- Companies
- Property developers
- Merthyr Tydfil
- All Secure Doors Ltd.
All Secure Doors Ltd.
- Company number
- 13185901
- Incorporated
- 8 Feb 20215 years trading
- Registered office
- Sant Ioan, Mount View, Merthyr Tydfil, CF47 0UX
- Nature of business
- Development of building projects; Other construction installation; Glazing; Other building completion and finishing
All Secure Doors Ltd. is a 5-year-old private limited company registered in Merthyr Tydfil, company number 13185901, one of 42 property development companies in Merthyr Tydfil. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £1,131 (+8.6%) on the year before, to £14K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £31K against £23K owed within a year: 1.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £14K | £31K | £23K | 0 | |
| 29 Feb 2024 | £13K | £7,585 | 0 | ||
| 28 Feb 2023 | £12K | £19K | £8,536 | 0 | |
| 28 Feb 2022 | £2,828 | £16K | £15K | 0 |
Where All Secure Doors Ltd. is registered
The registered office is in Merthyr Tydfil (CF47), in the Merthyr Tydfil local authority area, Wales. Show CF47 0UX on a map.
Other trade companies in CF47
- Rji Services LtdMechanics and garages
- R&P Motor Services LtdMechanics and garages
- Grain and Groove Carpentry LtdJoiners and carpenters
- Nextnest Properties LimitedProperty developers
- Frontier Power Solutions LtdElectricians
- Jude Developments LtdProperty developers
- Taff Group Property Services LtdPainters and decorators
- Anew Energy LimitedPlumbers and heating engineers
What happens if All Secure Doors Ltd. 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 13185901
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 February 2021 (5 years ago)
- Registered office
- Sant Ioan, Mount View, Merthyr Tydfil, CF47 0UX
- Nature of business
- Development of building projects (SIC 41100)
Other construction installation (SIC 43290)
Glazing (SIC 43342)
Other building completion and finishing (SIC 43390) - Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 11 February 2026
- Previous names
- Sealantonline Ltd (until 22 Jan 2025)
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Merthyr Tydfil
Other active property development companies registered in Merthyr Tydfil.
- Allen Holdings Limited1981
- Amh Construction Services (Wales) Limited2019
- DTL Groundworks & Civils Ltd2024
- Dukestown Projects Ltd2017
- Eco Dec Developments Ltd2025
- Ecp Construction Limited2018
- Eight Groundworks Limited2024
- Empoweredhw Ltd2019
All property development companies in Merthyr Tydfil · All trades in Merthyr Tydfil · Property developers across the UK
Frequently asked questions
When are All Secure Doors Ltd.'s accounts due?
All Secure Doors Ltd.'s next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is All Secure Doors Ltd.'s CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is All Secure Doors Ltd. still trading?
All Secure Doors Ltd. is listed as active on the Companies House register as of 1 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 All Secure Doors Ltd. do?
All Secure Doors Ltd. is registered under Development of building projects (SIC 41100); Other construction installation (SIC 43290); Glazing (SIC 43342); Other building completion and finishing (SIC 43390).
How old is All Secure Doors Ltd.?
All Secure Doors Ltd. was incorporated on 8 February 2021, 5 years ago.
What is the penalty if All Secure Doors Ltd. 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 All Secure Doors Ltd. on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 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.