- Companies
- Cleaning companies
- London
- Fast Building 17 Ltd
Fast Building 17 Ltd
- Company number
- 16610381
- Incorporated
- 28 Jul 20251 year trading
- Registered office
- Flat F, 44 Deptford Broadway, London, SE8 4PH
- Nature of business
- General cleaning of buildings
Fast Building 17 Ltd is a 1-year-old private limited company registered in London, company number 16610381, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 28 April 2027, and its first CT600 is due at HMRC on 27 July 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.
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Where Fast Building 17 Ltd is registered
The registered office is in London (SE8), in the Lewisham local authority area, London. Show SE8 4PH on a map.
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What happens if Fast Building 17 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Apr 2027 to 28 May 2027 | £150 |
| 1 to 3 months late | 29 May 2027 to 28 Jul 2027 | £375 |
| 3 to 6 months late | 29 Jul 2027 to 28 Oct 2027 | £750 |
| More than 6 months late | From 29 Oct 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
- 16610381
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 July 2025 (1 year ago)
- Registered office
- Flat F, 44 Deptford Broadway, London, SE8 4PH
- Nature of business
- General cleaning of buildings (SIC 81210)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in London
Other active cleaning companies registered in London.
- Fast Cleaning Services 25 Ltd2026
- Fast Response Pest Control Ltd2026
- Fast Track Cleaning Services Ltd2015
- Fast&Clean Ltd2022
- Fast&Go Clean Ltd2026
- Fast1Cleaning North West Ltd2019
- Fastlanedetailing1 Ltd2026
- Faultless Clean Ltd2023
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Fast Building 17 Ltd's accounts due?
Fast Building 17 Ltd's next accounts are due at Companies House by 28 April 2027 (in 197 days), covering the period to 31 July 2026.
When is Fast Building 17 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 27 July 2026, due by 27 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Fast Building 17 Ltd still trading?
Fast Building 17 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 Fast Building 17 Ltd do?
Fast Building 17 Ltd is registered under General cleaning of buildings (SIC 81210).
How old is Fast Building 17 Ltd?
Fast Building 17 Ltd was incorporated on 28 July 2025, 1 year ago.
What is the penalty if Fast Building 17 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 Fast Building 17 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.