Permitted development with a Lawful Development Certificate
£645 to £995
Architectural drawings for period and listed homes in London
Georgian terraces, Victorian villas, mews houses and listed townhouses need drawings that satisfy the council and respect the building. MCIAT chartered architectural technologists prepare them, with an independent check, fixed fees from £200 and free redraws until approval.
- MCIAT chartered technologists
- £2m professional indemnity
- LABC Partnered
- Fixed fees VAT included
01The practice
Drawings for London homes with a history
Property Architecture is a London practice of MCIAT chartered architectural technologists. We prepare planning, listed building consent and building regulations drawings for Georgian, Regency and Victorian houses, stucco terraces, mews houses and mansion flats in all 33 London boroughs, including Kensington and Chelsea, Westminster, Camden, Hammersmith and Fulham and Richmond upon Thames.
We act as your technical adviser on the drawings. Before we quote, we look up the conservation area, listing and Article 4 position of your address. Afterwards your builder, structural engineer and party wall surveyor can work from the same drawings, in the file formats they use.
Our fees are fixed and include VAT: a measured survey starts at £200 and householder planning drawings at £745. A second technologist checks every set before it goes to the council.
Tell us about your house- London boroughs we draw in
- 33
- Councils just outside London
- 17
- Where fixed fees start, VAT included
- £200
- About, from survey to drawings
- 7 days
02Contents
What a period house needs drawn
Six groups of work, from the first survey to the notices your neighbours receive. Each group shows its starting fee.
iPlanning and heritage consentfrom £645
Permitted development with a Lawful Development Certificate starts at £645. Householder planning drawings start at £745. Location and block plans cost £39 and come free with every planning package.
Applications for conservation areas, Article 4 areas and listed houses, drawn to the council's validation checklist.
- Householder and full planning drawings
- Lawful Development Certificates for permitted development
- Prior approval applications
- Listed building consent applications
- Planning appeals after a refusal
- Retrospective applications for work already built
- Change of use applications
- Location and block plans for submission
A Georgian brick terrace in Bloomsbury iiBuilding regulations and structurefrom £295
Structural calculations start at £295. Building regulations drawings start at £845.
Technical drawings and calculations for building control to approve before the builder starts, coordinated with your structural engineer.
- Technical drawings for building control
- Structural calculations, including steel beams
- Construction details and build-ups
- Private building control, coordinated by us
- SAP and energy assessments, coordinated with an assessor
A drawing in progress iiiMansards, extensions and basementsfrom £495
Garden rooms start at £495. Rear extensions and loft conversions start at £695, mansard lofts at £845 and basements at £1,995.
New space for a period house, drawn against its roofline, the street scene and the neighbours' windows.
- Extensions to the rear and side, wraparound and double-storey
- Mansard, dormer, L-dormer, hip-to-gable and Velux lofts
- Basements and cellar conversions
- Garden rooms
Rear and garden extensions 
Terrace rooflines, where mansards are judged 
Lightwells and basements ivConversions and lease workfrom £695
Garage conversions start at £695.
A garage, a house or part of a house put to a new use, with the plans a lease or licence calls for.
- Garage conversion drawings
- Houses converted to flats
- HMO conversion drawings
- Plans for leases
- Licence to alter drawings
Victorian villas in Kensington vSurveys, plans and visualsfrom £200
Measured building surveys and floor plans start at £200.
A measured survey of the house as it stands, then plans, elevations, sections and 3D views that show the design before building.
- Measured surveys of the existing house
- Floor plans
- Elevations and sections
- New build drawings
- 3D visuals before construction
Survey notes on a floor plan viParty walls and second opinionsfrom £45
Party wall notices cost £45 for each adjoining owner. Independent drawing review starts at £300.
The notices your neighbours must receive, and an independent review of drawings you already hold.
- Party wall notices with drawings
- Independent review of drawings and specification
A cobbled mews in South Kensington
03The route to approval
Nine steps from heritage check to hand-over
Each step is recorded, and you approve the design in writing before anything reaches the council.
Redraws are free until approval. A second technologist checks every set, and never the person who drew it.
Ask for a fixed feeSee the full processConstraints check and fixed quote
Before quoting, we look up your address for conservation area, listed status, Article 4 directions, tree preservation orders, flood zone and planning history. We then pick the route and send a fixed fee.
Second-technologist check
A second chartered technologist reviews each sheet against the council's validation checklist and planning policy, and a senior review signs the set off before it is submitted.
Approval, then hand-over
Once building control approves, you receive a pack of next steps: the commencement notice, the timing of party wall notices and CIL.
04Instruments
Software behind the drawing set
A single Revit model of your house produces every plan, section and elevation, so the sheets cannot disagree.
| Tool | What it means for you |
|---|---|
| Autodesk Revit | We model the house once in 3D, and each plan, section and elevation is generated from that model. |
| pyRevit | In-house scripts create the sheets, title blocks and checks in the same order every time. |
| AutoCAD (DWG) | Engineers, builders and councils receive DWG files, the format they already work in. |
| Twinmotion and Enscape | 3D visuals let you see a proposed mansard, extension or basement before it is built. |
| IFC (open BIM) | Engineers and consultants can open the model in this open exchange format. |
| Planning Portal | Our route for online submission to every council. |
| SAP calculations | The energy calculations that building regulations require, coordinated with an assessor. |
05Plates
Sample sheets from our drawing sets
Four examples of the sheets we issue. Every caption begins with the words Sample drawing.
