- Companies
- Installers
- Bromley
- N&M Insulation Ltd
N&M Insulation Ltd
- Company number
- 15682626
- Incorporated
- 26 Apr 20242 years trading
- Registered office
- 34A Station Approach, Hayes, Bromley, BR2 7EJ
- Nature of business
- Other construction installation
N&M Insulation Ltd is a 2-year-old private limited company registered in Bromley, company number 15682626, one of 44 installation companies (insulation, lifts, shutters and similar) in Bromley. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for N&M Insulation LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2025
From the balance sheet at 30 April 2025, as filed at Companies House.
Where N&M Insulation Ltd is registered
The registered office is in Bromley (BR2), in the Bromley local authority area, London. Show BR2 7EJ on a map.
Other trade companies in BR2
- Paton Floors LtdBuilders
- Mechanically Connected LtdMotor traders
- Quality Traffic Management LtdMachinery repair and installation
- RJC Surveying LimitedProperty developers
- Ac Electrical E LtdElectricians
- Horizon One Building Services LtdBuilders
- Bermont Homes LimitedProperty developers
- Castle Lion Property Services LtdFacilities management
What happens if N&M Insulation 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 15682626
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 April 2024 (2 years ago)
- Registered office
- 34A Station Approach, Hayes, Bromley, BR2 7EJ
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 13 April 2026
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.
Similar companies in Bromley
Other active installation companies (insulation, lifts, shutters and similar) registered in Bromley.
- Nsi Services Ltd2025
- Oakfarm Energy Ltd2026
- On Site Skills Ltd2018
- Palczynski Ltd2018
- Phillips Fires Ltd2021
- Pickering Home Improvements Ltd2022
- Pioneer Energy Solutions Limited2023
- Premier Property Refurbishments Limited2018
All installation companies (insulation, lifts, shutters and similar) in Bromley · All trades in Bromley · Installers across the UK
Frequently asked questions
When are N&M Insulation Ltd's accounts due?
N&M Insulation Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is N&M Insulation Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is N&M Insulation Ltd still trading?
N&M Insulation 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 N&M Insulation Ltd do?
N&M Insulation Ltd is registered under Other construction installation (SIC 43290).
How old is N&M Insulation Ltd?
N&M Insulation Ltd was incorporated on 26 April 2024, 2 years ago.
What is the penalty if N&M Insulation 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 N&M Insulation 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.