# Certificate of lawfulness planning (7 sources)

> The Lawfulness And Enforcement Limits carries 7 published figures read from 3 sources' own pages, from 3 to 56 day, read 17 October 2026.

Consentvia · https://consentvia.com/datasets/lawfulness-and-enforcement-limits/ · computed 2026-10-18

**Range of the published figures:** 3 to 56 day (range 3 to 56 day; 7 sources with a figure; 3 of 9 sources read publish one).

3 of the 9 named sources read in full publish a figure; 6 publish none, read 17 October 2026.

## By notice

| Breakdown | Median | Range | Sources |
|---|---|---|---|
| notice demolition-prior-approval | 28 day | 28 to 28 day | 1 |
| notice upward-extension-prior-approval | 8 week | 8 to 8 week | 1 |
| notice temporary-stop-notice-england | 56 day | 56 to 56 day | 1 |
| notice temporary-stop-notice-wales | 28 day | 28 to 28 day | 1 |
| notice ground-a-appeal-restriction | 2 year | 2 to 2 year | 1 |
| notice planning-contravention-notice | 21 day | 21 to 21 day | 1 |
| notice enforcement-year-start | 22 day | 22 to 22 day | 1 |
| notice stop-notice-effective-date | 3 day | 3 to 3 day | 1 |
| notice temporary-stop-notice-expiry | 56 day | 56 to 56 day | 1 |

## Every figure, with its source

One row per source: the figure the source's own page publishes, the page, and the day it was read.

| Source | Figure | Breakdown | Read |
|---|---|---|---|
| [Levelling-up and Regeneration Act 2023 Part 3 Chapter 5 (enforcement)](https://www.legislation.gov.uk/ukpga/2023/55/part/3/chapter/5) | 56 day | temporary-stop-notice-england | 2026-10-17 |
| [MHCLG Planning Practice Guidance: ensuring effective enforcement](https://www.gov.uk/guidance/ensuring-effective-enforcement) | 56 day | temporary-stop-notice-expiry | 2026-10-17 |
| [MHCLG Planning Practice Guidance: when is permission required](https://www.gov.uk/guidance/when-is-permission-required) | 28 day | demolition-prior-approval | 2026-10-17 |
| [Levelling-up and Regeneration Act 2023 Part 3 Chapter 5 (enforcement)](https://www.legislation.gov.uk/ukpga/2023/55/part/3/chapter/5) | 28 day | temporary-stop-notice-wales | 2026-10-17 |
| [MHCLG Planning Practice Guidance: ensuring effective enforcement](https://www.gov.uk/guidance/ensuring-effective-enforcement) | 22 day | enforcement-year-start | 2026-10-17 |
| [MHCLG Planning Practice Guidance: ensuring effective enforcement](https://www.gov.uk/guidance/ensuring-effective-enforcement) | 21 day | planning-contravention-notice | 2026-10-17 |
| [MHCLG Planning Practice Guidance: when is permission required](https://www.gov.uk/guidance/when-is-permission-required) | 8 week | upward-extension-prior-approval | 2026-10-17 |
| [MHCLG Planning Practice Guidance: ensuring effective enforcement](https://www.gov.uk/guidance/ensuring-effective-enforcement) | 3 day | stop-notice-effective-date | 2026-10-17 |
| [MHCLG Planning Practice Guidance: ensuring effective enforcement](https://www.gov.uk/guidance/ensuring-effective-enforcement) | 2 year | ground-a-appeal-restriction | 2026-10-17 |

