- Companies
- Electricians
- London
- Se25 DIY Ltd
Se25 DIY Ltd
- Company number
- 13103840
- Incorporated
- 30 Dec 20205 years trading
- Registered office
- 63 High Street, London, SE25 6EF
- Nature of business
- Electrical installation; Retail sale of hardware, paints and glass in specialised stores; Retail sale of electrical household appliances in specialised stores
Se25 DIY Ltd is a 5-year-old private limited company registered in London, company number 13103840, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 30 December 2026, and its first CT600 is due at HMRC on 31 December 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 £3,028 (+11.5%) on the year before, to -£23K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £16K against £45K owed within a year: 0.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | -£23K | £3,628 | £16K | £45K | 1 |
| 31 Dec 2023 | -£26K | £2,767 | £14K | £46K | 1 |
| 30 Dec 2023 | £26K | £14K | £46K | 1 | |
| 31 Dec 2022 | £23K | £14K | £44K | 3 | |
| 31 Dec 2021 | -£16K | £30 | £9,467 | £35K | 1 |
Where Se25 DIY Ltd is registered
The registered office is in London (SE25), in the Croydon local authority area, London. Show SE25 6EF on a map.
Other trade companies in SE25
- Luna Plumbing LtdPlumbers and heating engineers
- Mendivra LtdJoiners and carpenters
- Squeaky Mastery Services LtdCleaning companies
- MM(P)M LtdProperty developers
- Meysam Electrical LtdElectricians
- Madej Property Maintenance LtdFinishing trades
- Leonardo Bespoke Joinery LtdJoiners and carpenters
- GCS Electrical Services LimitedElectricians
What happens if Se25 DIY 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 30 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 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 | 31 Mar 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 | 30 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
- 13103840
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 December 2020 (5 years ago)
- Registered office
- 63 High Street, London, SE25 6EF
- Nature of business
- Electrical installation (SIC 43210)
Retail sale of hardware, paints and glass in specialised stores (SIC 47520)
Retail sale of electrical household appliances in specialised stores (SIC 47540) - Year end
- 30 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 29 December 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.
- Sebaco Electrical Solutions Limited2026
- Sec-Cam Ltd2024
- Second City Electricians Ltd2024
- Secure and Swift Electrics Ltd2024
- Secure Five Ltd2024
- Secureoptics Ltd2025
- Securidor Total Security Limited2003
- Securum Limited2013
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Se25 DIY Ltd's accounts due?
Se25 DIY Ltd's next accounts are due at Companies House by 30 December 2026 (in 78 days), covering the period to 30 March 2026.
When is Se25 DIY 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 31 December 2025, due by 31 December 2026, and one for the period to 30 March 2026, due by 30 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Se25 DIY Ltd still trading?
Se25 DIY 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 Se25 DIY Ltd do?
Se25 DIY Ltd is registered under Electrical installation (SIC 43210); Retail sale of hardware, paints and glass in specialised stores (SIC 47520); Retail sale of electrical household appliances in specialised stores (SIC 47540).
How old is Se25 DIY Ltd?
Se25 DIY Ltd was incorporated on 30 December 2020, 5 years ago.
What is the penalty if Se25 DIY 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 Se25 DIY 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.