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The Soundproof Ltd

ActiveMicro-entity accountsJoiners and carpentersLondon
Company number
10267299
Incorporated
7 Jul 201610 years trading
Registered office
Tempo House Office Number 6, 15 Falcon Road Battersea, London, SW11 2PJ
Nature of business
Joinery installation; Other retail sale of new goods in specialised stores (not commercial art galleries and opticians)
Accounts due in
445 days
31 Dec 2027
Net assets
£190K▲
+23.8% on the year before
Employees
5
Average during the year
From the Companies House register, 1 Oct 2026

The Soundproof Ltd is a 10-year-old private limited company registered in London, company number 10267299, one of 692 joinery companies in London. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.

Key dates

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

Accounts due
31 Dec 2027
in 445 days
For the period to 31 Mar 2027
CT600 due
31 Mar 2028
in 536 days
Period 1 Apr 2026 to 31 Mar 2027
Corporation tax payment
1 Jan 2028
in 446 days
9 months and 1 day after the period end
Confirmation statement
17 Jul 2027
in 278 days
Last made up to 3 Jul 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 up £37K (+23.8%) on the year before, to £190K.
  • Net assets rose in 8 of 9 year-on-year comparisons on record.
  • Current assets of £292K against £101K owed within a year: 2.9 times cover.
  • 5 employees on average during the year.
  • Balance sheets on record for 10 years, 2017 to 2026.

Net assets by year

Net assets at each year end, 2017 to 2026£0£100K31 July 2017: net assets £100£100201731 March 2018: net assets £6,880£6,880201831 March 2019: net assets £22K£22K201931 March 2020: net assets £32K£32K202031 March 2021: net assets £76K£76K202131 March 2022: net assets £152K£152K202231 March 2023: net assets £121K£121K202331 March 2024: net assets £127K£127K202431 March 2025: net assets £154K£154K202531 March 2026: net assets £190K£190K2026
Net assets at each year end, 2017 to 2026£0£100K31 July 2017: net assets £100£100'1731 March 2018: net assets £6,880£6,880'1831 March 2019: net assets £22K£22K'1931 March 2020: net assets £32K£32K'2031 March 2021: net assets £76K£76K'2131 March 2022: net assets £152K£152K'2231 March 2023: net assets £121K£121K'2331 March 2024: net assets £127K£127K'2431 March 2025: net assets £154K£154K'2531 March 2026: net assets £190K£190K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£190K£292K£101K5
31 Mar 2025£154K£263K£94K5
31 Mar 2024£127K£414K£264K5
31 Mar 2023£121K£287K£134K5
31 Mar 2022£152K£228K£281K£87K5
31 Mar 2021£76K£176K£50K2
31 Mar 2020£32K£102K£45K2
31 Mar 2019£22K£58K£35K
31 Mar 2018£6,880£13K£6,098
31 Jul 2017£100£100

Where The Soundproof Ltd is registered

The Soundproof Ltd's registered office on a map of the UK

The registered office is in London (SW11), in the Wandsworth local authority area, London. Show SW11 2PJ on a map.

Other trade companies in SW11

What happens if The Soundproof 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 December 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2028 to 31 Jan 2028£150
1 to 3 months late1 Feb 2028 to 31 Mar 2028£375
3 to 6 months late1 Apr 2028 to 30 Jun 2028£750
More than 6 months lateFrom 1 Jul 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2028£200
3 months late30 Jun 2028another £200
6 months late30 Sep 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2029another 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
10267299
Status
Active
Company type
Private limited company
Incorporated
7 July 2016 (10 years ago)
Registered office
Tempo House Office Number 6, 15 Falcon Road Battersea, London, SW11 2PJ
Nature of business
Joinery installation (SIC 43320)
Other retail sale of new goods in specialised stores (not commercial art galleries and opticians) (SIC 47789)
Year end
31 March (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 March 2026
Last confirmation statement
3 July 2026

Filing notes for joinery companies

Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.

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Frequently asked questions

When are The Soundproof Ltd's accounts due?

The Soundproof Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.

When is The Soundproof Ltd's CT600 due?

The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.

Is The Soundproof Ltd still trading?

The Soundproof 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 The Soundproof Ltd do?

The Soundproof Ltd is registered under Joinery installation (SIC 43320); Other retail sale of new goods in specialised stores (not commercial art galleries and opticians) (SIC 47789).

How old is The Soundproof Ltd?

The Soundproof Ltd was incorporated on 7 July 2016, 10 years ago.

What is the penalty if The Soundproof 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 The Soundproof 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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