## The sentence each figure was read from (9)

- [Levelling-up and Regeneration Act 2023 Part 3 Chapter 5 (enforcement)](https://www.legislation.gov.uk/ukpga/2023/55/part/3/chapter/5), read 2026-10-17: "in the case of a notice issued by a local planning authority in England, 56 days;"
- [MHCLG Planning Practice Guidance: ensuring effective enforcement](https://www.gov.uk/guidance/ensuring-effective-enforcement), read 2026-10-17: "A temporary stop notice expires 56 days after the display of the notice on site (or any shorter period specified)."
- [MHCLG Planning Practice Guidance: when is permission required](https://www.gov.uk/guidance/when-is-permission-required), read 2026-10-17: "If, within 28 days of your application, the local planning authority has given no indication of whether prior approval is required or not, the demolition may begin without prior approval."
- [Levelling-up and Regeneration Act 2023 Part 3 Chapter 5 (enforcement)](https://www.legislation.gov.uk/ukpga/2023/55/part/3/chapter/5), read 2026-10-17: "in the case of a notice issued by a local planning authority in Wales, 28 days.”"
- [MHCLG Planning Practice Guidance: ensuring effective enforcement](https://www.gov.uk/guidance/ensuring-effective-enforcement), read 2026-10-17: "The “enforcement year” does not begin until the end of 22 days starting with the day on which the court’s decision to make the order is given, or when any appeal against the order has been finally dismissed, or the appeal withdrawn."
- [MHCLG Planning Practice Guidance: ensuring effective enforcement](https://www.gov.uk/guidance/ensuring-effective-enforcement), read 2026-10-17: "A failure to complete or return a notice within 21 days is an offence, as is providing false or misleading information on the notice (section 171D of the Town and Country Planning Act 1990)."
- [MHCLG Planning Practice Guidance: when is permission required](https://www.gov.uk/guidance/when-is-permission-required), read 2026-10-17: "The local planning authority is required to make a decision on an application for prior approval to extend upwards within 8 weeks."
- [MHCLG Planning Practice Guidance: ensuring effective enforcement](https://www.gov.uk/guidance/ensuring-effective-enforcement), read 2026-10-17: "The effective date must normally be no less than 3 days (or later than 28 days) after the date when the notice is served (section 184(3) of the Town and Country Planning Act 1990)."
- [MHCLG Planning Practice Guidance: ensuring effective enforcement](https://www.gov.uk/guidance/ensuring-effective-enforcement), read 2026-10-17: "Where an enforcement notice is issued on or after 25 April 2024, no appeal under ground (a) may be made if the enforcement notice was issued after the making of a related retrospective planning application and within 2 years of the date on which the related application ceased to be under consideration."

## Read in full, publishes no figure

- [Town and Country Planning Act 1990 section 171B (time limits for enforcement action)](https://www.legislation.gov.uk/ukpga/1990/8/section/171B), read 2026-10-17: read in full and no accepted figure on the page
- [Town and Country Planning Act 1990 section 191 (certificate of lawfulness of existing use)](https://www.legislation.gov.uk/ukpga/1990/8/section/191), read 2026-10-17: read in full and no accepted figure on the page
- [Town and Country Planning Act 1990 section 192 (certificate of lawfulness of proposed use)](https://www.legislation.gov.uk/ukpga/1990/8/section/192), read 2026-10-17: read in full and no accepted figure on the page
- [Levelling-up and Regeneration Act 2023 section 115](https://www.legislation.gov.uk/ukpga/2023/55/section/115), read 2026-10-17: read in full and no accepted figure on the page
- [MHCLG Planning Practice Guidance: lawful development certificates](https://www.gov.uk/guidance/lawful-development-certificates), read 2026-10-03: read in full and no accepted figure on the page
- [MHCLG Planning Practice Guidance collection](https://www.gov.uk/government/collections/planning-practice-guidance), read 2026-09-26: read in full and no accepted figure on the page

