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Specialist Interior Finishers Ltd.

ActiveTotal exemption (full) accountsSpecialist contractorsLondon
Company number
03483668
Incorporated
19 Dec 199728 years trading
Registered office
Calder & Co, 30 Orange Street, London, WC2H 7HF
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
79 days
31 Dec 2026
Net assets
-£7,563▼
-102.9% on the year before
Cash at bank
£76K▼
At 31 Mar 2025
Employees
7
Average during the year
From the Companies House register, 1 Oct 2026

Specialist Interior Finishers Ltd. is a 28-year-old private limited company registered in London, company number 03483668, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 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
31 Dec 2026
in 79 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 169 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 80 days
9 months and 1 day after the period end
Confirmation statement
23 Dec 2026
in 71 days
Last made up to 9 Dec 2025

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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 £265K (-102.9%) on the year before, to -£7,563.
  • Net assets rose in 2 of 6 year-on-year comparisons on record.
  • Current assets of £128K against £136K owed within a year: 0.9 times cover.
  • 7 employees on average, down from 11 the year before.
  • Balance sheets on record for 7 years, 2019 to 2025.

Net assets by year

Net assets at each year end, 2019 to 2025£0£200K31 March 2019: net assets £263K£263K201931 March 2020: net assets £178K£178K202031 March 2021: net assets £187K£187K202131 March 2022: net assets £164K£164K202231 March 2023: net assets £371K£371K202331 March 2024: net assets £258K£258K202431 March 2025: net assets -£7,563-£7,5632025
Net assets at each year end, 2019 to 2025£0£200K31 March 2019: net assets £263K£263K'1931 March 2020: net assets £178K£178K'2031 March 2021: net assets £187K£187K'2131 March 2022: net assets £164K£164K'2231 March 2023: net assets £371K£371K'2331 March 2024: net assets £258K£258K'2431 March 2025: net assets -£7,563-£7,563'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025-£7,563£76K£128K£136K7
31 Mar 2024£258K£194K£457K£227K11
31 Mar 2023£371K£353K£621K£276K11
31 Mar 2022£164K£468K£597K£449K10
31 Mar 2021£187K£177K£427K£262K10
31 Mar 2020£178K£97K£343K£191K10
31 Mar 2019£263K£246K£396K£156K10

Who runs and owns Specialist Interior Finishers Ltd.

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officer

NameRoleAppointed
G*** H***DirectorDec 1997
8 former officers
NameRoleAppointedLeft
W*** H***SecretaryDec 1997Oct 2026
Swift Incorporations LimitedCorporate Nominee SecretaryDec 1997Dec 1997
A*** A***DirectorJan 2018Feb 2025
P*** G***DirectorDec 1997Oct 1998
W*** H***DirectorDec 1997Oct 2026
M*** I***DirectorOct 1998Feb 2025
M*** I***DirectorDec 1997Oct 1998
S*** T***DirectorJan 2010Feb 2025

Person with significant control

Company · since Apr 2016
S.I.F. (Group) Limited
Owns 50% to 75% of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Charges (secured borrowing)

1 of 2 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.

LenderStatusRegistered
Sif (Group) LimitedOutstandingJan 2013
Gh Interiors (UK) Limited(In Administration)Satisfied Dec 2020Sep 1998

Where Specialist Interior Finishers Ltd. is registered

Specialist Interior Finishers Ltd.'s registered office on a map of the UK

The registered office is in London (WC2H), in the Westminster local authority area, London. Show WC2H 7HF on a map.

Other trade companies in WC2H

Shared registered office

29 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 Specialist Interior Finishers 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 2026.

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

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 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
03483668
Status
Active
Company type
Private limited company
Incorporated
19 December 1997 (28 years ago)
Registered office
Calder & Co, 30 Orange Street, London, WC2H 7HF
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2025
Last confirmation statement
9 December 2025
Charges (mortgages)
1 outstanding of 2 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 London

Other active specialist construction companies registered in London.

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

Frequently asked questions

When are Specialist Interior Finishers Ltd.'s accounts due?

Specialist Interior Finishers Ltd.'s next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.

When is Specialist Interior Finishers Ltd.'s CT600 due?

The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.

Is Specialist Interior Finishers Ltd. still trading?

Specialist Interior Finishers 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 Specialist Interior Finishers Ltd. do?

Specialist Interior Finishers Ltd. is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is Specialist Interior Finishers Ltd.?

Specialist Interior Finishers Ltd. was incorporated on 19 December 1997, 28 years ago.

Who runs Specialist Interior Finishers Ltd.?

Specialist Interior Finishers Ltd. has 1 active director, the longest-serving appointed in Dec 1997. Their names and service addresses are on the Companies House register.

Who owns Specialist Interior Finishers Ltd.?

One person or company has significant control of Specialist Interior Finishers Ltd.: S.I.F. (Group) Limited (owns 50% to 75% of the shares).

What is the penalty if Specialist Interior Finishers 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 Specialist Interior Finishers 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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