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  4. Opal Bay Limited

Opal Bay Limited

ActiveUnaudited abridged accountsProperty developersSouthend on Sea
Company number
03008789
Incorporated
11 Jan 199531 years trading
Registered office
1 Nelson Mews, Southend on Sea, Essex, SS1 1AL
Nature of business
Development of building projects
Accounts due in
85 days
5 Jan 2027
Net assets
£4.2M▼
-1.9% on the year before
Cash at bank
£416K▲
At 31 Mar 2025
Employees
4
Average during the year
From the Companies House register, 1 Oct 2026

Opal Bay Limited is a 31-year-old private limited company registered in Southend on Sea, company number 03008789, one of 60 property development companies in Southend on Sea. Its next accounts are due at Companies House on 5 January 2027, and its first CT600 is due at HMRC on 31 March 2027.

Key dates

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

Accounts due
5 Jan 2027
in 85 days
For the period to 5 Apr 2026
CT600 due (first of two)
31 Mar 2027
in 170 days
Period 1 Apr 2025 to 31 Mar 2026
CT600 due (second of two)
5 Apr 2027
in 175 days
Period 1 Apr 2026 to 5 Apr 2026
Corporation tax payment
6 Jan 2027
in 86 days
9 months and 1 day after the period end
Confirmation statement
25 Jan 2027
in 105 days
Last made up to 11 Jan 2026

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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 £81K (-1.9%) on the year before, to £4.2M.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • Current assets of £2.9M against £823K owed within a year: 3.5 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£2.5M£5M5 April 2016: net assets £2.2M£2.2M201631 March 2017: net assets £2.8M£2.8M201731 March 2018: net assets £5.8M£5.8M201831 March 2019: net assets £6M£6M201931 March 2020: net assets £5.7M£5.7M202031 March 2021: net assets £6.5M£6.5M202131 March 2022: net assets £6.6M£6.6M202231 March 2023: net assets £5.4M£5.4M202331 March 2024: net assets £4.3M£4.3M202431 March 2025: net assets £4.2M£4.2M2025
Net assets at each year end, 2016 to 2025£0£2.5M£5M5 April 2016: net assets £2.2M£2.2M'1631 March 2017: net assets £2.8M£2.8M'1731 March 2018: net assets £5.8M£5.8M'1831 March 2019: net assets £6M£6M'1931 March 2020: net assets £5.7M£5.7M'2031 March 2021: net assets £6.5M£6.5M'2131 March 2022: net assets £6.6M£6.6M'2231 March 2023: net assets £5.4M£5.4M'2331 March 2024: net assets £4.3M£4.3M'2431 March 2025: net assets £4.2M£4.2M'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£4.2M£416K£2.9M£823K4
31 Mar 2024£4.3M£378K£2.9M£759K4
31 Mar 2023£5.4M£285K£2.6M£8.4M4
31 Mar 2022£6.6M£459K£2.7M£730K4
31 Mar 2021£6.5M£1.3M£3M£903K4
31 Mar 2020£5.7M£424K£2.1M£979K4
31 Mar 2019£6M£472K£2.2M£770K4
31 Mar 2018£5.8M£315K£2.2M£1.2M4
31 Mar 2017£2.8M£296K£641K£816K4
5 Apr 2016£2.2M£594K£680K£679K

Where Opal Bay Limited is registered

Opal Bay Limited's registered office on a map of the UK

The registered office is in Southend on Sea (SS1), in the Southend-on-Sea local authority area, East of England. Show SS1 1AL on a map.

Other trade companies in SS1

Shared registered office

27 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 Opal Bay 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 5 January 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late6 Jan 2027 to 5 Feb 2027£150
1 to 3 months late6 Feb 2027 to 5 Apr 2027£375
3 to 6 months late6 Apr 2027 to 5 Jul 2027£750
More than 6 months lateFrom 6 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late6 Apr 2027£200
3 months late5 Jul 2027another £200
6 months late5 Oct 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late5 Apr 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
03008789
Status
Active
Company type
Private limited company
Incorporated
11 January 1995 (31 years ago)
Registered office
1 Nelson Mews, Southend on Sea, Essex, SS1 1AL
Nature of business
Development of building projects (SIC 41100)
Year end
5 April (accounting reference date)
Accounts type
Unaudited abridged
Last accounts made up to
31 March 2025
Last confirmation statement
11 January 2026
Charges (mortgages)
10 outstanding of 26 registered

Filing notes for property development companies

Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.

Similar companies in Southend on Sea

Other active property development companies registered in Southend on Sea.

All property development companies in Southend on Sea · All trades in Southend on Sea · Property developers across the UK

Frequently asked questions

When are Opal Bay Limited's accounts due?

Opal Bay Limited's next accounts are due at Companies House by 5 January 2027 (in 85 days), covering the period to 5 April 2026.

When is Opal Bay 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 31 March 2026, due by 31 March 2027, and one for the period to 5 April 2026, due by 5 April 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is Opal Bay Limited still trading?

Opal Bay 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 Opal Bay Limited do?

Opal Bay Limited is registered under Development of building projects (SIC 41100).

How old is Opal Bay Limited?

Opal Bay Limited was incorporated on 11 January 1995, 31 years ago.

What is the penalty if Opal Bay 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 Opal Bay 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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