- Companies
- Electricians
- Sidcup
- BWT Construction South East Ltd
BWT Construction South East Ltd
- Company number
- 11430966
- Incorporated
- 25 Jun 20188 years trading
- Registered office
- 19 Meadows View, Sidcup, Kent, DA15 9BL
- Nature of business
- Electrical installation
BWT Construction South East Ltd is a 8-year-old private limited company registered in Sidcup, company number 11430966, one of 178 electrical contractors in Sidcup. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £150 (+21.6%) on the year before, to £846.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £21K against £19K owed within a year: 1.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £846 | £14 | £21K | £19K | 1 |
| 30 Jun 2024 | £696 | £55K | £62K | £54K | 1 |
| 30 Jun 2023 | £170 | £36K | £49K | £38K | 1 |
| 30 Jun 2022 | £47 | £41K | £59K | £45K | 1 |
| 30 Jun 2021 | £2,385 | £16K | £40K | £21K | 1 |
| 30 Jun 2020 | £8,553 | £73K | £73K | £51K | 1 |
| 30 Jun 2019 | £5,966 | £47K | £56K | £50K | 1 |
Where BWT Construction South East Ltd is registered
The registered office is in Sidcup (DA15), in the Bexley local authority area, London. Show DA15 9BL 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 BWT Construction South East 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 11430966
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 June 2018 (8 years ago)
- Registered office
- 19 Meadows View, Sidcup, Kent, DA15 9BL
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 9 July 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 Sidcup
Other active electrical contractors registered in Sidcup.
- C D Quinn Building Services Limited2019
- C Markham Electrical Limited2016
- C Quinn Electrical and Building Services Limited2015
- Carey Electrical Contracts Limited2013
- Cavern Electrical and Mechanical Services Limited2005
- CC Cousins Limited2000
- Central Fire Solutions Limited2023
- Charles F E Limited2024
All electrical contractors in Sidcup · All trades in Sidcup · Electricians across the UK
Frequently asked questions
When are BWT Construction South East Ltd's accounts due?
BWT Construction South East Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is BWT Construction South East Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is BWT Construction South East Ltd still trading?
BWT Construction South East 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 BWT Construction South East Ltd do?
BWT Construction South East Ltd is registered under Electrical installation (SIC 43210).
How old is BWT Construction South East Ltd?
BWT Construction South East Ltd was incorporated on 25 June 2018, 8 years ago.
What is the penalty if BWT Construction South East 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 BWT Construction South East 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.