- Companies
- Installers
- Milton Keynes
- Cityarch Limited
Cityarch Limited
- Company number
- 01203284
- Incorporated
- 11 Mar 197551 years trading
- Registered office
- 3 Potters Lane, Kiln Farm, Milton Keynes, Buckinghamshire, MK11 3HE
- Nature of business
- Other construction installation
Cityarch Limited is a 51-year-old private limited company registered in Milton Keynes, company number 01203284, one of 128 installation companies (insulation, lifts, shutters and similar) in Milton Keynes. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
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 £17K (-93.7%) on the year before, to £1,112.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £252K against £158K owed within a year: 1.6 times cover.
- 6 employees on average, down from 7 the year before.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £1,112 | £252K | £158K | 6 | |
| 30 Apr 2025 | £18K | £318K | £152K | 7 | |
| 30 Apr 2024 | £15K | £0 | £226K | £107K | 7 |
| 30 Apr 2023 | £12K | £767 | £195K | £75K | 7 |
| 30 Apr 2022 | £12K | £224K | £52K | 8 | |
| 30 Apr 2021 | £10K | £63K | £271K | £86K | 8 |
| 30 Apr 2020 | £10K | £992 | £115K | 8 | |
| 30 Apr 2019 | £10K | £698 | £198K | £152K | 9 |
| 30 Apr 2018 | £6,896 | £131K | £136K | 8 | |
| 30 Apr 2017 | £47K | £4,641 | £129K | £104K |
Where Cityarch Limited is registered
The registered office is in Milton Keynes (MK11), in the Milton Keynes local authority area, South East. Show MK11 3HE on a map.
Other trade companies in MK11
- J. Weedon Building LtdBuilders
- Mkelec LtdBuilders
- Better Keep Group LtdCleaning companies
- Kensington and Chelsea Real Estate LtdProperty developers
- Nexus Trade UK LtdMotor traders
- Ryb Tyres London LtdMachinery repair and installation
- Auto Vault MK LimitedMotor traders
- Acron Construction Services LimitedInstallers
What happens if Cityarch 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 01203284
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 March 1975 (51 years ago)
- Registered office
- 3 Potters Lane, Kiln Farm, Milton Keynes, Buckinghamshire, MK11 3HE
- 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 2026
- Last confirmation statement
- 25 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.
Similar companies in Milton Keynes
Other active installation companies (insulation, lifts, shutters and similar) registered in Milton Keynes.
- Complete Build Construction Limited2012
- Constantinovlad Ltd2022
- Construction MK Ltd2019
- Contemporary Interiors Ltd2019
- Core Blimey (UK) Limited2008
- Coreground Engineering Ltd2026
- Cotefield Interiors Ltd2005
- Countrywide Insulation Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Milton Keynes · All trades in Milton Keynes · Installers across the UK
Frequently asked questions
When are Cityarch Limited's accounts due?
Cityarch Limited's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is Cityarch Limited's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Cityarch Limited still trading?
Cityarch 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 Cityarch Limited do?
Cityarch Limited is registered under Other construction installation (SIC 43290).
How old is Cityarch Limited?
Cityarch Limited was incorporated on 11 March 1975, 51 years ago.
What is the penalty if Cityarch 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 Cityarch 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.