Our Home — Hampstead Garden Suburb NW11
Design & Build in Hampstead Garden Suburb

Arts & Crafts, Utopian Vision, and the Trust's Watchful Eye

Hampstead Garden Suburb is London's most architecturally regulated neighbourhood — a planned utopia of Arts & Crafts homes designed by Edwin Lutyens and Raymond Unwin, where the Hampstead Garden Suburb Trust controls every external alteration through its Scheme of Management. From our Finchley Road studio, our architects specialise in the unique dual-consent process that makes renovating in NW11 unlike anywhere else in London.

Our Design Studio 250 Finchley Road NW11
Planning Authority London Borough of Barnet & HGS Trust
Conservation Areas Hampstead Garden Suburb
Design Studio & Office — Unit 3, Palace Court, 250 Finchley Road NW11 6DN
Mon–Fri 9am–8pm · Sat 9am–6pm · Sun By appointment
Material Selection — Tiles, flooring, paint and finishes on display
The Neighbourhood

Lutyens, Unwin & Henrietta Barnett's Utopian Vision

Hampstead Garden Suburb was founded in 1907 by Dame Henrietta Barnett as a model community where all social classes would live together in beautifully designed homes surrounded by nature. She commissioned the greatest architects of the age — Edwin Lutyens designed the Central Square and its two churches, while Raymond Unwin and Barry Parker laid out the winding tree-lined streets, generous gardens, and hedged boundaries that define the Suburb to this day.

The architecture is remarkably cohesive and distinctive. Red-brick and roughcast-rendered facades, steeply pitched clay-tile roofs, tall decorative chimneys, leaded-light casement windows, and carefully proportioned doorways create a visual harmony unlike any other London neighbourhood. Hedges — not fences or walls — form the standard boundary treatment, maintaining the open, garden-city character that Unwin envisioned. The masterplan even specifies that no two adjacent houses should be designed in the same style.

For homeowners in NW11, renovating is uniquely complex. The Hampstead Garden Suburb Trust operates a Scheme of Management — a legally binding framework under the Leasehold Reform Act — that controls virtually every aspect of a property's external appearance. You cannot change a window, alter a roof, replace a front door, remove a chimney, or even repaint your facade without Trust consent. This is separate from and additional to Barnet Council planning permission. Our architects navigate both consent processes daily and understand exactly what the Trust will — and won't — approve.

That negotiation is what we do. Our design studio is on Finchley Road. Our architects have worked with Camden's planning team on hundreds of applications. We understand the constraints because we live within them.

Hampstead Garden Suburb at a Glance

  • PostcodeNW11
  • Planning AuthorityLondon Borough of Barnet & HGS Trust
  • Conservation AreasHampstead Garden Suburb
  • Predominant PropertyArts & Crafts villas (Lutyens, Unwin, Parker)
  • Listed BuildingsConservation area-wide protection + Trust Scheme
  • Nearest TubeGolders Green (Northern), East Finchley (Northern)
  • Average House Price£1,800,000+
  • Our Design Studio250 Finchley Road NW11
15+
Years Experience
RIBA
Chartered Architects
RICS
Surveying Oversight
£10M
Insurance Cover
Fixed
Price Contracts
NW11
Based

Renovation Services in Hampstead Garden Suburb

From Arts & Crafts restoration to Trust-approved rear extensions, every service shaped by our deep knowledge of the Suburb's unique dual-consent process and Barnet's planning requirements.

Rear Extensions (Trust-Approved)

Rear extensions designed to Trust specifications. No front-facing alterations permitted — all extensions must be invisible from the street.

Window & Door Replacement

Like-for-like replacement of leaded-light casement windows and period front doors. Trust consent required for all window changes, even internal glazing upgrades.

Bespoke Kitchen Design

Contemporary kitchens designed for Arts & Crafts proportions. Island layouts, integrated appliances, and finishes that complement period interiors.

Roof & Chimney Conservation

Clay-tile roof repairs, decorative chimney restoration, and lead valley relining. Trust consent required — we manage the entire application process.

Architecture & Design

RIBA architects. Conservation area applications, 3D visualisation, construction drawings.

Structural Engineering

Chartered engineers. Internal wall removal, steel beam installation, and structural assessments for NW11's Arts & Crafts properties.

Interior Design

Period-appropriate schemes. Material selection, space planning, furniture specification.

Planning & Permissions

Barnet planning and HGS Trust expertise. Dual-consent applications, Scheme of Management compliance, and conservation area guidance.

Listed Building Works

Grade I, II* and II listed property expertise. Listed Building Consent managed in-house.

Victorian Renovation

Specialist renovation of Lutyens villas, Unwin cottages, and Parker-designed Arts & Crafts homes.

Party Wall Services

Full Party Wall Act management through our RICS chartered surveying practice.

Building Surveys

RICS condition surveys via Hampstead Chartered Surveyors & Building Consultancy.

View All Services in This Area →
Planning in NW11

What Can You Do to Your Property in Hampstead Garden Suburb?

Hampstead Garden Suburb falls under the London Borough of Barnet & HGS Trust. The Hampstead Garden Suburb Conservation Area is one of the largest in London and covers virtually the entire village, The Trust's Scheme of Management adds a uniquely stringent layer of control above standard conservation rules.

