- Companies
- Installers
- M & M Lock Secure Limited
M & M Lock Secure Limited
- Company number
- 04909728
- Incorporated
- 24 Sep 200323 years trading
- Registered office
- Pound Cottage, Tillers Green, Dymock, Gloucestershire, GL18 2AP
- Nature of business
- Other construction installation; Glazing
M & M Lock Secure Limited is a 23-year-old private limited company registered in Dymock, company number 04909728, one of the UK's installation companies (insulation, lifts, shutters and similar). Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £2,956 (+397.8%) on the year before, to £3,699.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £38K against £38K owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £3,699 | £38K | £38K | 0 | |
| 31 Oct 2024 | £743 | £38K | £39K | 2 | |
| 31 Oct 2023 | £1,410 | £43K | £44K | 2 | |
| 31 Oct 2022 | £982 | £44K | £48K | 2 | |
| 31 Oct 2021 | £12K | £41K | £36K | 2 | |
| 31 Oct 2020 | £4,184 | £38K | £39K | 2 | |
| 31 Oct 2019 | £200 | £38K | £44K | 2 | |
| 31 Oct 2018 | £857 | £31K | £40K | ||
| 31 Oct 2017 | £683 | £16K | £31K | ||
| 31 Oct 2016 | £469 | £1,539 | £29K | £44K |
Where M & M Lock Secure Limited is registered
The registered office is in Dymock (GL18), in the Forest of Dean local authority area, South West. Show GL18 2AP on a map.
Other trade companies in GL18
- CM Bespoke Building LtdBuilders
- Stonecrest Paving & Landscaping LtdLandscapers and gardeners
- Lev & Son LtdProperty developers
- Topping Fencing & Landscaping LtdLandscapers and gardeners
- Graces Pitch Holdings LtdProperty developers
- Victory Roofing Services LtdRoofers
- Altitude Roofing Gloucestershire LtdRoofers
- Arp Group Services LtdMachinery repair and installation
What happens if M & M Lock Secure Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 04909728
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 September 2003 (23 years ago)
- Registered office
- Pound Cottage, Tillers Green, Dymock, Gloucestershire, GL18 2AP
- Nature of business
- Other construction installation (SIC 43290)
Glazing (SIC 43342) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 24 September 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies
Other active installation companies (insulation, lifts, shutters and similar).
Frequently asked questions
When are M & M Lock Secure Limited's accounts due?
M & M Lock Secure Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is M & M Lock Secure Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is M & M Lock Secure Limited still trading?
M & M Lock Secure Limited is listed as active on the Companies House register (checked 13 Oct 2026). Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does M & M Lock Secure Limited do?
M & M Lock Secure Limited is registered under Other construction installation (SIC 43290); Glazing (SIC 43342).
How old is M & M Lock Secure Limited?
M & M Lock Secure Limited was incorporated on 24 September 2003, 23 years ago.
What is the penalty if M & M Lock Secure Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View M & M Lock Secure Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.