- Companies
- Machinery repair and installation
- Merthyr Tydfil
- D & A Doors Limited
D & A Doors Limited
- Company number
- 08846267
- Incorporated
- 15 Jan 201412 years trading
- Registered office
- 42 Cottrell Street, Aberfan, Merthyr Tydfil, Mid Glamorgan, CF48 4QU
- Nature of business
- Installation of industrial machinery and equipment
D & A Doors Limited is a 12-year-old private limited company registered in Merthyr Tydfil, company number 08846267, one of 17 machinery repair and installation companies in Merthyr Tydfil. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £16K (+14.6%) on the year before, to £129K.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £159K against £35K owed within a year: 4.5 times cover.
- 4 employees on average during the year.
- 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 Mar 2025 | £129K | £159K | £35K | 4 | |
| 31 Mar 2024 | £113K | £136K | £34K | 4 | |
| 31 Mar 2023 | £97K | £101K | £20K | 4 | |
| 31 Mar 2022 | £84K | £102K | £18K | 4 | |
| 31 Mar 2021 | £78K | £94K | £16K | 4 | |
| 31 Mar 2020 | £73K | £99K | £26K | 4 | |
| 31 Mar 2019 | £62K | £95K | £32K | ||
| 31 Mar 2018 | £28K | £44K | £16K | ||
| 31 Jan 2017 | £1,834 | £23K | £21K | ||
| 31 Jan 2016 | -£1,351 | £4,926 | £18K | £20K |
Where D & A Doors Limited is registered
The registered office is in Merthyr Tydfil (CF48), in the Merthyr Tydfil local authority area, Wales. Show CF48 4QU on a map.
Other trade companies in CF48
- Valley Roofing Building & Carpentry LimitedRoofers
- Ajl Rail/Civil Engineering LtdCivil engineering
- M&K Valeting LtdCleaning companies
- Mdgroundworks LtdGroundworks and demolition
- Craig Lloyd Groundworks LtdCivil engineering
- Noarc Electrical LtdElectricians
- Elt Brickwork LimitedBuilders
- JBH Decorating LimitedPainters and decorators
What happens if D & A Doors 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 08846267
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 January 2014 (12 years ago)
- Registered office
- 42 Cottrell Street, Aberfan, Merthyr Tydfil, Mid Glamorgan, CF48 4QU
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 15 January 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Merthyr Tydfil
Other active machinery repair and installation companies registered in Merthyr Tydfil.
- Electric Motor Repairs Ltd2014
- G&M Electrics Ltd2020
- JC Plant Services Ltd2026
- Jme Industrial Services Ltd2026
- Mechanic Plant Services Ltd2026
- R Meredith Services Limited2021
- Rayles Rewinds Limited2003
- Refrigerated Trailer Services Limited2008
All machinery repair and installation companies in Merthyr Tydfil · All trades in Merthyr Tydfil · Machinery repair and installation across the UK
Frequently asked questions
When are D & A Doors Limited's accounts due?
D & A Doors Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is D & A Doors Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is D & A Doors Limited still trading?
D & A Doors Limited 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 D & A Doors Limited do?
D & A Doors Limited is registered under Installation of industrial machinery and equipment (SIC 33200).
How old is D & A Doors Limited?
D & A Doors Limited was incorporated on 15 January 2014, 12 years ago.
What is the penalty if D & A Doors 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 D & A Doors Limited 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.