- Companies
- Electricians
- London
- Prime London Installations Ltd
Prime London Installations Ltd
- Company number
- 13410354
- Incorporated
- 20 May 20215 years trading
- Registered office
- 398 Harrow Road, London, W9 2HU
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation; Security systems service activities
Prime London Installations Ltd is a 5-year-old private limited company registered in London, company number 13410354, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 up £8,634 on the year before, to £9,368.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £9,368 | £20K | 0 | ||
| 31 May 2024 | £734 | £12K | £12K | 0 | |
| 31 May 2023 | £1,578 | £4,340 | £2,762 | 0 | |
| 31 May 2022 | £100 |
Where Prime London Installations Ltd is registered
The registered office is in London (W9), in the Westminster local authority area, London. Show W9 2HU on a map.
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- Trillion Trades Motors LtdMotor traders
- MC Builders Direct & Roof Repairs LimitedFinishing trades
- Circle Tech London LimitedFinishing trades
- Electrical H Services LtdElectricians
- Luxe Property Estate LtdFinishing trades
- Call Me Builder Services LtdBuilders
- RSJJ LtdProperty developers
What happens if Prime London Installations 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 13410354
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 May 2021 (5 years ago)
- Registered office
- 398 Harrow Road, London, W9 2HU
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Security systems service activities (SIC 80200) - Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 15 September 2026
- Previous names
- Evolution Installation Team Ltd. (until 1 May 2025)
Like New Home Refurbishment Ltd (until 21 Mar 2024)
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.
- Prime Power Electrical Limited2025
- Prime Security Solutions Limited2022
- Priyansh Solutions Ltd2025
- Pro D Electrical Ltd2025
- Pro Engineers 247 Ltd2022
- Pro Events Inc Ltd2026
- Pro Tech Electrical Contractors Limited2021
- Proalert Fire and Security Ltd2026
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Prime London Installations Ltd's accounts due?
Prime London Installations Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Prime London Installations Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Prime London Installations Ltd still trading?
Prime London Installations 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 Prime London Installations Ltd do?
Prime London Installations Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Security systems service activities (SIC 80200).
How old is Prime London Installations Ltd?
Prime London Installations Ltd was incorporated on 20 May 2021, 5 years ago.
What is the penalty if Prime London Installations 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 Prime London Installations 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.