- Companies
- Electricians
- Upminster
- Summermills Ltd
Summermills Ltd
- Company number
- 16440207
- Incorporated
- 9 May 20251 year trading
- Registered office
- 14 Meadowside Road, Upminster, RM14 3YT
- Nature of business
- Electrical installation
Summermills Ltd is a 1-year-old private limited company registered in Upminster, company number 16440207, one of 42 electrical contractors in Upminster. Its next accounts are due at Companies House on 9 February 2027, and its first CT600 is due at HMRC on 8 May 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where Summermills Ltd is registered
The registered office is in Upminster (RM14), in the Havering local authority area, London. Show RM14 3YT on a map.
Other trade companies in RM14
- Bobofresh LtdCleaning companies
- HTS Construction LtdBuilders
- We Fix Energy LtdCivil engineering
- ZH Services LtdBuilders
- Ragasan LimitedBuilders
- Your Serve LtdCleaning companies
- LC Engineering LtdMachinery repair and installation
- Caat Interiors LtdInstallers
Also registered at this address
1 other company uses the same registered office as Summermills Ltd.
- Charge Point Electrical LtdElectricians
What happens if Summermills 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 9 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Feb 2027 to 9 Mar 2027 | £150 |
| 1 to 3 months late | 10 Mar 2027 to 9 May 2027 | £375 |
| 3 to 6 months late | 10 May 2027 to 9 Aug 2027 | £750 |
| More than 6 months late | From 10 Aug 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
- 16440207
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 May 2025 (1 year ago)
- Registered office
- 14 Meadowside Road, Upminster, RM14 3YT
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 5 October 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 Upminster
Other active electrical contractors registered in Upminster.
- TDJ Electrical Services Limited2007
- Tec Electrical Solutions Limited2021
- Trumec Ltd2023
- Upminster Fire and Electrical Services Ltd2004
- Upson Electrical & Air Conditioning Ltd2022
- Wickford Electrical Ltd2025
- 365 Electrical Services Limited2014
- Aaa London Electrical Limited2019
All electrical contractors in Upminster · All trades in Upminster · Electricians across the UK
Frequently asked questions
When are Summermills Ltd's accounts due?
Summermills Ltd's next accounts are due at Companies House by 9 February 2027 (in 119 days), covering the period to 31 May 2026.
When is Summermills 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 8 May 2026, due by 8 May 2027, and one for the period to 31 May 2026, due by 31 May 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Summermills Ltd still trading?
Summermills 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 Summermills Ltd do?
Summermills Ltd is registered under Electrical installation (SIC 43210).
How old is Summermills Ltd?
Summermills Ltd was incorporated on 9 May 2025, 1 year ago.
What is the penalty if Summermills 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 Summermills 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.