The Trust's Scheme of Management controls virtually every external aspect of your property: windows, doors, roofs, chimneys, render, paint colours, boundary treatments (hedges only — no fences or walls), satellite dishes, solar panels, and even the colour of your front door. Internal works do not require Trust consent, but any structural changes still need Barnet planning permission. Our architects prepare applications for both bodies simultaneously to minimise delays.

View HGS Trust website →
🏛

Conservation Area

The entire Suburb is a conservation area. The HGS Trust Scheme of Management adds a uniquely stringent layer of design control above standard conservation rules.

📋

HGS Trust Consent

The Trust must approve all external alterations: windows, doors, roofs, paint colours, boundary treatments, and extensions. Separate from and additional to Barnet planning permission.

🌳

Hedges, Not Fences

The Trust requires hedges — not fences or walls — as boundary treatments. This is the defining visual characteristic of the Suburb and is strictly enforced.

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Pre-Application Advice

The HGS Trust offers pre-application guidance. We strongly recommend engaging with the Trust before commencing design work on any external alteration.

Renovation Costs in Hampstead Garden Suburb NW11

Realistic cost ranges for the most common project types in Hampstead Garden Suburb. Heritage and conservation requirements typically add 10–20% to standard London pricing.

Arts & Crafts Restoration

£800 – £1,500
per square metre
Heritage restoration of original features including leaded-light windows, clay tiles, and decorative chimneys to Trust standards

Full Refurbishment

£600 – £1,000
per square metre
Complete internal modernisation behind Trust-compliant facades. Structural work, M&E renewal, and premium finishes

Rear Extension

£2,800 – £4,500
per square metre
Rear extension designed to Trust specifications. Must be invisible from the street. Dual-consent fees included

Window Replacement

£2,000 – £5,000
per window
Like-for-like leaded-light casement window replacement to Trust standards. Includes Trust and Barnet consent

Architecture, History and Stories from NW11

The utopian vision, Arts & Crafts architecture, and the Trust that has preserved Henrietta Barnett's garden suburb for over a century.

Selected Projects

Selected projects from across London.

Client Reviews

I would like to thank Ross and his team for their consistent commitment to quality and their unerring reliability. They delivered our property to specification and on time, proving to be an extremely effective, experienced, and proactive contractor.

JW
James WardInvestment Director, Belgravia

We have worked with Ross and his company many times. They are extremely professional and hardworking individuals who can work under any circumstances. There was no variation to the works.

CR
Cirus RehmanFinance Director, Grosvenor Street, Mayfair

A company where you get value for your money while at the same time achieving excellent quality. Their work is carried out on time and within budget. We've worked with them on multiple projects and they never disappoint.

BI
Brian InghamDirector, Green Evolution Limited
RICS
Regulated
Hampstead Renovations operates alongside Hampstead Chartered Surveyors & Building Consultancy — an RICS Regulated firm providing chartered building surveying, fire safety and project advisory services, under shared directorship. Both practices are based in Hampstead Garden Suburb NW11, giving our clients local professional oversight from survey through to handover.
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Renovating in Hampstead Garden Suburb — The Trust, Barnet, and What You Can Change

What is the HGS Trust Scheme of Management?

The Hampstead Garden Suburb Trust operates a legally binding Scheme of Management under the Leasehold Reform Act 1967. This gives the Trust control over all external alterations to properties in the Suburb — including windows, doors, roofs, chimneys, paint colours, boundary treatments, and extensions. Trust consent is separate from and additional to Barnet Council planning permission. View the HGS Trust website →

Can I change my windows in Hampstead Garden Suburb?

Only with Trust consent, and only on a like-for-like basis. The Trust requires replacement windows to match the original design, materials, and glazing pattern exactly. Leaded-light casement windows must be replaced with matching profiles. uPVC is not permitted. Our architects prepare detailed window schedules and elevations to support Trust applications.

Can I build an extension in Hampstead Garden Suburb?

Rear extensions only — no front or side extensions are permitted. The extension must be invisible from the street and must not project above the existing eaves line. The Trust and Barnet must both grant consent. Our architects have a strong track record of Trust-approved rear extensions that maximise space while complying with all restrictions. All projects are delivered on fixed-price contracts.

Why do I need hedges instead of fences or walls?

The Trust requires hedges as boundary treatments throughout the Suburb, maintaining the open, garden-city character that Raymond Unwin designed. Fences and walls are not permitted. The Trust specifies acceptable hedge species and minimum heights. Our team can advise on compliant boundary plantings and coordinate Trust applications for any boundary changes.

Do I need Trust consent for internal works?

No — the Trust's Scheme of Management only controls external alterations. Internal works such as kitchen renovations, bathroom upgrades, and structural changes (wall removal, steel beams) do not require Trust consent. However, structural works still require Barnet Council approval, and any changes visible from outside (e.g., internal glazing that alters window appearance) may trigger Trust involvement.

Can I remove a chimney or install solar panels?

Chimneys are a defining architectural feature of the Suburb and the Trust almost never permits their removal. Solar panels are subject to Trust consent and are generally only approved if invisible from the street (e.g., on rear roof slopes). Our architects can advise on what is achievable within Trust guidelines.

Start Your Hampstead Garden Suburb Renovation

Our initial consultation is free and carries no obligation. Visit our design studio on Finchley Road to explore material selections, meet our team, and discuss your project in person.

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