- Companies
- Electricians
- Sidcup
- Phonica Limited
Phonica Limited
- Company number
- 11494328
- Incorporated
- 1 Aug 20188 years trading
- Registered office
- 45 Queenswood Road, Sidcup, Kent, DA15 8QP
- Nature of business
- Electrical installation
Phonica Limited is a 8-year-old private limited company registered in Sidcup, company number 11494328, one of 178 electrical contractors in Sidcup. 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 up £45K (+69.6%) on the year before, to -£20K.
- Net assets rose in 2 of 7 year-on-year comparisons on record.
- Current assets of £35K against £62K owed within a year: 0.6 times cover.
- 6 employees on average, up from 1 the year before.
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | -£20K | £15K | £35K | £62K | 6 |
| 31 Mar 2025 | -£65K | £15K | £42K | £103K | 1 |
| 31 Mar 2024 | -£26K | £7,257 | £41K | £56K | 2 |
| 31 Mar 2023 | -£24K | £7,257 | £43K | £56K | 3 |
| 31 Mar 2022 | -£7,731 | £9,391 | £83K | £69K | 3 |
| 31 Mar 2021 | £11K | £30K | £79K | £31K | 2 |
| 31 Mar 2020 | £51K | £43K | £74K | £38K | 2 |
| 31 Mar 2019 | £13K | £22K | £27K | £30K | 2 |
Where Phonica Limited is registered
The registered office is in Sidcup (DA15), in the Bexley local authority area, London. Show DA15 8QP on a map.
Other trade companies in DA15
- Petrichor Gardens LtdLandscapers and gardeners
- J Kennor Plumbing LimitedPlumbers and heating engineers
- Buckson Property Maintenance LtdElectricians
- MN Cooper UK LtdMotor traders
- Husband at Home LtdInstallers
- First Choice Cars LDN LtdMotor traders
- TSLM Electrical Contractors LtdElectricians
- Airhaus LtdPlumbers and heating engineers
What happens if Phonica 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 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
- 11494328
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 August 2018 (8 years ago)
- Registered office
- 45 Queenswood Road, Sidcup, Kent, DA15 8QP
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 30 May 2026
- Previous names
- Oktyx Limited (until 3 Oct 2025)
Mode Automation Limited (until 15 Jun 2023)
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 Sidcup
Other active electrical contractors registered in Sidcup.
- Pinewood Electrical Services Limited1997
- Pitman Electrical Services Ltd2019
- PJC Contract Services Limited2019
- Potter Electrical Services Limited2011
- Povey Little Services Limited2018
- Powell System Engineering Limited1993
- Prepen Technical Services Ltd Limited2018
- Prism Electric Limited2020
All electrical contractors in Sidcup · All trades in Sidcup · Electricians across the UK
Frequently asked questions
When are Phonica Limited's accounts due?
Phonica Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Phonica Limited'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 Phonica Limited still trading?
Phonica 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 Phonica Limited do?
Phonica Limited is registered under Electrical installation (SIC 43210).
How old is Phonica Limited?
Phonica Limited was incorporated on 1 August 2018, 8 years ago.
What is the penalty if Phonica 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 Phonica 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.