- Companies
- Installers
- Walthamstow
- Construction Muzzy Limited
Construction Muzzy Limited
- Company number
- 05652265
- Incorporated
- 13 Dec 200520 years trading
- Registered office
- 161 Forest Road, Walthamstow, London, E17 6HE
- Nature of business
- Other construction installation; Other building completion and finishing; Other specialised construction activities n.e.c.
Construction Muzzy Limited is a 20-year-old private limited company registered in Walthamstow, company number 05652265, one of 7 installation companies (insulation, lifts, shutters and similar) in Walthamstow. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 up £2M (+126.7%) on the year before, to £420K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £635K against £4.1M owed within a year: 0.2 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £420K | £635K | £4.1M | 4 | |
| 31 Dec 2024 | -£1.6M | £68K | £7.4M | £13M | 4 |
| 31 Dec 2023 | £1.9M | £4M | £9.8M | 3 | |
| 31 Dec 2022 | £2.7M | £15K | £4M | 4 | |
| 31 Dec 2021 | £79K | £18K | £1.2M | 4 | |
| 31 Dec 2020 | £389K | £191K | £1.7M | 4 | |
| 31 Dec 2019 | £440K | £80K | £1.2M | 4 | |
| 31 Dec 2018 | £666K | £119K | £610K | £753K | |
| 31 Dec 2017 | £457K | £747 | £369K | £400K | |
| 31 Dec 2016 | £117K | £54K | £384K | £138K |
Where Construction Muzzy Limited is registered
The registered office is in Walthamstow (E17), in the Waltham Forest local authority area, London. Show E17 6HE on a map.
Other trade companies in E17
- MGB Auto Trading LtdMotor traders
- Spotless Behaviour LtdCleaning companies
- Addison & Vale Construction LtdBuilders
- Karina Business LtdInstallers
- Hazzi Automotive LtdMechanics and garages
- Zlatev Construction Service LimitedFinishing trades
- Zzzguard LtdBuilders
- Ok Estates & Developments LtdBuilders
Shared registered office
70 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Construction Muzzy 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 05652265
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 December 2005 (20 years ago)
- Registered office
- 161 Forest Road, Walthamstow, London, E17 6HE
- Nature of business
- Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 6 February 2026
- Charges (mortgages)
- 2 outstanding of 5 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.
Similar companies in Walthamstow
Other active installation companies (insulation, lifts, shutters and similar) registered in Walthamstow.
- JDH Builders Ltd2017
- Knot Timber Ltd2007
- Locksmith 24 Hour Ltd2025
- Nha Enterprise Limited2020
- Nomel Fire Solutions Ltd2025
- R Brown Service’S Ltd2022
All installation companies (insulation, lifts, shutters and similar) in Walthamstow · All trades in Walthamstow · Installers across the UK
Frequently asked questions
When are Construction Muzzy Limited's accounts due?
Construction Muzzy Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Construction Muzzy Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Construction Muzzy Limited still trading?
Construction Muzzy 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 Construction Muzzy Limited do?
Construction Muzzy Limited is registered under Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999).
How old is Construction Muzzy Limited?
Construction Muzzy Limited was incorporated on 13 December 2005, 20 years ago.
What is the penalty if Construction Muzzy 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 Construction Muzzy 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.