- Companies
- Electricians
- London
- T Phase Ltd
T Phase Ltd
- Company number
- 11675609
- Incorporated
- 13 Nov 20187 years trading
- Registered office
- Second Floor 15, Montpelier Vale, London, SE3 0TA
- Nature of business
- Electrical installation
T Phase Ltd is a 7-year-old private limited company registered in London, company number 11675609, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 29 November 2026, and its first CT600 is due at HMRC on 29 November 2026.
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 £249 (+0.9%) on the year before, to £27K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £14K against £27K owed within a year: 0.5 times cover.
- 3 employees on average, up from -3 the year before.
- Balance sheets on record for 6 years, 2019 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 29 Nov 2024 | £27K | £14K | £27K | 3 | |
| 29 Nov 2023 | £27K | £44K | £4,316 | -3 | |
| 29 Nov 2022 | -£25K | £17K | £16K | -2 | |
| 30 Nov 2021 | -£18K | £17K | £26K | £1,416 | 1 |
| 30 Nov 2020 | -£11K | £26K | £31K | £1,218 | 1 |
| 30 Nov 2019 | £1,964 | £635 | £3,048 | 0 |
Where T Phase Ltd is registered
The registered office is in London (SE3), in the Lewisham local authority area, London. Show SE3 0TA on a map.
Other trade companies in SE3
- Azaway LtdMotor traders
- Sunny Star Drylining LtdBuilders
- Lina Cleaning Services LtdCleaning companies
- J&J Property Works LtdJoiners and carpenters
- Nirvana Climate Solutions LtdPlumbers and heating engineers
- Akers Mep Services LtdPlumbers and heating engineers
- Pinewood Electrical LtdElectricians
- Zufc LtdCleaning companies
What happens if T Phase 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 29 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Nov 2026 to 29 Dec 2026 | £150 |
| 1 to 3 months late | 30 Dec 2026 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 29 May 2027 | £750 |
| More than 6 months late | From 30 May 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
- 11675609
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 November 2018 (7 years ago)
- Registered office
- Second Floor 15, Montpelier Vale, London, SE3 0TA
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 29 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 29 November 2024
- Last confirmation statement
- 19 November 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 London
Other active electrical contractors registered in London.
- T Sparks Electrical Ltd2025
- T&C Electrical Solutions Ltd2021
- T&S Electrical and Property Services Ltd2017
- T. D. Davis Limited2010
- T.E.D Electrical Ltd2024
- T.M.Electrical Ltd2024
- T.Sparkz Ltd2026
- T.Williams Electrical Services Ltd2017
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are T Phase Ltd's accounts due?
T Phase Ltd's next accounts are due at Companies House by 29 November 2026 (in 48 days), covering the period to 28 February 2026.
When is T Phase Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 29 November 2025, due by 29 November 2026, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is T Phase Ltd still trading?
T Phase 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 T Phase Ltd do?
T Phase Ltd is registered under Electrical installation (SIC 43210).
How old is T Phase Ltd?
T Phase Ltd was incorporated on 13 November 2018, 7 years ago.
What is the penalty if T Phase 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 T Phase 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.