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Company profile · Installers

Building Controls Maintenance Limited

Building Controls Maintenance Limited is a 22-year-old private limited company registered in Cardiff, company number 04996449, one of 99 installation companies (insulation, lifts, shutters and similar) in Cardiff. 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.

Active 04996449 Total exemption (full) accounts Cardiff Since 2003

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
19 May 2027
in 219 days
Last made up to 5 May 2026

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Financial snapshot, 2026

From the balance sheet at 31 March 2026, as filed at Companies House.

Net assets
£727K
+65.8% on the year before
Cash at bank
£365K
-12.6% on the year before
Current assets
£1.2M
Employees
13
Average during the year, including directors

Building Controls Maintenance Limited over the years

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 £267K (+58%) on the year before, to £727K.
  • Net assets rose in 6 of 8 year-on-year comparisons on record.
  • Current assets of £1.2M against £499K owed within a year: 2.4 times cover.
  • 13 employees on average, up from 10 the year before.
  • Balance sheets on record for 10 years, 2016 to 2026.

Net assets by year

Net assets at each year end, 2018 to 2026£0£250K£500K30 March 2018: net assets £188K201830 March 2019: net assets £163K201930 March 2020: net assets £201K202030 March 2021: net assets £219K202130 March 2022: net assets £236K202230 March 2023: net assets -£17K202331 March 2024: net assets £235K202431 March 2025: net assets £460K202531 March 2026: net assets £727K£727K2026
Net assets at each year end, 2018 to 2026£0£250K£500K30 March 2018: net assets £188K'1830 March 2019: net assets £163K'1930 March 2020: net assets £201K'2030 March 2021: net assets £219K'2130 March 2022: net assets £236K'2230 March 2023: net assets -£17K'2331 March 2024: net assets £235K'2431 March 2025: net assets £460K'2531 March 2026: net assets £727K£727K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£727K£365K£1.2M£499K13
31 Mar 2025£460K£417K£885K£448K10
31 Mar 2024£235K£347K£670K£445K9
30 Mar 2023-£17K£90K£528K£442K10
30 Mar 2022£236K£253K£416K£182K8
30 Mar 2021£219K£242K£547K£331K9
30 Mar 2020£201K£177K£452K£260K8
30 Mar 2019£163K£124K£253K£102K8
30 Mar 2018£188K£169K£306K£129K7
30 Mar 2016£198K£164K£348K

Public contracts won

Building Controls Maintenance Limited has one public sector contract award on record (2023). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.

BuyerContractValueAwarded
City & County of SwanseaContract For Mechanical Service/Maintenance - Air Conditioning12 May 2023

Where Building Controls Maintenance Limited is registered

Building Controls Maintenance Limited's registered office on a map of the UK

The registered office is in Cardiff (CF14), in the Cardiff local authority area, Wales. Show CF14 6QP on a map.

Other trade companies in CF14

What happens if Building Controls Maintenance Limited 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
04996449
Status
Active
Company type
Private limited company
Incorporated
16 December 2003 (22 years ago)
Registered office
10 Heol Erwin, Cardiff, South Glamorgan, CF14 6QP
Nature of business
Other construction installation (SIC 43290)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2026
Last confirmation statement
5 May 2026
Charges (mortgages)
1 outstanding of 1 registered

Filing notes for installation companies (insulation, lifts, shutters and similar)

Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.

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Frequently asked questions

When are Building Controls Maintenance Limited's accounts due?

Building Controls Maintenance Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.

When is Building Controls Maintenance Limited'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 Building Controls Maintenance Limited still trading?

Building Controls Maintenance Limited 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 Building Controls Maintenance Limited do?

Building Controls Maintenance Limited is registered under Other construction installation (SIC 43290).

How old is Building Controls Maintenance Limited?

Building Controls Maintenance Limited was incorporated on 16 December 2003, 22 years ago.

Has Building Controls Maintenance Limited won public sector contracts?

Yes. Building Controls Maintenance Limited has one contract award from public bodies on Contracts Finder and Find a Tender, most recently from City & County of Swansea.

What is the penalty if Building Controls Maintenance Limited 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 Building Controls Maintenance Limited 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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