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  4. Diamant Building Services Ltd.

Diamant Building Services Ltd.

ActiveMicro-entity accountsProperty developersBorehamwood
Company number
08400210
Incorporated
13 Feb 201313 years trading
Registered office
128 Balmoral Drive, Borehamwood, WD6 2QT
Nature of business
Development of building projects; Other building completion and finishing; Other specialised construction activities n.e.c.
Accounts due in
79 days
31 Dec 2026
Net assets
£21K▼
-44.4% on the year before
Employees
3
Average during the year
From the Companies House register, 1 Oct 2026

Diamant Building Services Ltd. is a 13-year-old private limited company registered in Borehamwood, company number 08400210, one of 225 property development companies in Borehamwood. 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
19 Mar 2027
in 157 days
Last made up to 5 Mar 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 £17K (-44.4%) on the year before, to £21K.
  • Net assets rose in 3 of 8 year-on-year comparisons on record.
  • Current assets of £3,248 against £1,474 owed within a year: 2.2 times cover.
  • 3 employees on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£20K12 February 2017: net assets -£1,522-£1,522201712 February 2018: net assets -£3,294-£3,294201812 February 2019: net assets £4,171£4,171201912 February 2020: net assets £137£137202012 February 2021: net assets -£12K-£12K202112 February 2022: net assets £275£275202212 February 2023: net assets £267£267202331 March 2024: net assets £39K£39K202431 March 2025: net assets £21K£21K2025
Net assets at each year end, 2017 to 2025£0£20K12 February 2017: net assets -£1,522-£1,522'1712 February 2018: net assets -£3,294-£3,294'1812 February 2019: net assets £4,171£4,171'1912 February 2020: net assets £137£137'2012 February 2021: net assets -£12K-£12K'2112 February 2022: net assets £275£275'2212 February 2023: net assets £267£267'2331 March 2024: net assets £39K£39K'2431 March 2025: net assets £21K£21K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£21K£3,248£1,4743
31 Mar 2024£39K£38K£21K3
12 Feb 2023£267£5,140£2,6962
12 Feb 2022£275£13K£10K2
12 Feb 2021-£12K£13K£22K0
12 Feb 2020£137£4,568£20K3
12 Feb 2019£4,171£2,311£2,501£6,2074
12 Feb 2018-£3,294-£9,117£16K3
12 Feb 2017-£1,522-£7,827£18K
12 Feb 2016£3,130£12K

Where Diamant Building Services Ltd. is registered

Diamant Building Services Ltd.'s registered office on a map of the UK

The registered office is in Borehamwood (WD6), in the Hertsmere local authority area, East of England. Show WD6 2QT on a map.

Other trade companies in WD6

What happens if Diamant Building 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 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
08400210
Status
Active
Company type
Private limited company
Incorporated
13 February 2013 (13 years ago)
Registered office
128 Balmoral Drive, Borehamwood, WD6 2QT
Nature of business
Development of building projects (SIC 41100)
Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 March (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 March 2025
Last confirmation statement
5 March 2026

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.

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Frequently asked questions

When are Diamant Building Services Ltd.'s accounts due?

Diamant Building Services 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 Diamant Building Services 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 Diamant Building Services Ltd. still trading?

Diamant Building 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 Diamant Building Services Ltd. do?

Diamant Building Services Ltd. is registered under Development of building projects (SIC 41100); Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999).

How old is Diamant Building Services Ltd.?

Diamant Building Services Ltd. was incorporated on 13 February 2013, 13 years ago.

What is the penalty if Diamant Building 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 Diamant Building 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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