- Companies
- Builders
- Newcastle upon Tyne
- Keystone Developments (Ne) Limited
Keystone Developments (Ne) Limited
- Company number
- 11209901
- Incorporated
- 16 Feb 20188 years trading
- Registered office
- Tig Accountants Metropolitan House, Longrigg Road, Swalwell, Newcastle upon Tyne, Tyne And Wear, NE16 3AS
- Nature of business
- Construction of domestic buildings; Other letting and operating of own or leased real estate
Keystone Developments (Ne) Limited is a 8-year-old private limited company registered in Newcastle upon Tyne, company number 11209901, one of 238 building contractors in Newcastle upon Tyne. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 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 up £11K (+32.1%) on the year before, to £44K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £102K against £286K owed within a year: 0.4 times cover.
- 1 employee on average, up from -1 the year before.
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £44K | £102K | £286K | 1 | |
| 28 Feb 2025 | £34K | £99K | £293K | -1 | |
| 29 Feb 2024 | £16K | £25K | £237K | -1 | |
| 28 Feb 2023 | £5,274 | £105K | £232K | -1 | |
| 28 Feb 2022 | £2,640 | £118K | £141K | £215K | 0 |
| 28 Feb 2021 | £3,140 | £383 | £74K | 0 | |
| 29 Feb 2020 | -£1,237 | £456 | £78K | 0 | |
| 28 Feb 2019 | -£1,074 | £469 | £78K |
Where Keystone Developments (Ne) Limited is registered
The registered office is in Newcastle upon Tyne (NE16), in the Gateshead local authority area, North East. Show NE16 3AS on a map.
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What happens if Keystone Developments (Ne) 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 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 11209901
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 February 2018 (8 years ago)
- Registered office
- Tig Accountants Metropolitan House, Longrigg Road, Swalwell, Newcastle upon Tyne, Tyne And Wear, NE16 3AS
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 5 May 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Newcastle upon Tyne
Other active building contractors registered in Newcastle upon Tyne.
- KQ Construction Solutions Ltd2026
- Kyage Construction Limited2012
- L C S J Ltd2007
- Laidler and Sons Bricklaying Services Ltd2024
- Lawson Construction Ltd2019
- Legacy Construct Ltd2026
- Linnel Homes Limited2021
- LJS Joinery North East Ltd2024
All building contractors in Newcastle upon Tyne · All trades in Newcastle upon Tyne · Builders across the UK
Frequently asked questions
When are Keystone Developments (Ne) Limited's accounts due?
Keystone Developments (Ne) Limited's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.
When is Keystone Developments (Ne) Limited's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Keystone Developments (Ne) Limited still trading?
Keystone Developments (Ne) 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 Keystone Developments (Ne) Limited do?
Keystone Developments (Ne) Limited is registered under Construction of domestic buildings (SIC 41202); Other letting and operating of own or leased real estate (SIC 68209).
How old is Keystone Developments (Ne) Limited?
Keystone Developments (Ne) Limited was incorporated on 16 February 2018, 8 years ago.
What is the penalty if Keystone Developments (Ne) 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 Keystone Developments (Ne) 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.