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  4. Walcon Building & Maintenance Services Ltd

Walcon Building & Maintenance Services Ltd

ActiveMicro-entity accountsFinishing tradesFinchley
Company number
03288589
Incorporated
6 Dec 199629 years trading
Registered office
3RD Floor Marlborough House, 298 Regents Park Road, Finchley, London, N3 2SZ
Nature of business
Other building completion and finishing
Accounts due in
78 days
30 Dec 2026
From the Companies House register, 1 Oct 2026

Walcon Building & Maintenance Services Ltd is a 29-year-old private limited company registered in Finchley, company number 03288589, one of 12 building finishing companies in Finchley. Its next accounts are due at Companies House on 30 December 2026, and its first CT600 is due at HMRC on 30 December 2026.

Key dates

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

Accounts due
30 Dec 2026
in 78 days
For the period to 30 Mar 2026
CT600 due (first of two)
30 Dec 2026
in 78 days
Period 31 Dec 2024 to 30 Dec 2025
CT600 due (second of two)
30 Mar 2027
in 168 days
Period 31 Dec 2025 to 30 Mar 2026
Corporation tax payment
31 Dec 2026
in 79 days
9 months and 1 day after the period end
Confirmation statement
20 Dec 2026
in 68 days
Last made up to 6 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 up £38K (+111.9%) on the year before, to £4,084.
  • Net assets rose in 7 of 9 year-on-year comparisons on record.
  • Current assets of £51K against £47K owed within a year: 1.1 times cover.
  • 2 employees on average during the year.
  • Balance sheets on record for 10 years, 2015 to 2024.

Net assets by year

Net assets at each year end, 2015 to 2024-£20K£031 December 2015: net assets £311£311201531 December 2016: net assets £2,468£2,468201630 December 2017: net assets £2,711£2,711201730 December 2018: net assets £2,951£2,951201830 December 2019: net assets £3,637£3,637201930 December 2020: net assets £7,078£7,078202030 December 2021: net assets £15K£15K202130 December 2022: net assets £1,101£1,101202230 December 2023: net assets -£34K-£34K202330 December 2024: net assets £4,084£4,0842024
Net assets at each year end, 2015 to 2024-£20K£031 December 2015: net assets £311£311'1531 December 2016: net assets £2,468£2,468'1630 December 2017: net assets £2,711£2,711'1730 December 2018: net assets £2,951£2,951'1830 December 2019: net assets £3,637£3,637'1930 December 2020: net assets £7,078£7,078'2030 December 2021: net assets £15K£15K'2130 December 2022: net assets £1,101£1,101'2230 December 2023: net assets -£34K-£34K'2330 December 2024: net assets £4,084£4,084'24
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Dec 2024£4,084£51K£47K2
30 Dec 2023-£34K£18K£52K2
30 Dec 2022£1,101£56K£55K2
30 Dec 2021£15K£82K£67K2
30 Dec 2020£7,078£66K£60K3
30 Dec 2019£3,637£63K£59K3
30 Dec 2018£2,951£71K£68K
30 Dec 2017£2,711£43K£41K
31 Dec 2016£2,468£37K£35K
31 Dec 2015£311£24K£42K£43K

Where Walcon Building & Maintenance Services Ltd is registered

Walcon Building & Maintenance Services Ltd's registered office on a map of the UK

The registered office is in Finchley (N3), in the Barnet local authority area, London. Show N3 2SZ on a map.

Other trade companies in N3

Shared registered office

34 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 Walcon Building & Maintenance Services 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 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late31 Dec 2026 to 30 Jan 2027£150
1 to 3 months late31 Jan 2027 to 30 Mar 2027£375
3 to 6 months late31 Mar 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 late31 Mar 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 late30 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
03288589
Status
Active
Company type
Private limited company
Incorporated
6 December 1996 (29 years ago)
Registered office
3RD Floor Marlborough House, 298 Regents Park Road, Finchley, London, N3 2SZ
Nature of business
Other building completion and finishing (SIC 43390)
Year end
30 December (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 December 2024
Last confirmation statement
6 December 2025

Filing notes for building finishing companies

Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.

Similar companies in Finchley

Other active building finishing companies registered in Finchley.

All building finishing companies in Finchley · All trades in Finchley · Finishing trades across the UK

Frequently asked questions

When are Walcon Building & Maintenance Services Ltd's accounts due?

Walcon Building & Maintenance Services Ltd's next accounts are due at Companies House by 30 December 2026 (in 78 days), covering the period to 30 March 2026.

When is Walcon Building & Maintenance Services Ltd's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 December 2025, due by 30 December 2026, and one for the period to 30 March 2026, due by 30 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is Walcon Building & Maintenance Services Ltd still trading?

Walcon Building & Maintenance Services 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 Walcon Building & Maintenance Services Ltd do?

Walcon Building & Maintenance Services Ltd is registered under Other building completion and finishing (SIC 43390).

How old is Walcon Building & Maintenance Services Ltd?

Walcon Building & Maintenance Services Ltd was incorporated on 6 December 1996, 29 years ago.

What is the penalty if Walcon Building & Maintenance Services 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 Walcon Building & Maintenance Services 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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