- Companies
- Electricians
- London
- Tja Ltd
Tja Ltd
- Company number
- 11929982
- Incorporated
- 5 Apr 20197 years trading
- Registered office
- 106 King Edwards Road, London, E9 7SR
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Tja Ltd is a 7-year-old private limited company registered in London, company number 11929982, one of 3,448 electrical contractors in London. 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 down £3,219 on the year before, to -£3,020.
- Net assets rose in 1 of 5 year-on-year comparisons on record.
- Current assets of £204 against £12K owed within a year: 0.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£3,020 | £204 | £12K | 1 | |
| 31 Mar 2024 | £199 | £188 | £2,338 | 1 | |
| 31 Mar 2023 | £404 | £4,475 | £3,771 | 1 | |
| 31 Mar 2022 | £326 | £2,030 | £1,404 | 1 | |
| 31 Mar 2021 | £338 | £1,327 | £989 | 1 | |
| 31 Mar 2020 | £521 | £4,406 | £3,735 | 1 |
Where Tja Ltd is registered
The registered office is in London (E9), in the Hackney local authority area, London. Show E9 7SR on a map.
Other trade companies in E9
- Arya Automotive Group LimitedMechanics and garages
- Milton Keynes Driveways & Roofing LtdRoofers
- Prim-Prop Painters LtdPainters and decorators
- Wood Street Construction LtdFinishing trades
- Mena International Property Group LtdProperty developers
- Forge Property Services LtdFacilities management
- Campbellconstruct LtdGlaziers
- North Stone Roofing & Guttering LtdRoofers
What happens if Tja 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 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
- 11929982
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 April 2019 (7 years ago)
- Registered office
- 106 King Edwards Road, London, E9 7SR
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 4 April 2026
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 London
Other active electrical contractors registered in London.
- TJW Electrical Ltd2022
- TK Electrics and Plumbing Ltd2026
- TK Properties (Kent) Ltd2025
- TLG Renewables Ltd2026
- TM London Electrical Ltd2024
- TMS Electricians Ltd2021
- TN & A Electrical Service Ltd2024
- TNF Installations Ltd2022
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Tja Ltd's accounts due?
Tja Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Tja Ltd'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 Tja Ltd still trading?
Tja 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 Tja Ltd do?
Tja Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).
How old is Tja Ltd?
Tja Ltd was incorporated on 5 April 2019, 7 years ago.
What is the penalty if Tja 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 Tja 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.