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Mayfair House 11 12, Flat 6, Heene Terrace, Worthing, BN11 3NR

EPC B2 planning records
Property type
Mid terrace
Floor 03
Habitable rooms
3
From EPC
Floor area
83 m²
893 sq ft
Energy rating
B
Score 81
Tenure
Owner Occupied
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Overview

About Mayfair House 11 12

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

Mayfair House 11 12 is a mid-terrace house in Worthing (BN11 3NR). It has a recorded floor area of 83 m² (around 893 sq ft) and construction records dating it to before 1900. The latest certificate (March 2026) returns a B (score 81), comfortably above the UK average. The rating has held steady at B across 2 certificates since November 2013. Between certificates, wall efficiency dropped from Good to Poor and window efficiency dropped from Average to Poor. This certificate was lodged in the last six months, so the rating reflects current condition. At 83 m² this is the 2nd smallest of 9 units on EPC record in Mayfair House 11 12, where floor areas span 78–103 m². The building's EPC ratings span C to B, with this unit at the top.

On energy efficiency it sits in the top 10% of properties in this postcode. 2 planning records sit against the property, 2 approved, 0 refused. The record references listed-building consent, which constrain future alterations.

Before you decide

Everything you need to know about Mayfair House 11 12

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearby

Pick your report · from £14.99

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Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

Mayfair House 11 12 ranks among the most efficient homes in the postcode for energy use.

Current Certificate(1 of 2)
Mar 2026

EPC Rating

A
B
B81
C
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
1.4 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 20 March 2036

9 years remaining

Property Improvements

Changes detected from historical EPC data

Mar 2026from Nov 2013
Heating Controls
FullThermostat

Heating controls changed

Low Energy Lighting
75%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-era3rd Floor FlatEPC BPre-1919 buildSolid (non-cavity) walls

Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £885 · Includes VAT

Planning

Planning history

Applications and permits filed against Mayfair House 11 12, Flat 6, Heene Terrace, Worthing, BN11 3NR, sourced from the PlanIt planning register.

Mayfair House 11 12 has multiple listed-building consents on file — alterations need formal heritage approval.

2 applications on record at Mayfair House 11 12, Flat 6, Heene Terrace, Worthing, BN11 3NR

2decisions85documents7nearby
Flagged:Listed building
  1. Nov 2011
    ConversionFull
    Outcome in report

    Restoration and alteration to the former Mayfair Hotel to form 11 residential apartments.

    Listed
    Documents
    46 docs on file
    Reference
    AWDM/0509/11
    Full record in report
  2. More recent applications — locked
  3. HeritageDecision

Unlock Mayfair House 11 12, Flat 6, Heene Terrace, Worthing, BN11 3NR's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (2 on record)
  • All 2 applications on this property in full, plus 7 notable nearby
  • The 85 documents, officer reports & conditions
  • What the pattern means for extending or converting here
£14.99one-off · instant

One time fee only - money back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

Mayfair House 11 12 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£298,000

Modelled from EPC, postcode comparables.

See how we calculated this

No sales recorded with HM Land Registry

That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.

Median price across the last 5 sales in BN11 3NR: £405,000 (2025–2023).

On the street

Versus other Heene Terrace homes

Four headline reads against 54 similar flats on this street, drawn from the latest EPC and Land Registry data.

Mayfair House 11 12 outperforms the street on epc rating by a wide margin.

EPC Rating

81 (B)

Street avg 63 (D)

Strongly above

Floor Area

83 m²

Street avg 76 m²

On par

CO₂ Emissions

1.4 t/year

Street avg 3.4 t/year

Strongly above

Habitable Rooms

3 rooms

Street avg 3 rooms

On par
Before you decide

Everything you need to know about Mayfair House 11 12

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearby

Pick your report · from £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£302k

124a, Flat 1, Montague Street

BN11 3HG

Flat
£309k

118 120, Flat 1 3, Montague Street

BN11 3HG

Flat
£309k

118 120, Flat 3, Montague Street

BN11 3HG

Flat
£329k

10a, Basement Flat, Heene Terrace

BN11 3NR

Flat
£219k

14a, Flat 1, Montague Place

BN11 3BG

Flat
£213k

128a, Flat 3, Montague Street

BN11 3HG

Flat
£203k

124a, Flat 2, Montague Street

BN11 3HG

Flat
£202k

14a, Flat 2, Montague Place

BN11 3BG

Flat
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Worthing district page.
Full Worthing report

Reported crime in the wider district is trending notably upward year-on-year.

Crime

327/mo

Rising year-on-year across the wider district.

Nearest stop

0.1 km

Heene Terrace — bus stop.

Closest school

0.8 km

St Mary's Catholic Primary School. 20 schools nearby.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around BN11 3NR from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for BN11 3NR

Daytime· 07:00 – 23:00

49.8dB

Low
Night-time road noise heatmap for BN11 3NR

Night-time· 23:00 – 07:00

38.0dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about Mayfair House 11 12, Flat 6, Heene Terrace, Worthing, BN11 3NR. Each answer is also embedded as structured data for search engines.