- Companies
- Specialist contractors
- Uxbridge
- M Aar Building Limited
M Aar Building Limited
- Company number
- 11357283
- Incorporated
- 11 May 20188 years trading
- Registered office
- 39 Floriston Avenue, Uxbridge, UB10 9EB
- Nature of business
- Other specialised construction activities n.e.c.
M Aar Building Limited is a 8-year-old private limited company registered in Uxbridge, company number 11357283, one of 111 specialist construction companies in Uxbridge. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 £20K (-16.5%) on the year before, to £101K.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £263K against £101K owed within a year: 2.6 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £101K | £263K | £101K | 2 | |
| 31 May 2024 | £121K | £273K | £123K | 2 | |
| 31 May 2023 | £154K | £404K | £116K | 2 | |
| 31 May 2022 | £85K | £200K | £81K | 2 | |
| 31 May 2021 | £2,380 | £139K | £91K | 0 | |
| 31 May 2020 | £950 | £49K | £50K | 2 | |
| 31 May 2019 | £20K | £43K | £24K |
Where M Aar Building Limited is registered
The registered office is in Uxbridge (UB10), in the Hillingdon local authority area, London. Show UB10 9EB on a map.
Other trade companies in UB10
- Buildmag LtdSpecialist contractors
- The Notch Homes LimitedJoiners and carpenters
- Platinum Grade Building LimitedFinishing trades
- Reno Move LtdPainters and decorators
- Giant Trade LimitedMotor traders
- Tiarni Grace Aviation Services LtdMachinery repair and installation
- LKL Vehicle Sales LtdMotor traders
- P Builds LtdPlumbers and heating engineers
What happens if M Aar Building 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2028 | another 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
- 11357283
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 May 2018 (8 years ago)
- Registered office
- 39 Floriston Avenue, Uxbridge, UB10 9EB
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 10 May 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 Uxbridge
Other active specialist construction companies registered in Uxbridge.
- M Flynn Carpentry and Building Ltd2026
- M Walsh Plant Hire Limited1987
- Madison Property Maintenance Ltd2023
- Makr Projects Ltd2023
- Mema Limited2007
- Metrane Services Ltd.2015
- Metropolis Construction Limited2020
- Morgan Interiors Ltd2016
All specialist construction companies in Uxbridge · All trades in Uxbridge · Specialist contractors across the UK
Frequently asked questions
When are M Aar Building Limited's accounts due?
M Aar Building Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is M Aar Building Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is M Aar Building Limited still trading?
M Aar Building 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 M Aar Building Limited do?
M Aar Building Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is M Aar Building Limited?
M Aar Building Limited was incorporated on 11 May 2018, 8 years ago.
What is the penalty if M Aar Building 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 M Aar Building Limited on Companies House for filed documents, officers and the full history.
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.