- Company number
- 11061613
- Incorporated
- 13 Nov 20178 years trading
- Registered office
- 80 Manor Road, Lancing, BN15 0HD
- Nature of business
- Construction of domestic buildings; Buying and selling of own real estate; Other letting and operating of own or leased real estate
Sealanes Brighton Ltd is a 8-year-old private limited company registered in Lancing, company number 11061613, one of 42 building contractors in Lancing. Its next accounts are due at Companies House on 28 June 2027, and the CT600 for the period to 28 September 2026 is due at HMRC on 28 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Sealanes Brighton LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £144K (+21.7%) on the year before, to £806K.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £764K against £691K owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £806K | £529K | £764K | £691K | 0 |
| 30 Sep 2024 | £662K | £605K | £772K | £631K | 5 |
| 30 Sep 2023 | £47K | £69K | £124K | £487K | 0 |
| 30 Sep 2022 | -£20K | £534K | £611K | £237K | 0 |
| 30 Sep 2021 | £8,422 | £106K | £138K | £33K | 0 |
| 30 Sep 2020 | -£66K | £24K | £65K | £402K | 0 |
| 30 Sep 2019 | -£57K | £24K | £33K | £283K | |
| 30 Sep 2018 | -£28K | £175K | £203K |
Where Sealanes Brighton Ltd is registered
The registered office is in Lancing (BN15), in the Adur local authority area, South East. Show BN15 0HD on a map.
Other trade companies in BN15
- DR Building & Landscaping LimitedLandscapers and gardeners
- Elev8Hoist&Crane LtdInstallers
- Iron Marques LtdMotor traders
- Bish Bash Bosh Builds LtdBuilders
- Feelfree 2U Cleaning LtdCleaning companies
- Blank Canvas Projects LtdFinishing trades
- H Mason Construction LtdBuilders
- Offord LtdProperty developers
What happens if Sealanes Brighton 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Jun 2027 to 28 Jul 2027 | £150 |
| 1 to 3 months late | 29 Jul 2027 to 28 Sep 2027 | £375 |
| 3 to 6 months late | 29 Sep 2027 to 28 Dec 2027 | £750 |
| More than 6 months late | From 29 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Sep 2027 | £200 |
| 3 months late | 28 Dec 2027 | another £200 |
| 6 months late | 28 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Sep 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
- 11061613
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 November 2017 (8 years ago)
- Registered office
- 80 Manor Road, Lancing, BN15 0HD
- Nature of business
- Construction of domestic buildings (SIC 41202)
Buying and selling of own real estate (SIC 68100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 28 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 10 November 2025
- Charges (mortgages)
- 2 outstanding of 2 registered
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 Lancing
Other active building contractors registered in Lancing.
- Seaview Building Company Ltd2019
- Seven Construction Southern Ltd2025
- Southshore Construction Limited2026
- Term Construction Limited2013
- Timi Construction Ltd2021
- TJG Carpentry and Building Ltd2025
- Touchstone Investments Limited1991
- Wingfield Development Ltd2025
All building contractors in Lancing · All trades in Lancing · Builders across the UK
Frequently asked questions
When are Sealanes Brighton Ltd's accounts due?
Sealanes Brighton Ltd's next accounts are due at Companies House by 28 June 2027 (in 258 days), covering the period to 28 September 2026.
When is Sealanes Brighton Ltd's CT600 due?
The CT600 for the period to 28 September 2026 is due at HMRC by 28 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 29 June 2027.
Is Sealanes Brighton Ltd still trading?
Sealanes Brighton 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 Sealanes Brighton Ltd do?
Sealanes Brighton Ltd is registered under Construction of domestic buildings (SIC 41202); Buying and selling of own real estate (SIC 68100); Other letting and operating of own or leased real estate (SIC 68209).
How old is Sealanes Brighton Ltd?
Sealanes Brighton Ltd was incorporated on 13 November 2017, 8 years ago.
What is the penalty if Sealanes Brighton 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 Sealanes Brighton 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.