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  4. Sealasite Limited

Sealasite Limited

ActiveUnaudited abridged accountsRoofersFolkestone
Company number
06765606
Incorporated
4 Dec 200817 years trading
Registered office
Unit 3 Stanley Court Shearway Business Park, Shearway Road, Folkestone, Kent, CT19 4FJ
Nature of business
Roofing activities
Accounts due in
18 days
31 Oct 2026
Net assets
£34K▲
+50.4% on the year before
Cash at bank
£59K▲
At 31 Jan 2025
Employees
4
Average during the year
From the Companies House register, 1 Oct 2026

Sealasite Limited is a 17-year-old private limited company registered in Folkestone, company number 06765606, one of 6 roofing companies in Folkestone. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Oct 2026
in 18 days
For the period to 31 Jan 2026
CT600 due
31 Jan 2027
in 110 days
Period 1 Feb 2025 to 31 Jan 2026
Corporation tax payment
1 Nov 2026
in 19 days
9 months and 1 day after the period end
Confirmation statement
18 Dec 2026
in 66 days
Last made up to 4 Dec 2025

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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 up £11K (+50.4%) on the year before, to £34K.
  • Net assets rose in 6 of 9 year-on-year comparisons on record.
  • Current assets of £62K against £31K owed within a year: 2.0 times cover.
  • 4 employees on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£20K31 January 2016: net assets £9,439£9,439201631 January 2017: net assets £23K£23K201731 January 2018: net assets £12K£12K201831 January 2019: net assets £6,461£6,461201931 January 2020: net assets £9,399£9,399202031 January 2021: net assets £24K£24K202131 January 2022: net assets £33K£33K202231 January 2023: net assets £19K£19K202331 January 2024: net assets £23K£23K202431 January 2025: net assets £34K£34K2025
Net assets at each year end, 2016 to 2025£0£20K31 January 2016: net assets £9,439£9,439'1631 January 2017: net assets £23K£23K'1731 January 2018: net assets £12K£12K'1831 January 2019: net assets £6,461£6,461'1931 January 2020: net assets £9,399£9,399'2031 January 2021: net assets £24K£24K'2131 January 2022: net assets £33K£33K'2231 January 2023: net assets £19K£19K'2331 January 2024: net assets £23K£23K'2431 January 2025: net assets £34K£34K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jan 2025£34K£59K£62K£31K4
31 Jan 2024£23K£39K£53K£32K4
31 Jan 2023£19K£48K£62K£26K4
31 Jan 2022£33K£65K£75K£23K4
31 Jan 2021£24K£49K£69K£27K3
31 Jan 2020£9,399£24K£28K£24K3
31 Jan 2019£6,461£13K£25K£23K4
31 Jan 2018£12K£13K£23K£14K4
31 Jan 2017£23K£35K£48K£29K4
31 Jan 2016£9,439£26K£51K£45K

Where Sealasite Limited is registered

Sealasite Limited's registered office on a map of the UK

The registered office is in Folkestone (CT19), in the Folkestone and Hythe local authority area, South East. Show CT19 4FJ on a map.

Other trade companies in CT19

Also registered at this address

16 other companies use the same registered office as Sealasite Limited.

What happens if Sealasite 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 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Nov 2026 to 30 Nov 2026£150
1 to 3 months late1 Dec 2026 to 31 Jan 2027£375
3 to 6 months late1 Feb 2027 to 30 Apr 2027£750
More than 6 months lateFrom 1 May 2027£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Feb 2027£200
3 months late30 Apr 2027another £200
6 months late31 Jul 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jan 2028another 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
06765606
Status
Active
Company type
Private limited company
Incorporated
4 December 2008 (17 years ago)
Registered office
Unit 3 Stanley Court Shearway Business Park, Shearway Road, Folkestone, Kent, CT19 4FJ
Nature of business
Roofing activities (SIC 43910)
Year end
31 January (accounting reference date)
Accounts type
Unaudited abridged
Last accounts made up to
31 January 2025
Last confirmation statement
4 December 2025

Filing notes for roofing companies

Roofing companies commonly work under CIS and run vans and access equipment, so CIS deductions and capital allowances are the two things to get right.

Similar companies in Folkestone

Other active roofing companies registered in Folkestone.

All roofing companies in Folkestone · All trades in Folkestone · Roofers across the UK

Frequently asked questions

When are Sealasite Limited's accounts due?

Sealasite Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.

When is Sealasite Limited's CT600 due?

The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.

Is Sealasite Limited still trading?

Sealasite 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 Sealasite Limited do?

Sealasite Limited is registered under Roofing activities (SIC 43910).

How old is Sealasite Limited?

Sealasite Limited was incorporated on 4 December 2008, 17 years ago.

What is the penalty if Sealasite 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 Sealasite Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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