- Companies
- Electricians
- Redhill
- South West One Construction Ltd
South West One Construction Ltd
- Company number
- 15001497
- Incorporated
- 13 Jul 20233 years trading
- Registered office
- 63 Nutfield Road, Redhill, Redhill, RH1 3ER
- Nature of business
- Electrical installation; Other building completion and finishing
South West One Construction Ltd is a 3-year-old private limited company registered in Redhill, company number 15001497, one of 74 electrical contractors in Redhill. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 unchanged on the year before, at £1.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £1 | £1 | £0 | 1 | |
| 31 Jul 2024 | £1 | £1 | 1 |
Where South West One Construction Ltd is registered
The registered office is in Redhill (RH1), in the Reigate and Banstead local authority area, South East. Show RH1 3ER on a map.
Other trade companies in RH1
- Willows Property Services LtdCleaning companies
- Rustic Civil LtdBuilders
- Redmeres LtdInstallers
- CTC Maintenance Services LtdPainters and decorators
- Mercury Mechanical LimitedElectricians
- Gotoroofingandguttering LtdRoofers
- Fine Cut Carpentry and Construction LimitedInstallers
- Sixes Carpentry LimitedJoiners and carpenters
Shared registered office
48 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if South West One Construction 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 15001497
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 July 2023 (3 years ago)
- Registered office
- 63 Nutfield Road, Redhill, Redhill, RH1 3ER
- Nature of business
- Electrical installation (SIC 43210)
Other building completion and finishing (SIC 43390) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 15 July 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 Redhill
Other active electrical contractors registered in Redhill.
- Southmarsh Limited2016
- Stratos Property Services Limited2020
- Surrey Fire Safety Solutions Limited2012
- SW3 Services Ltd2018
- Watts Up Sparks Limited2016
- A.M.P. Electrical Contractors & Engineers (S.E.) Limited2004
- A.M.P. Electrical Contractors and Engineers Limited2002
- Altera Ltd2025
All electrical contractors in Redhill · All trades in Redhill · Electricians across the UK
Frequently asked questions
When are South West One Construction Ltd's accounts due?
South West One Construction Ltd's next accounts are due at Companies House by 30 April 2027 (in 198 days), covering the period to 31 July 2026.
When is South West One Construction Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is South West One Construction Ltd still trading?
South West One Construction Ltd is listed as active on the Companies House register (checked 13 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 One Construction Ltd do?
South West One Construction Ltd is registered under Electrical installation (SIC 43210); Other building completion and finishing (SIC 43390).
How old is South West One Construction Ltd?
South West One Construction Ltd was incorporated on 13 July 2023, 3 years ago.
What is the penalty if South West One Construction 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 One Construction Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.