## Methodology

Every row is a verbatim sentence read from the named source's own page through our fetch service on the date shown, hash-pinned to the stored read (the sha of the page's visible text; the raw page is mirrored to R2). 3 of the 9 named sources that could be read published a usable figure; 6 published none and are recorded as not published, never filled in; 0 could not be read (blocked, dead or unreachable) and count nowhere. The headline figures (median, minimum, maximum, quartiles) are over ONE figure per source for each breakdown it prices, in day (a source's median where its page yielded several accepted sentences for one breakdown), so a page that gives figures for several breakdowns gives one for each and N counts 7 figures, never sentences; 14 candidate sentence(s) were refused by a reviewer with the reason recorded. The fuller derivation this dataset is chartered to grow into (not yet what the figures above are; they are each source's own published figure as read): one row per breach type per nation: the immunity period the Act sets, the date the rule changed and the transitional provision that decides which period applies (England's four-year limits became ten for breaches occurring on or after 25 April 2024; Wales was not changed), the certificate route that proves lawfulness and its fee. The derivation is a DATE, not a paragraph: given the kind of breach and the date it began, the day on which it becomes immune and which rule governs it - the question every one of these keywords is really asking, and which no authority page answers for a specific case.

## Sources

- [Town and Country Planning Act 1990 section 171B (time limits for enforcement action)](https://www.legislation.gov.uk/ukpga/1990/8/section/171B) (the publisher's own terms; quoted for reporting and comment)
- [Town and Country Planning Act 1990 section 191 (certificate of lawfulness of existing use)](https://www.legislation.gov.uk/ukpga/1990/8/section/191) (the publisher's own terms; quoted for reporting and comment)
- [Town and Country Planning Act 1990 section 192 (certificate of lawfulness of proposed use)](https://www.legislation.gov.uk/ukpga/1990/8/section/192) (the publisher's own terms; quoted for reporting and comment)
- [Levelling-up and Regeneration Act 2023 section 115](https://www.legislation.gov.uk/ukpga/2023/55/section/115) (the publisher's own terms; quoted for reporting and comment)
- [Levelling-up and Regeneration Act 2023 Part 3 Chapter 5 (enforcement)](https://www.legislation.gov.uk/ukpga/2023/55/part/3/chapter/5) (the publisher's own terms; quoted for reporting and comment)
- [MHCLG Planning Practice Guidance: lawful development certificates](https://www.gov.uk/guidance/lawful-development-certificates) (the publisher's own terms; quoted for reporting and comment)
- [MHCLG Planning Practice Guidance: ensuring effective enforcement](https://www.gov.uk/guidance/ensuring-effective-enforcement) (the publisher's own terms; quoted for reporting and comment)
- [MHCLG Planning Practice Guidance: when is permission required](https://www.gov.uk/guidance/when-is-permission-required) (the publisher's own terms; quoted for reporting and comment)
- [MHCLG Planning Practice Guidance collection](https://www.gov.uk/government/collections/planning-practice-guidance) (the publisher's own terms; quoted for reporting and comment)

## Cite or embed

- The Lawfulness And Enforcement Limits carries 7 published figures read from 3 sources' own pages, from 3 to 56 day, read 17 October 2026.
- 3 of the 9 named sources read in full publish a figure; 6 publish none, read 17 October 2026.
- Lawfulness And Enforcement Limits, notice demolition-prior-approval: median 28 day across 1 source, read 17 October 2026.
- Lawfulness And Enforcement Limits, notice upward-extension-prior-approval: median 8 week across 1 source, read 17 October 2026.
- Lawfulness And Enforcement Limits, notice temporary-stop-notice-england: median 56 day across 1 source, read 17 October 2026.
- Lawfulness And Enforcement Limits, notice temporary-stop-notice-wales: median 28 day across 1 source, read 17 October 2026.
- Lawfulness And Enforcement Limits, notice ground-a-appeal-restriction: median 2 year across 1 source, read 17 October 2026.
- Lawfulness And Enforcement Limits, notice planning-contravention-notice: median 21 day across 1 source, read 17 October 2026.
- Lawfulness And Enforcement Limits, notice enforcement-year-start: median 22 day across 1 source, read 17 October 2026.
- Lawfulness And Enforcement Limits, notice stop-notice-effective-date: median 3 day across 1 source, read 17 October 2026.
- Lawfulness And Enforcement Limits, notice temporary-stop-notice-expiry: median 56 day across 1 source, read 17 October 2026.

Cite as: "Consentvia Lawfulness And Enforcement Limits", updated 2026-10-18, https://consentvia.com/datasets/lawfulness-and-enforcement-limits/.

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