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- Muntean Building Group Ltd
Company profile · Specialist contractors
Muntean Building Group Ltd
Muntean Building Group Ltd is a 9-year-old private limited company registered in Northampton, company number 10585376, one of 258 specialist construction companies in Northampton. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 January 2026, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Muntean Building Group Ltd 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 £12K (+51.2%) on the year before, to -£11K.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- 1 employee on average, down from 4 the year before.
- Balance sheets on record for 9 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | -£11K | £1,480 | £7,639 | 1 | |
| 31 Jan 2025 | -£23K | £4,865 | 4 | ||
| 31 Jan 2024 | -£18K | £14K | £3,668 | 4 | |
| 31 Jan 2023 | £12K | £5,823 | £53K | £4,248 | 2 |
| 31 Jan 2022 | -£8,200 | £9,423 | £41K | £836 | 3 |
| 31 Jan 2021 | -£2,338 | £51K | £51K | £3,048 | 2 |
| 31 Jan 2020 | £888 | £96 | £3,927 | £3,039 | 2 |
| 31 Jan 2019 | -£2,696 | £582 | £791 | £3,487 | |
| 31 Jan 2018 | £613 | £4,279 | £14K | £13K |
Where Muntean Building Group Ltd is registered
The registered office is in Northampton (NN5), in the West Northamptonshire local authority area, East Midlands. Show NN5 6AN on a map.
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- Avv Carpentry LimitedJoiners and carpenters
What happens if Muntean Building Group 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 10585376
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 January 2017 (9 years ago)
- Registered office
- 21 Westbury Close, Northampton, NN5 6AN
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 25 January 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 Northampton
Other active specialist construction companies registered in Northampton.
- MVG Drylining Ltd2025
- Myriad Construction Solutions Limited2010
- N&G Interiors Ltd2017
- NCR Construction & Management Services Ltd2018
- NCS Interiors Ltd2019
- Nenmoor Ltd2020
- Newton Homes No 66 Limited2016
- Nicolae Danita Brickwork Ltd2023
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Frequently asked questions
When are Muntean Building Group Ltd's accounts due?
Muntean Building Group Ltd's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Muntean Building Group Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Muntean Building Group Ltd still trading?
Muntean Building Group 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 Muntean Building Group Ltd do?
Muntean Building Group Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Muntean Building Group Ltd?
Muntean Building Group Ltd was incorporated on 26 January 2017, 9 years ago.
What is the penalty if Muntean Building Group 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 Muntean Building Group Ltd 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.