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- Brook Blast Limited
Company profile · Specialist contractors
Brook Blast Limited
Brook Blast Limited is a 4-year-old private limited company registered in Chatham, company number 13855225, one of 107 specialist construction companies in Chatham. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 January 2026, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Brook Blast Limited over the years
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 £3,110 (-2.4%) on the year before, to -£131K.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- Current assets of £38K against £145K owed within a year: 0.3 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 4 years, 2023 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | -£131K | £38K | £145K | 4 | |
| 31 Jan 2025 | -£128K | £56K | £147K | 4 | |
| 31 Jan 2024 | -£97K | £50K | £116K | 4 | |
| 31 Jan 2023 | -£40K | £9,687 | £49K | 1 |
Where Brook Blast Limited is registered
The registered office is in Chatham (ME4), in the Medway local authority area, South East. Show ME4 4TZ on a map.
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What happens if Brook Blast Limited 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 13855225
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 January 2022 (4 years ago)
- Registered office
- The Joiner's Shop, The Historic Dockyard, Chatham, Kent, ME4 4TZ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 18 January 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Chatham
Other active specialist construction companies registered in Chatham.
- BS Metalwork & Construction Services Ltd2022
- CDRM Services Limited2017
- Charlwood Landscape Limited2003
- Cheema Formwork Limited2008
- City Stonecleaning Ltd2007
- Clique Unique Services Limited2019
- Construction & Design Risk Management Services Limited2015
- Crane & Plant Engineering (UK) Limited2004
All specialist construction companies in Chatham · All trades in Chatham · Specialist contractors across the UK
Frequently asked questions
When are Brook Blast Limited's accounts due?
Brook Blast Limited's next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is Brook Blast Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Brook Blast Limited still trading?
Brook Blast Limited 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 Brook Blast Limited do?
Brook Blast Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Brook Blast Limited?
Brook Blast Limited was incorporated on 18 January 2022, 4 years ago.
What is the penalty if Brook Blast Limited 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 Brook Blast Limited 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.