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Company profile · Specialist contractors

Secure Boundaries Limited

Secure Boundaries Limited is a newly incorporated private limited company registered in Harrow, company number 16790351, one of 273 specialist construction companies in Harrow. Its next accounts are due at Companies House on 16 July 2027, and its first CT600 is due at HMRC on 15 October 2027.

Active 16790351 No accounts filed yet accounts Harrow Since 2025

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.

Accounts due
16 Jul 2027
in 277 days
For the period to 31 Oct 2026
CT600 due (first of two)
15 Oct 2027
in 368 days
Period 16 Oct 2025 to 15 Oct 2026
CT600 due (second of two)
31 Oct 2027
in 384 days
Period 16 Oct 2026 to 31 Oct 2026
Corporation tax payment
1 Aug 2027
in 293 days
9 months and 1 day after the period end
Confirmation statement
29 Oct 2026
in 17 days

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Where Secure Boundaries Limited is registered

Secure Boundaries Limited's registered office on a map of the UK

The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 2SP on a map.

Other trade companies in HA1

Shared registered office

71 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.

What happens if Secure Boundaries 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 16 July 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late17 Jul 2027 to 16 Aug 2027£150
1 to 3 months late17 Aug 2027 to 16 Oct 2027£375
3 to 6 months late17 Oct 2027 to 16 Jan 2028£750
More than 6 months lateFrom 17 Jan 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Nov 2027£200
3 months late31 Jan 2028another £200
6 months late30 Apr 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Oct 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
16790351
Status
Active
Company type
Private limited company
Incorporated
16 October 2025
Registered office
C/O Delta House Limited, Phoenix Business Centre, Rosslyn Crescent, Harrow, Middlesex, HA1 2SP
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 October (accounting reference date)
Accounts type
No accounts filed yet

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 Harrow

Other active specialist construction companies registered in Harrow.

All specialist construction companies in Harrow · All trades in Harrow · Specialist contractors across the UK

Frequently asked questions

When are Secure Boundaries Limited's accounts due?

Secure Boundaries Limited's next accounts are due at Companies House by 16 July 2027 (in 277 days), covering the period to 31 October 2026.

When is Secure Boundaries Limited's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 15 October 2026, due by 15 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is Secure Boundaries Limited still trading?

Secure Boundaries 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 Secure Boundaries Limited do?

Secure Boundaries Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is Secure Boundaries Limited?

Secure Boundaries Limited was incorporated on 16 October 2025, less than a year ago.

What is the penalty if Secure Boundaries 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 Secure Boundaries 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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