- Companies
- Electricians
- Seaham
- Compound Joinery Ltd
Compound Joinery Ltd
- Company number
- 12519026
- Incorporated
- 16 Mar 20206 years trading
- Registered office
- 3 Pemberton View, Cold Hesledon, Seaham, SR7 8DD
- Nature of business
- Electrical installation; Other construction installation; Plastering; Roofing activities
Compound Joinery Ltd is a 6-year-old private limited company registered in Seaham, company number 12519026, one of 14 electrical contractors in Seaham. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 down £1,668 (-21.5%) on the year before, to £6,094.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £57K against £117K owed within a year: 0.5 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 6 years, 2021 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £6,094 | £19K | £57K | £117K | 5 |
| 31 Mar 2025 | £7,762 | £5,337 | £28K | £109K | 5 |
| 31 Mar 2024 | £213 | £18K | £18K | £102K | 5 |
| 31 Mar 2023 | £16K | £13K | £79K | £138K | 5 |
| 31 Mar 2022 | £13K | £472 | £19K | £60K | 5 |
| 31 Mar 2021 | £15K | £24K | £11K | 2 |
Where Compound Joinery Ltd is registered
The registered office is in Seaham (SR7), in the County Durham local authority area, North East. Show SR7 8DD on a map.
Other trade companies in SR7
- Northeast Hygiene Solution LtdCleaning companies
- Wraccess LimitedElectricians
- GS Groundworks Ne LtdCivil engineering
- Alloy Wheel Studio LimitedMechanics and garages
- Leewoods Developments LtdProperty developers
- Parker Clarke Group LtdMachinery repair and installation
- Coast 2 Coast Builders LtdBuilders
- Technalight LtdElectricians
What happens if Compound Joinery 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 12519026
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 March 2020 (6 years ago)
- Registered office
- 3 Pemberton View, Cold Hesledon, Seaham, SR7 8DD
- Nature of business
- Electrical installation (SIC 43210)
Other construction installation (SIC 43290)
Plastering (SIC 43310)
Roofing activities (SIC 43910) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 20 January 2026
- Previous names
- Ar Construction North East Ltd. (until 17 Sep 2025)
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Seaham
Other active electrical contractors registered in Seaham.
- DM Electrical Contractor's Ltd2020
- E&N Electrical Services Ltd2025
- H.E.S Halls Electrical Services Ltd2004
- Intelec Electrical Solutions Ltd2024
- Itc Plumbing and Heating Services Limited2003
- Mark Maw Electrical Ltd2026
- Nala Engineers Limited1992
- RMH Lamps, Lighting & Electrical Limited2006
All electrical contractors in Seaham · All trades in Seaham · Electricians across the UK
Frequently asked questions
When are Compound Joinery Ltd's accounts due?
Compound Joinery Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Compound Joinery Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Compound Joinery Ltd still trading?
Compound Joinery 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 Compound Joinery Ltd do?
Compound Joinery Ltd is registered under Electrical installation (SIC 43210); Other construction installation (SIC 43290); Plastering (SIC 43310); Roofing activities (SIC 43910).
How old is Compound Joinery Ltd?
Compound Joinery Ltd was incorporated on 16 March 2020, 6 years ago.
What is the penalty if Compound Joinery 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 Compound Joinery 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.