Hampstead Architecture and Planning

Heritage & Conservation

Period Property Refurbishment in London

London’s Georgian, Victorian, Edwardian and interwar homes reward sensitive, knowledgeable design. We upgrade period properties for modern life — better layouts, light and performance — while respecting the original fabric, proportions and character that give them value.

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Practice leadership

Eyal Moran, Director and Lead Architect, is an ARB-registered architect, leading design judgement, planning strategy and technical coordination across client projects.

Verify on the Architects Register
  • Clear fixed fees from £395
  • Free, no-obligation consultation
  • Licence to Alter drawings
  • Extensions & loft conversions
  • Planning applications
  • ARB-Registered Architects

The short answer

How do you refurbish a period property without damaging it?

Work with the building's grain, not against it. We upgrade layout, light and performance while keeping the proportions, joinery and features that give a period home its value — repairing original fabric before replacing it, using breathable, moisture-open materials on solid walls so the structure keeps managing moisture, and handling any planning or listed building consents the works require.

Working with the building, not over it

Period homes have a logic of their own: proportions, circulation, joinery and fabric that have lasted because they work. The best period projects upgrade comfort and function without erasing that character — opening up where it makes sense, restoring where it has been lost, and improving services and performance with care. We know where period buildings reward intervention and where they punish it.

Upgrading sensitively

Tired structure, damp, dated services and earlier poor alterations are common in period homes. We design with these realities in mind, coordinate the necessary structural, services and surveying input, and balance sensitive upgrades — insulation, ventilation, heating — against the need to keep solid-wall buildings breathing. Where the property is listed or in a conservation area, we handle the consents required.

How a period building actually works

Georgian, Victorian and Edwardian houses are built to a different physics from modern homes. Solid brick or stone walls, lime mortar and plaster, and suspended timber floors are designed to absorb and release moisture — they breathe. Wrapping that fabric in modern impermeable materials, such as cement render, gypsum plaster or plastic paints, traps moisture against the structure and causes the very damp and decay it was meant to prevent. We design with breathable, vapour-open materials and details, so improvements help the building rather than slowly harming it.

Repair before replacement

A great deal of original fabric that owners are told to replace can in fact be repaired, and usually should be. Sash windows can be spliced, re-corded, draught-proofed and, where appropriate, fitted with slim secondary or double glazing rather than ripped out; original doors, floors and plasterwork reward careful repair over wholesale renewal. Repair keeps the character that makes a period home valuable, is frequently more economical over time, and is what conservation officers expect. We identify what can be saved and specify its repair properly.

Damp — the routinely misdiagnosed problem

Damp in period houses is one of the most over-treated problems in the housing stock. Genuine rising damp is comparatively rare; most of what is diagnosed as such is in fact penetrating damp, condensation, or moisture trapped by earlier inappropriate work like cement render or an injected chemical course. Treating the symptom with tanking or injection often makes matters worse. We look for the actual cause — failed pointing, blocked airbricks, a bridged cavity, poor ventilation — and remove it, which is both cheaper and kinder to the building than aggressive intervention.

What we produce

Typical deliverables

  • Sensitive design and reconfiguration
  • Repair and restoration coordination
  • Performance and services upgrade strategy
  • Planning and listed building submissions where required
  • Building regulations and technical drawings

London-specific

What to keep in mind

  • Solid-wall homes need breathable, moisture-aware detailing
  • Conservation and listing constrain external and internal change
  • Hidden structural, damp and services issues are common
  • Original joinery and features add value worth retaining

How the process works

From first call to completion

  1. Survey & assessment

    We understand the building, its fabric and condition.

  2. Sensitive design

    We upgrade layout and performance with care.

  3. Consents

    We secure planning and listed building consent where needed.

  4. Technical & build

    We prepare drawings and support construction.

Considering this for your property?

Tell us the address and a short description of the work. We will advise which drawings, approvals and consultant inputs your project is likely to need.

Avoiding pitfalls

Common risks & mistakes

  • Stripping out character that gives the home its value
  • Using non-breathable build-ups on solid walls
  • Ignoring consent requirements on listed interiors
  • Underestimating hidden condition issues

Frequently asked questions

Can I modernise a period home without losing its character?

Yes. The best period projects upgrade comfort and function while retaining and restoring the proportions, joinery and features that give the home its value. We design to that balance.

Do period homes have hidden problems?

Often. Tired structure, damp, dated services and earlier poor alterations are common. We design with these in mind and coordinate the relevant consultants.

Can I insulate a solid-wall period home?

Yes, but with care. Solid walls need breathable, moisture-aware detailing, and conservation or listing may restrict some measures. We balance performance with the building’s character.

Will I need consent for works to a period home?

It depends on whether it is listed or in a conservation area, and on the works. We confirm the position and handle any consents required.

How much does a period property refurbishment cost?

Architectural fees depend on the property, its condition and the scope of works, so we quote a fixed fee before you commit rather than a vague percentage. Many owners begin with a focused route review from £395, credited against your fee if you proceed. See our /packages/ page for how the fixed-fee stages are structured.

How long does a period property refurbishment take?

Design and consents we can programme; the construction period belongs to the contractor, and we will not put a figure on it before a builder has priced the drawings. Our half is governed by what the survey finds. Opening up a solid-wall house tends to change the brief — a damp wall traced back to failed pointing, a blocked airbrick or earlier cement render is a different job from the tanking somebody has already quoted for, and diagnosing the cause properly takes time that the later stages then do not lose. After that the sequence is design, then any planning or listed building consent the property's status requires, then building control, which on a refurbishment of this scope means a full plans submission rather than a building notice. Survey access is usually the first constraint on the date.

Discuss your project

Tell us about the property, location and the work you are considering. We will advise which architectural drawings, approvals or consultant inputs are likely to be needed.

Areas

Period Property Refurbishment across London

Follow the local area pages for property types, planning authority context and conservation considerations in each neighbourhood we serve.

Browse all 55 additional London areas

Published local service pages appear above. Where a service-specific page is not yet published, these links lead to the public neighbourhood hub rather than an unpublished or generic local-service page.

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