- Companies
- Electricians
- Truro
- South West Installations Ltd
South West Installations Ltd
- Company number
- 15469731
- Incorporated
- 6 Feb 20242 years trading
- Registered office
- 3 Hawthorn Row Penstraze, Chacewater, Truro, TR4 8PH
- Nature of business
- Electrical installation; Other building completion and finishing
South West Installations Ltd is a 2-year-old private limited company registered in Truro, company number 15469731, one of 44 electrical contractors in Truro. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for South West Installations LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2025
From the balance sheet at 28 February 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where South West Installations Ltd is registered
The registered office is in Truro (TR4), in the Cornwall local authority area, South West. Show TR4 8PH on a map.
Other trade companies in TR4
- I Spy Group SW LtdElectricians
- Harbour & Stone Developments LtdProperty developers
- Switched on Land and Developments LimitedProperty developers
- Wren Developments LtdProperty developers
- Level Up Refurbishments LtdFinishing trades
- Stratton Cleaning Co LtdCleaning companies
- Slate Worx (Cornwall) LtdRoofers
- C & L Developments LimitedProperty developers
What happens if South West 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 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
- 15469731
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 February 2024 (2 years ago)
- Registered office
- 3 Hawthorn Row Penstraze, Chacewater, Truro, TR4 8PH
- Nature of business
- Electrical installation (SIC 43210)
Other building completion and finishing (SIC 43390) - Year end
- 29 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 5 February 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 Truro
Other active electrical contractors registered in Truro.
- Spark-Quay Electrical Services Ltd2024
- Technical Electrical Engineering Limited1988
- The Cornish Spark Limited2025
- Titman Electrical Ltd2024
- Transformer Electrical Ltd2024
- Wallace Electrical (Cornwall) Ltd2010
- Ab Electrical (SW) Ltd2024
- Able Electrical Truro Ltd2022
All electrical contractors in Truro · All trades in Truro · Electricians across the UK
Frequently asked questions
When are South West Installations Ltd's accounts due?
South West Installations Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is South West Installations Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is South West Installations Ltd still trading?
South West 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 South West Installations Ltd do?
South West Installations Ltd is registered under Electrical installation (SIC 43210); Other building completion and finishing (SIC 43390).
How old is South West Installations Ltd?
South West Installations Ltd was incorporated on 6 February 2024, 2 years ago.
What is the penalty if South West 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 South West 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.