Queensmere is a major town-centre redevelopment site close to Slough station and the High Street. A formal outline decision notice issued on 18 August 2025 permits the principle and maximum parameters of a residential-led mixed-use scheme, including up to 1,600 homes. It does not approve every building or establish a delivery programme.
The first detailed package, Phase A under reference P/19689/002, covers blocks A, H and I together with commercial space, landscaping, Town Square and Station Walk. Slough's Planning Committee resolved on 24 June 2026 to delegate approval subject to conditions. However, the council's live application record still showed a registered application, no decision, no decision date and no conditions when checked on 11 September 2026. The safest current status is therefore enabling and detailed planning, not permanent construction.
Project facts
| Topic | Current public position |
|---|---|
| Site | Queensmere Shopping Centre and associated land within the P/19689/000 red line in central Slough |
| Site area | 4.82 hectares on the outline application form |
| Current promoter | Berkeley, following the 2025 acquisition of Queensmere and the neighbouring Observatory centre |
| Planning references | P/19689/000 outline permission; P/19689/002 Phase A reserved matters |
| Outline scale | Up to 1,600 homes plus commercial, community, leisure and public-realm uses within flexible maximum parameters |
| Phase A | Blocks A, H and I, buildings of four to 16 storeys, commercial floorspace, Town Square and Station Walk |
| Phase A housing figure | Published project material is inconsistent: EPR and the June committee-stage material describe 359 homes, while the current consultation page says 346 |
| Current phase | Outline approved; Phase A awaiting a verified formal decision notice |
| Delivery evidence | Centre closure and preparatory activity are evidenced; permanent redevelopment construction is not verified |
| Delivery window | No verified main-construction or occupation programme |
| Latest verified review | Council portal and documents checked 11 September 2026 |
The outline figures are a planning envelope, not a guarantee that every component will be funded or built. Phase A figures should be checked again against any future signed decision notice and approved schedule.
What the outline permission allows
The outline application form defines a 4.82-hectare site including Queensmere Shopping Centre, its multi-storey car park, Wellington House, Duke House and specified High Street properties. The permission allows residential use, flexible commercial and community uses, leisure uses, parking, access, landscaping, infrastructure and highway works.
All matters were reserved at outline stage. Exact appearance, layout, scale within the approved parameters, landscaping and access therefore depend on detailed approvals. The maximum of 1,600 homes is a ceiling rather than a committed completion total.
Berkeley's current town-centre vision uses place names including the Heritage Quarter, Station Walk, Herschel Square and Church Mews. These explain the promoter's direction, but they remain proposals until captured in formal approvals and delivered on site.
Phase A and the current planning position
Phase A was registered in December 2025 and later amended. The council record describes blocks A, H and I, residential and commercial floorspace in buildings between four and 16 storeys, landscaped amenity space, Town Square, Station Walk, access, parking and related works.
The 24 June 2026 Planning Committee record records a resolution to delegate approval to the Planning Manager subject to conditions. That is a significant milestone, but it is not the same as a signed decision notice.
The live portal added a draft supplemental Section 106 agreement on 28 August 2026, after the committee meeting. Yet its summary still showed no decision, decision date or conditions on 11 September.
There is also a published discrepancy in the home count. EPR Architects describes 359 homes in the Heritage Quarter, while the current Slough town-centre consultation page says 346. Until the formal notice and approved schedule are available, the report records 359 as the committee-stage submission figure and flags the discrepancy rather than presenting either number as finally approved.

Illustrative landscaped route within the Slough Central proposals. The design and delivery remain subject to the planning process. Image source: Slough town-centre vision.
Site closure and delivery evidence
Public trading at Queensmere ended in January 2026. The council's town-centre update and contemporary closure reporting support a picture of hoardings and preparation. Closure, surveys, hoardings and demolition preliminaries are enabling activity; they do not by themselves prove that permanent buildings have started.
No current authoritative source reviewed identifies a signed main works contract, committed construction finance, verified permanent construction start, completed building or occupied home. The delivery window should remain open until a dated promoter, contractor or council record supplies that evidence.
The neighbouring Observatory Shopping Centre must remain separate. Berkeley acquired both sites, but the up-to-1,600-home permission analysed here applies to the Queensmere red line. Portfolio or combined-site figures cannot be assigned to Queensmere alone, and Observatory's continued operation does not prove progress on the Queensmere scheme.
