Colour is not evidence.

Colour is not evidence — why old Street View looks grey

Older Street View was shot on earlier camera generations with narrower dynamic range and heavier compression, often in different seasons, weather and times of day. A flat, grey 2009 frame beside a vivid 2025 one says something about Google's hardware — not about the street.

Several things change between an old frame and a new one before the street itself changes at all: the camera generation (early rigs kept less detail in shadows and skies), the compression applied to the imagery, the season and weather on the day of the drive, and the time of day. Any one of these can turn the same street grey or vivid on its own; a comparison that leans on colour and mood is comparing cameras, not places.

To judge change, look at occupancy, shopfronts, upkeep and use — and check the capture dates: the gap is rarely the tidy "16 years" the framing implies. Much of what reads as "decline" in viral side-by-sides is an artefact of the medium.

Archive depth

Street View archive depth varies wildly. UK coverage begins around 2008–09, but the oldest capture at any given pin might be 2012 or 2015. The dates shown in the app are the honest comparison window — "across 11 years" means eleven, not a rounder number the genre would prefer. Historical panoramas are surfaced via metadata Google exposes informally rather than as a supported product, so the archive can change without notice.

Politics — context, not causation

The politics strip is listed for context, not causation, and computed only from the two capture dates selected. High streets are shaped by council decisions, rents, retail economics and online shopping at least as much as by any government. This site takes no side. Council control is derived from Open Council Data UK (public domain); administrations for hung councils are added from cited sources where verified. Where a council's record is not yet compiled, the app says so rather than guessing.

What was funded here

Under the governance layer, the strip lists named, publicly-funded regeneration projects awarded to this local authority — the more honest question than who held office is what was actually done here. It shows a project only if the award was announced between your two capture dates, the same window-bounded rule as every other layer.

The source is the UK Government's Levelling Up Fund, rounds 1 (announced 27 October 2021) and 2 (19 January 2023), published on gov.uk under the Open Government Licence. It covers all four UK nations, so this layer works in England, Scotland, Wales and Northern Ireland alike — including places the council-control layer above it cannot cover.

What it does not tell you. The date shown is when the round was announced, not when work started or finished — the source gives no per-project date. A figure is money committed, not money spent or a completed building; some large awards were provisional. Bids led by companies or combined authorities (rather than a single council) can't be pinned to one place on the map, so they are left out, not misplaced. And absence here means we hold no record for that place — not that nothing happened. This is one programme; others (Towns Fund, UK Shared Prosperity Fund, Scottish regeneration capital grants) are candidates to add as they can be sourced cleanly and honestly.

What's here now

Shop counts are counted live from OpenStreetMap — a volunteer-built map, not a commercial survey, so coverage varies by town and a missing tag is not a missing shop. There is no historical OSM, so the "then" side of this count cannot exist; treat it as today's inventory only.

Retail premises over time

The trend strip counts retail local units (SIC 47) across the whole local authority, from the ONS UK Business Counts series (Inter-Departmental Business Register, via Nomis). A local unit is an individual site — a shop, not a company — so it is the closest official measure to "shops on the ground", but it is authority-wide, not street-level; it starts in 2010, later than the oldest Street View; and it sees only VAT/PAYE-registered businesses, so the smallest traders are invisible. Administrative changes (a VAT-threshold move, re-registrations) can shift the series without a single shopfront changing.

Currently active companies by registration date

This counts companies registered in the pin's postcode district during the window between the two selected capture dates that are still on the register today (from the Companies House bulk snapshot), and shows the mix as a single composition bar: retail (SIC 47) versus hair & beauty (SIC 96020). Vape-adjacent is shown as a separate proxy count, not a bar slice, because it overlaps retail and can't be pinned down cleanly.

Survivorship bias: the snapshot lists only companies still on the register today, so dissolved companies are absent and earlier years are systematically undercounted. A registered office is not a shopfront (many register at an accountant's address; sole traders never appear), and this counts company formations, not premises. Vaping has no dedicated SIC code, so "vape-adjacent" is a proxy (tobacco retail SIC 47260 or a vape/vapour company name) and an estimate, never a count. "Barber" is SIC 96020, which also covers hairdressing and beauty salons; "retail" is every SIC beginning 47.

Why there's no vacancy, footfall or rateable-value strip

These are the three numbers people most expect from a high-street tool, and we deliberately don't show them — because we can't source them openly and honestly at the level this app works.

Vacancy and footfall are commercial data. Almost every UK shop-vacancy figure in circulation traces back to a single commercial surveyor (the Local Data Company); footfall to commercial providers (Springboard / MRI). We won't reprint paywalled numbers as if they were open facts, and their licences bar redistribution anyway. The genuinely open alternatives don't measure what a "vacancy" strip would imply: the ONS "high streets" dataset records land use, not occupancy, and the Valuation Office's property stock doesn't split vacant from occupied. None is tied to a single pin, and for Scotland in particular there is no open, per-location series reaching back to the start of the Street View archive.

Rateable values are worse still for this purpose. The Valuation Office's bulk ratings data covers England & Wales only and comes under a restricted, non-open licence; Scotland's valuation roll is a paid product with no open feed. So a "rents/values" strip would be England-weighted and un-redistributable — the opposite of what this project is for.

Rather than bolt on a thin proxy or a licence-laundered figure, we show only what we can source openly, attribute cleanly, and caveat honestly — and we say plainly what we can't. If that means one fewer strip, so be it.

Photos taken near the pin

The photo strip searches Wikimedia Commons for geotagged photographs near the pin — within 150 m first, widening once to 500 m if nothing dated is found — and orders them by the date each photo was taken. Photos with no parseable taken date are left out entirely rather than sorted by upload date. The strip is not synced to the Street View comparison: these are volunteer photographs of the area, not the same viewpoint or the same dates, and volunteer geotags and dates can be wrong or coarse. Each photo links to its Commons file page for the full record, creator credit and licence.

Who makes this

Wayback Walk is built and maintained by an independent creator in Scotland — not a company, a campaign, or a news outlet. It takes no political side and sells no conclusion: the paid packs for newsrooms are the same method done to deadline, nothing more. The whole point of the tool is to make high-street claims inspectable rather than to win an argument. If you think a caveat is missing or a number is wrong, get in touch — corrections improve the method and are welcome.

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