1. Companies
  2. Specialist contractors
  3. Caterham
  4. Soundproofing UK Ltd

Soundproofing UK Ltd

ActiveTotal exemption (full) accountsSpecialist contractorsCaterham
Company number
09638117
Incorporated
15 Jun 201511 years trading
Registered office
34 Croydon Road, Caterham, Surrey, CR3 6QB
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
352 days
30 Sep 2027
Net assets
£53▲
+100.3% on the year before
Cash at bank
£7,460▼
At 31 Dec 2025
Employees
3
Average during the year
From the Companies House register, 1 Oct 2026

Soundproofing UK Ltd is a 11-year-old private limited company registered in Caterham, company number 09638117, one of 31 specialist construction companies in Caterham. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 30 December 2026 is due at HMRC on 30 December 2027.

Key dates

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

Accounts due
30 Sep 2027
in 352 days
For the period to 30 Dec 2026
CT600 due
30 Dec 2027
in 443 days
Period 1 Jan 2026 to 30 Dec 2026
Corporation tax payment
1 Oct 2027
in 353 days
9 months and 1 day after the period end
Confirmation statement
31 Aug 2027
in 322 days
Last made up to 17 Aug 2026

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 Soundproofing UK Ltd

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 up £21K (+100.3%) on the year before, to £53.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • Current assets of £92K against £83K owed within a year: 1.1 times cover.
  • 3 employees on average during the year.
  • Balance sheets on record for 10 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025-£20K£030 June 2017: net assets £3£3201729 June 2018: net assets £5,479£5,479201829 June 2019: net assets £5,479£5,479201931 December 2019: net assets £26£26201931 December 2020: net assets £4,833£4,833202030 December 2021: net assets -£25K-£25K202130 December 2022: net assets -£21K-£21K202230 December 2023: net assets -£37K-£37K202330 December 2024: net assets -£21K-£21K202431 December 2025: net assets £53£532025
Net assets at each year end, 2017 to 2025-£20K£030 June 2017: net assets £3£3'1729 June 2018: net assets £5,479£5,479'1829 June 2019: net assets £5,479£5,479'1931 December 2019: net assets £26£26'1931 December 2020: net assets £4,833£4,833'2030 December 2021: net assets -£25K-£25K'2130 December 2022: net assets -£21K-£21K'2230 December 2023: net assets -£37K-£37K'2330 December 2024: net assets -£21K-£21K'2431 December 2025: net assets £53£53'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Dec 2025£53£7,460£92K£83K3
30 Dec 2024-£21K£9,775£23K£34K3
30 Dec 2023-£37K£11K£31K£74K3
30 Dec 2022-£21K£5,163£36K£61K6
30 Dec 2021-£25K£11K£21K£44K7
31 Dec 2020£4,833£66K£95K£85K2
31 Dec 2019£26£263
29 Jun 2019£5,479£26K£21K
29 Jun 2018£5,479£5,664£26K£21K
30 Jun 2017£3£3

Where Soundproofing UK Ltd is registered

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

The registered office is in Caterham (CR3), in the Tandridge local authority area, South East. Show CR3 6QB on a map.

Other trade companies in CR3

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 Soundproofing 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 30 September 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Oct 2027 to 31 Oct 2027£150
1 to 3 months late1 Nov 2027 to 31 Dec 2027£375
3 to 6 months late1 Jan 2028 to 31 Mar 2028£750
More than 6 months lateFrom 1 Apr 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late31 Dec 2027£200
3 months late30 Mar 2028another £200
6 months late30 Jun 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Dec 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
09638117
Status
Active
Company type
Private limited company
Incorporated
15 June 2015 (11 years ago)
Registered office
34 Croydon Road, Caterham, Surrey, CR3 6QB
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
30 December (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 December 2025
Last confirmation statement
17 August 2026

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 Caterham

Other active specialist construction companies registered in Caterham.

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

Frequently asked questions

When are Soundproofing UK Ltd's accounts due?

Soundproofing UK Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 30 December 2026.

When is Soundproofing UK Ltd's CT600 due?

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

Is Soundproofing UK Ltd still trading?

Soundproofing 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 Soundproofing UK Ltd do?

Soundproofing UK Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is Soundproofing UK Ltd?

Soundproofing UK Ltd was incorporated on 15 June 2015, 11 years ago.

What is the penalty if Soundproofing 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 Soundproofing 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.

File accounts + CT600File now£49Let's talk