Public realm, access and heritage
The proposal is intended to replace an inward-looking shopping-centre block with streets, homes, commercial premises and public spaces. Station Walk is presented as a greener connection between the station and High Street, while Herschel Square is promoted as a new social space. These potential benefits depend on detailed approval, phasing, funding, construction and long-term management.

Illustrative view of the proposed Herschel Square public space. It does not show a completed or occupied scheme. Image source: Slough town-centre vision.
The site is close to Slough's Elizabeth line station, supporting a car-light planning approach. Practical accessibility will still depend on delivered walking routes, entrances, cycle storage, servicing and accessible parking.
The Grade II-listed Church of Our Lady Immaculate and St Ethelbert is an important heritage receptor beside the proposed Heritage Quarter. Detailed design must address its setting, massing, materials and views; the church should not be described as part of the application site without title evidence.
Land assembly, obligations and delivery control
Berkeley announced its agreement to acquire Queensmere and Observatory in April 2025, and later council material records the acquisition in June. A November 2025 Cabinet report supported potential compulsory-purchase powers in principle if interests could not be acquired by agreement. This did not itself make or confirm a compulsory purchase order.
The draft supplemental Section 106 document received in August 2026 indicates continuing work on the legal framework. Affordable housing, infrastructure payments, public-realm triggers and other obligations should be taken only from the final executed agreement and any formal decision notice. Historic outline-stage descriptions are not a safe substitute for the current Phase A schedule.
Housing and property context
If delivered, the project would introduce substantial new housing and public realm into central Slough. It could change the local mix of homes and amenities, while closure and multi-phase works may create disruption before benefits are realised. The timing, tenure, unit mix, service charges, sales or rental strategy and occupation dates are not yet verified.
The Office for National Statistics reported an average Slough house price of £352,000 in June 2026, provisionally 2.2% higher than a year earlier, and an average private rent of £1,569 in July 2026, 2.4% higher year on year. These are borough-wide indicators based on limited local samples; they do not value future Queensmere homes or predict investment performance.
Any local property effect remains qualitative. Actual outcomes will depend on planning, construction pace, tenure, management, competing supply and occupation. No prediction of prices, rents, returns or completion timing is made here.
Detailed project history
| Date | Milestone | Evidence-based interpretation |
|---|---|---|
| 16 December 2008 | Slough Core Strategy adopted | Strategic support for comprehensively planned town-centre intensification; not project consent |
| 30 November 2010 | Site Allocations document adopted | Mixed-use regeneration context for Queensmere and Observatory |
| 2015 | Earlier joint-centre concept considered | Historic 675-home concept; superseded by the current outline scheme |
| 27–28 October 2021 | P/19689/000 submitted and received | New comprehensive outline proposal for the Queensmere red line |
| 29 September 2022 | Committee resolved to grant outline permission | Subject to legal agreement and conditions; not yet the formal permission |
| April–June 2025 | Berkeley acquisition announced and later recorded | Ownership and promoter change; Observatory remains a separate planning proposition |
| 18 August 2025 | Outline decision notice issued | Formal outline permission established |
| 17 November 2025 | Cabinet supported possible compulsory-purchase powers | In-principle land-assembly support, not a made or confirmed order |
| 2 December 2025 | Phase A registered | Reserved-matters application for blocks A, H and I |
| Around 17 January 2026 | Queensmere closed to public trading | Enabling milestone, separate from permanent construction |
| 30 April 2026 | Revised Phase A material submitted | Amended description, plans and supporting documents |
| 24 June 2026 | Committee resolved to delegate Phase A approval | Subject to conditions and a formal officer decision |
| 28 August 2026 | Draft supplemental Section 106 document received | Legal work continued; the portal still did not show a formal decision |
| 11 September 2026 | Council portal rechecked | Registered application; no decision, decision date or conditions displayed |
What to watch next
- A signed Phase A decision notice, approved drawing list and definitive housing schedule.
- The executed Section 106 agreement and any affordable-housing, infrastructure or public-realm obligations.
- Discharge of pre-commencement conditions and evidence of a lawful material start.
- A named demolition or main contractor, finance and a dated construction programme.
- Later reserved-matters applications and any change to the Queensmere–Observatory relationship.
- Opening, adoption and long-term management arrangements for Town Square, Station Walk and other public spaces.
