1. Companies
  2. Specialist contractors
  3. Brighton
  4. Adenstar Limited

Adenstar Limited

ActiveMicro-entity accountsSpecialist contractorsBrighton
Company number
08813754
Incorporated
13 Dec 201312 years trading
Registered office
Maria House, 35 Millers Road, Brighton, East Sussex, BN1 5NP
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
316 days
25 Aug 2027
Net assets
£1.6M▼
-3.5% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Adenstar Limited is a 12-year-old private limited company registered in Brighton, company number 08813754, one of 115 specialist construction companies in Brighton. Its next accounts are due at Companies House on 25 August 2027, and the CT600 for the period to 25 November 2026 is due at HMRC on 25 November 2027.

Key dates

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

Accounts due
25 Aug 2027
in 316 days
For the period to 25 Nov 2026
CT600 due
25 Nov 2027
in 408 days
Period 1 Dec 2025 to 25 Nov 2026
Corporation tax payment
26 Aug 2027
in 317 days
9 months and 1 day after the period end
Confirmation statement
27 Dec 2026
in 75 days
Last made up to 13 Dec 2025

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 Adenstar Limited

Or 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 down £58K (-3.5%) on the year before, to £1.6M.
  • Net assets rose in 2 of 7 year-on-year comparisons on record.
  • Current assets of £1.2M against £1.2M owed within a year: 1.0 times cover.
  • 1 employee on average, down from 2 the year before.
  • Balance sheets on record for 9 years, 2014 to 2025.

Net assets by year

Net assets at each year end, 2020 to 2025£0£1M£2M31 May 2020: net assets £2.2M£2.2M202031 May 2021: net assets £2.1M£2.1M202131 May 2022: net assets £1.9M£1.9M202231 May 2023: net assets £1.8M£1.8M202330 November 2024: net assets £1.6M£1.6M202430 November 2025: net assets £1.6M£1.6M2025
Net assets at each year end, 2020 to 2025£0£1M£2M31 May 2020: net assets £2.2M£2.2M202031 May 2021: net assets £2.1M£2.1M202131 May 2022: net assets £1.9M£1.9M202231 May 2023: net assets £1.8M£1.8M202330 November 2024: net assets £1.6M£1.6M202430 November 2025: net assets £1.6M£1.6M2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Nov 2025£1.6M£1.2M£1.2M1
30 Nov 2024£1.6M£3,873£1.2M£919K2
31 May 2023£1.8M£300£1.2M£629K2
31 May 2022£1.9M£670£1.1M£345K
31 May 2021£2.1M£10K£1.2M£142K
31 May 2020£2.2M£8,893£2.2M£1M
31 May 2016£316K£32K
31 May 2015£313K£0£32K£32K
28 Feb 2014£1£1£1£0

Where Adenstar Limited is registered

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

The registered office is in Brighton (BN1), in the Brighton and Hove local authority area, South East. Show BN1 5NP on a map.

Other trade companies in BN1

Shared registered office

112 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 Adenstar 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 25 August 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late26 Aug 2027 to 25 Sep 2027£150
1 to 3 months late26 Sep 2027 to 25 Nov 2027£375
3 to 6 months late26 Nov 2027 to 25 Feb 2028£750
More than 6 months lateFrom 26 Feb 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late26 Nov 2027£200
3 months late25 Feb 2028another £200
6 months late25 May 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late25 Nov 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
08813754
Status
Active
Company type
Private limited company
Incorporated
13 December 2013 (12 years ago)
Registered office
Maria House, 35 Millers Road, Brighton, East Sussex, BN1 5NP
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
25 November (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 November 2025
Last confirmation statement
13 December 2025
Charges (mortgages)
4 outstanding of 5 registered

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 Brighton

Other active specialist construction companies registered in Brighton.

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

Frequently asked questions

When are Adenstar Limited's accounts due?

Adenstar Limited's next accounts are due at Companies House by 25 August 2027 (in 316 days), covering the period to 25 November 2026.

When is Adenstar Limited's CT600 due?

The CT600 for the period to 25 November 2026 is due at HMRC by 25 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 26 August 2027.

Is Adenstar Limited still trading?

Adenstar 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 Adenstar Limited do?

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

How old is Adenstar Limited?

Adenstar Limited was incorporated on 13 December 2013, 12 years ago.

What is the penalty if Adenstar 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 Adenstar 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.

File accounts + CT600File now£49Let's talk