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Asonic UK Ltd

ActiveMicro-entity accountsProperty developersLondon
Company number
05710470
Incorporated
15 Feb 200620 years trading
Registered office
17 Britannia Building, 12 Ebenezer Street, London, N1 7RP
Nature of business
Development of building projects
Accounts due in
110 days
31 Jan 2027
Net assets
-£596K▼
-403.0% on the year before
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Asonic UK Ltd is a 20-year-old private limited company registered in London, company number 05710470, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.

Key dates

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

Accounts due
31 Jan 2027
in 110 days
For the period to 30 Apr 2026
CT600 due
30 Apr 2027
in 199 days
Period 1 May 2025 to 30 Apr 2026
Corporation tax payment
1 Feb 2027
in 111 days
9 months and 1 day after the period end
Confirmation statement
18 Sep 2027
in 340 days
Last made up to 4 Sep 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 £793K (-403%) on the year before, to -£596K.
  • Net assets rose in 1 of 6 year-on-year comparisons on record.
  • Current assets of £8,864 against £48K owed within a year: 0.2 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 8 years, 2015 to 2025.

Net assets by year

Net assets at each year end, 2020 to 2025£0£1M£2M30 April 2020: net assets £2.3M£2.3M202030 April 2021: net assets £2.2M£2.2M202130 April 2022: net assets £1.9M£1.9M202230 April 2023: net assets £1.2M£1.2M202330 April 2024: net assets £197K£197K202430 April 2025: net assets -£596K-£596K2025
Net assets at each year end, 2020 to 2025£0£1M£2M30 April 2020: net assets £2.3M£2.3M202030 April 2021: net assets £2.2M£2.2M202130 April 2022: net assets £1.9M£1.9M202230 April 2023: net assets £1.2M£1.2M202330 April 2024: net assets £197K£197K202430 April 2025: net assets -£596K-£596K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Apr 2025-£596K£8,864£48K0
30 Apr 2024£197K£31K£2.9M1
30 Apr 2023£1.2M£44K£1.8M1
30 Apr 2022£1.9M£82K£1.1M1
30 Apr 2021£2.2M£74K£947K0
30 Apr 2020£2.3M£56K£832K1
30 Apr 2016£2.4M£10K£39K£438K
30 Apr 2015£2.3M£5,822£51K£75K

Where Asonic UK Ltd is registered

Asonic UK Ltd's registered office on a map of the UK

The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7RP on a map.

Other trade companies in N1

Also registered at this address

1 other company uses the same registered office as Asonic UK Ltd.

What happens if Asonic UK 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 31 January 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Feb 2027 to 28 Feb 2027£150
1 to 3 months late1 Mar 2027 to 30 Apr 2027£375
3 to 6 months late1 May 2027 to 31 Jul 2027£750
More than 6 months lateFrom 1 Aug 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 May 2027£200
3 months late30 Jul 2027another £200
6 months late30 Oct 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 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
05710470
Status
Active
Company type
Private limited company
Incorporated
15 February 2006 (20 years ago)
Registered office
17 Britannia Building, 12 Ebenezer Street, London, N1 7RP
Nature of business
Development of building projects (SIC 41100)
Year end
30 April (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 April 2025
Last confirmation statement
4 September 2026
Charges (mortgages)
1 outstanding of 1 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 London

Other active property development companies registered in London.

All property development companies in London · All trades in London · Property developers across the UK

Frequently asked questions

When are Asonic UK Ltd's accounts due?

Asonic UK Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.

When is Asonic UK Ltd's CT600 due?

The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.

Is Asonic UK Ltd still trading?

Asonic UK 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 Asonic UK Ltd do?

Asonic UK Ltd is registered under Development of building projects (SIC 41100).

How old is Asonic UK Ltd?

Asonic UK Ltd was incorporated on 15 February 2006, 20 years ago.

What is the penalty if Asonic UK 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 Asonic UK Ltd 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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