06Schedule of fees
What drawings for a period house cost
Every figure below is a starting price with VAT included. Once the constraints check is done, we confirm a fixed fee for your house. The council's application fee goes to the council, not to us.
Planning application
£745 to £1,495
Complete package planning, building regulations and structural calculations
£1,445 to £2,795
Starting fees for common projects
- Rear extension for a period house£695
- Loft conversion, Velux or dormer£695
- Side return extension£745
- Mansard roof drawings£845
- Technical drawings for building control£845
- Basement or cellar conversion£1,995
Prices include VAT. Application fees are paid directly to the council.
Ask for a fixed fee07Coverage
London's period neighbourhoods first, then every borough
Our drawing work covers every London borough (32, plus the City of London) and 17 councils just outside the capital, spread across Surrey, Kent, Essex, Hertfordshire, Buckinghamshire and Berkshire.
Where Georgian, Regency and Victorian London stands
In these neighbourhoods it is normal for a house to sit in a conservation area, to be listed, to have protected trees nearby or to fall under an Article 4 direction. Mansards and basements draw the same scrutiny. We check what applies to your street before we quote.
- Kensington, Chelsea, Holland Park, Notting HillKensington and Chelsea
- Belgravia, Mayfair, KnightsbridgeWestminster, Kensington and Chelsea
- St John's Wood, MaryleboneWestminster
- Hampstead, Highgate, Primrose Hill, Belsize ParkCamden, Haringey
- Fulham, Brook GreenHammersmith and Fulham
- Richmond, Barnes, Kew, TwickenhamRichmond upon Thames
- Islington, CanonburyIslington
- ChiswickHounslow
- DulwichSouthwark
- WimbledonMerton
See all 50 councils in a list
Beyond London we also draw in Elmbridge, Epsom and Ewell, Mole Valley, Reigate and Banstead, Spelthorne, Tandridge, Dartford, Sevenoaks, Brentwood, Epping Forest, Thurrock, Broxbourne, Hertsmere, Three Rivers, Welwyn Hatfield, Buckinghamshire, Slough.
08Undertakings
Why period-house owners instruct Property Architecture
Chartered and insured
Our technologists hold MCIAT chartered status, and the practice carries £2m of professional indemnity insurance. We are also LABC Partnered.
Heritage constraints first
Conservation area, listed status, Article 4 directions, trees, flood zone and planning history are all looked up before you receive a quote.
One set of drawings for every trade
Your builder, engineer and consultants can take DWG and IFC files straight from the Revit model, so each works from the same facts as the council.
A price you know in advance
Fees are published with VAT included and confirmed as a fixed figure for your house. The council's application fee is paid to the council.
A second pair of eyes
A second chartered technologist, never the person who drew the set, checks every sheet before anything goes to the council.
Redraws at no charge
When the council asks for changes, we redraw free of charge until approval. Drawings arrive about 7 days after the survey.
09Correspondence
Questions from owners of period and listed houses
Something missing? Phone 020 7864 7245 or tell us about your house.
All questionsWhat does a conservation area change for a rear extension on a period house?
In a conservation area, side extensions, cladding, dormers and rear extensions of more than one storey are not permitted development, so those projects need a planning application. A single-storey rear extension can still be permitted development within the usual size limits, unless an Article 4 direction removes that right. The council also expects new work to preserve or enhance the area's character, and most works to trees need six weeks' notice to the council. We check the designation before we quote.
When does a listed house need listed building consent for internal works?
Internal works that affect a listed building's character, such as removing a chimney breast, moving a historic wall or changing a staircase, need listed building consent. The listing protects the whole building, inside and out, whatever its grade, so plasterwork, panelling and fireplaces count too. Like-for-like repairs may not need consent, but ask the council first, because unauthorised works to a listed building are a criminal offence. We prepare the drawings for the consent application.
How does the fixed fee work, and what is not included?
Each fee is a fixed figure, VAT included, confirmed for your house after the constraints check; the council's own application fee is not included and is paid separately. Our published prices are starting figures, for example £745 for householder planning drawings and £1,995 for basement drawings. Packages combine services, from £645 for permitted development with a Lawful Development Certificate to £2,795 for a complete planning, building regulations and structural package.
How long do the drawings take after the survey?
Drawings take about 7 days after the measured survey. The council then sets its own timescale, and conservation officers are often consulted on period houses, so we cannot promise a decision date. Eight weeks is the usual statutory period for householder and listed building applications, and larger projects can take longer.
Your instructions
An asterisk marks each required field
Send us the address of your house.
We look up the conservation area, listing and Article 4 position, then reply with a fixed fee. A message before 3pm is answered the same working day.