic inactivity → House-price growth, 2001 to 2023.
Furthest-to-nearest distance from the middle percentile: 2023 median house price → House-price growth, 2001 to 2023 → 2021 population → Population aged under 25 → Economic inactivity → Population change, 2001 to 2021 → Population aged 65 or over → Employment change, 2015 to 2024.
Regional peer
2023 median house price: £400,000 · Larkfield delta +£30,000
The reviewed record positions Tonbridge at percentile 84.5 for 2023 median house price; its published value is £400,000 and its band is upper quartile. Using Larkfield as the regional peer, the profile-minus-peer delta is +£30,000; the peer was selected because 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. No user or market conclusion follows automatically; a median house price is not a household affordability measure.
Classification peer
House-price growth, 2001 to 2023: 185.7% · Hoddesdon delta -41.1 pp
The reviewed record positions Tonbridge at percentile 17.5 for house-price growth, 2001 to 2023; its published value is 185.7% and its band is lower quartile. Using Hoddesdon as the classification peer, the profile-minus-peer delta is -41.1 pp; the peer was selected because nearest complete record outside south east with the same ons combined classification. Treat this combination as a hypothesis about how dated economic context is labelled and maintained, and test it through source-date checks and user tests for interpretation. The responsible interpretation stops short of intent: historic price growth cannot support a current revenue claim.
National peer
2021 population: 36,136 · Camberley delta -651 people
2021 population is one of Tonbridge's three furthest-from-middle observations: 36,136, percentile 75.6, upper quartile. The same-source national check uses Camberley, classified as Nearer - Lower deprivation - Working. The Tonbridge-minus-Camberley delta on this metric is -651 people. This evidence can narrow a discovery question around content hierarchy and service-capacity assumptions, while task-frequency interviews and observed completion data supplies the user-level check the aggregate data cannot provide. This remains contextual evidence—population size does not establish addressable demand.
Together, 2023 median house price, house-price growth, 2001 to 2023, 2021 population and the constrained comparisons with Larkfield, Hoddesdon, Camberley create three separate research tracks for Tonbridge. They do not form a demand score. Keep each hypothesis independently testable, record contradictory findings and remove a planning assumption when user evidence does not support it.
06 / Evidence interpretation
Planning signals before design decisions
Population context: 36,136 people in 2021
Tonbridge's recorded population changed from 30,836 in 2001 to 36,136 in 2021 (+17.2%). 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: 18.7% aged 65 or over
The 2021 age-group series records 7,243 people aged 0 to 15, 3,285 aged 16 to 24, 18,832 aged 25 to 64 and 6,765 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: 36.8% economically inactive
ONS records economic inactivity at 36.8%. The published composition includes 22.4% retired, 3.1% long-term sick or disabled, 4.4% students and 4.8% looking after home or family. These categories support inclusive task design; they do not identify individual users or purchasing intent.
Economic context: £400,000 median house price in 2023
The median house-price series moved from £140,000 in 2001 to £390,000 in 2021 and £400,000 in 2023, a published change of +185.7%. 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 Tonbridge's 2023 median house price value and the Larkfield comparison to discuss pricing clarity, qualification steps and expectation setting?
Evidence basis: £400,000, upper quartile, with Tonbridge minus the regional peer equal to +£30,000. Validation route: comprehension tests using the organisation's real offer and fees.
- 02
Where should the team record uncertainty when using Tonbridge's house-price growth, 2001 to 2023 value and the Hoddesdon comparison to discuss how dated economic context is labelled and maintained?
Evidence basis: 185.7%, lower quartile, with Tonbridge minus the classification peer equal to -41.1 pp. Validation route: source-date checks and user tests for interpretation.
- 03
How should a prototype test content hierarchy and service-capacity assumptions without assuming that Tonbridge's percentile 75.6 position predicts an individual user's needs?
The prompt combines one distinctive metric with the named national comparator selected by the eight-metric method. It does not treat either record as search, lead or customer evidence.
- 04
For Tonbridge's medium, non-coastal, working built-up area, nearer to a major town or city classification, how should 2023 median house price, house-price growth, 2001 to 2023, 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—Larkfield, Hoddesdon, Camberley—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
Tonbridge 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
Tonbridge 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
52.1% 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
Tonbridge recorded +17.2% population change from 2001 to 2021 and +7.1% 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 E63012792. 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 Tonbridge.
Mosalio does not claim an office, staff member, customer, or physical-delivery presence in Tonbridge.
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.