- Company number
- 12737686
- Incorporated
- 13 Jul 20206 years trading
- Registered office
- 27 French Street, Sunbury on Thames, London, TW16 5JH
- Nature of business
- Construction of domestic buildings; Other building completion and finishing
FLK Build Ltd is a 6-year-old private limited company registered in London, company number 12737686, one of 12,075 building contractors in London. 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 down £15K (-81.7%) on the year before, to £3,260.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £12K against £24K owed within a year: 0.5 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £3,260 | £5,568 | £12K | £24K | 2 |
| 31 Jul 2024 | £18K | £16K | £22K | £19K | 1 |
| 31 Jul 2023 | £17K | £15K | £22K | £17K | 1 |
| 31 Jul 2022 | £29K | £33K | £39K | £23K | 1 |
| 31 Jul 2021 | £13K | £17K | £21K | £9,091 | 1 |
Where FLK Build Ltd is registered
The registered office is in London (TW16), in the Spelthorne local authority area, South East. Show TW16 5JH on a map.
Other trade companies in TW16
- Top Lodge LtdProperty developers
- Sajaha Properties LimitedProperty developers
- Cineco Holdings LimitedSpecialist contractors
- Keyturn Clean LtdCleaning companies
- VM Conservatory Transformation LtdBuilders
- Nova Property Solutions LtdPainters and decorators
- Lee’S Home Improvements LtdBuilders
- Rapid Home Srvices LtdFinishing trades
What happens if FLK Build 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
- 12737686
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 July 2020 (6 years ago)
- Registered office
- 27 French Street, Sunbury on Thames, London, TW16 5JH
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390) - Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 12 July 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- Flo Groundwork Ltd2026
- Flocrys Limited2024
- Flofin Ltd2026
- Floor Electric Limited2024
- Floorin Trading Ltd2026
- Florad Incorporations Limited2012
- Florin Buildworks Ltd2025
- Florin Sauciuc Ltd2016
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are FLK Build Ltd's accounts due?
FLK Build Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is FLK Build 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 FLK Build Ltd still trading?
FLK Build 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 FLK Build Ltd do?
FLK Build Ltd is registered under Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390).
How old is FLK Build Ltd?
FLK Build Ltd was incorporated on 13 July 2020, 6 years ago.
What is the penalty if FLK Build 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 FLK Build 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.